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RedHat Linux
RedHat Linux
added 2026/04/22 7:48 a.m.6 views

freerdp: FreeRDP heap-buffer-overflow

A heap based buffer overflow has been discovered in FreeRDP. Prior to 3.20.1, a malicious RDP server can trigger a heap-buffer-overflow write in the FreeRDP client when processing Audio Input AUDIN format lists. audinprocessformats reuses callback-formatscount across multiple MSGSNDINFORMATS PDUs...

9.8CVSS6AI score0.00365EPSS
Exploits1References6
RedHat Linux
RedHat Linux
added 2026/04/22 7:48 a.m.4 views

freerdp: FreeRDP: Arbitrary code execution via crafted Remote Desktop Protocol (RDP) server messages

A flaw was found in FreeRDP, a free implementation of the Remote Desktop Protocol RDP. The gdisurfacebits function, which processes SURFACEBITSCOMMAND messages, does not properly validate image dimensions bmp.width and bmp.height provided by a malicious RDP server. This can lead to a heap buffer...

9.8CVSS6.2AI score0.00532EPSS
Exploits1References6
RedHat Linux
RedHat Linux
added 2026/04/22 7:48 a.m.4 views

freerdp: FreeRDP has a heap-use-after-free in video_timer

A use after free flaw has been discovered in FreeRDP. The videotimer can send client notifications after the control channel is closed, dereferencing a freed callback and triggering a use after free. A malicious server can trigger a client‑side heap use after free causing a crash DoS...

8.7CVSS5.7AI score0.00467EPSS
Exploits0References6
RedHat Linux
RedHat Linux
added 2026/04/22 7:48 a.m.2 views

freerdp: FreeRDP heap-use-after-free

A heap use after free flaw has been discovered in FreeRDP. A race in the serial channel IRP thread tracking allows a heap use‑after‑free when one thread removes an entry from serial-IrpThreads while another reads it...

8.1CVSS5.7AI score0.00286EPSS
Exploits1References6
RedHat Linux
RedHat Linux
added 2026/04/22 7:48 a.m.4 views

freerdp: FreeRDP has a heap-use-after-free in urb_bulk_transfer_cb

A heap buffer use after free has been discovered in FreeRDP. Asynchronous bulk transfer completions can use a freed channel callback after URBDRC channel close, leading to a use after free in urbwritecompletion...

8.7CVSS5.8AI score0.00467EPSS
Exploits0References6
RedHat Linux
RedHat Linux
added 2026/04/22 7:48 a.m.5 views

freerdp: FreeRDP has a NULL Pointer Dereference in rdp_write_logon_info_v2()

A null pointer dereference has been discovered in FreeRDP. A NULL pointer dereference vulnerability in rdpwritelogoninfov2 allows a malicious RDP server to crash FreeRDP proxy by sending a specially crafted LogonInfoV2 PDU with cbDomain=0 or cbUserName=0...

7.5CVSS5.7AI score0.00467EPSS
Exploits0References6
RedHat Linux
RedHat Linux
added 2026/04/22 7:39 a.m.4 views

thunderbird: firefox: Memory safety bugs fixed in Firefox ESR 115.34.1, Firefox ESR 140.9.1, Thunderbird ESR 140.9.1, Firefox 149.0.2 and Thunderbird 149.0.2

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Memory safety bugs present in Firefox ESR 115.34.0, Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. Some of these bugs showed evidence of...

9.8CVSS5.9AI score0.00337EPSS
Exploits0References6
RedHat Linux
RedHat Linux
added 2026/04/22 7:39 a.m.3 views

Important: Red Hat Security Advisory: thunderbird security update

An update for thunderbird is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability...

9.8CVSS6.7AI score0.01052EPSS
Exploits1References6
RedHat Linux
RedHat Linux
added 2026/04/22 7:39 a.m.4 views

libpng: libpng: Arbitrary code execution due to use-after-free vulnerability

A flaw was found in libpng, a library used for processing PNG Portable Network Graphics image files. This vulnerability arises from improper memory management where a heap-allocated buffer is aliased between internal data structures. When specific functions are called, a freed memory region can...

7.5CVSS6.9AI score0.01052EPSS
Exploits1References10
RedHat Linux
RedHat Linux
added 2026/04/22 7:39 a.m.5 views

firefox: thunderbird: Incorrect boundary conditions, integer overflow in the Graphics: Text component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Incorrect boundary conditions, integer overflow in the Graphics: Text component...

8.8CVSS5.8AI score0.00265EPSS
Exploits0References6
RedHat Linux
RedHat Linux
added 2026/04/22 7:39 a.m.5 views

thunderbird: firefox: Memory safety bugs fixed in Firefox ESR 140.9.1, Thunderbird ESR 140.9.1, Firefox 149.0.2 and Thunderbird 149.0.2

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Memory safety bugs present in Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. Some of these bugs showed evidence of memory corruption and w...

9.8CVSS5.9AI score0.00316EPSS
Exploits0References6
RedHat Linux
RedHat Linux
added 2026/04/22 7:39 a.m.2 views

libpng: libpng: Information disclosure and denial of service via out-of-bounds read/write in Neon palette expansion

A flaw was found in libpng. A remote attacker could exploit an out-of-bounds read and write vulnerability in the ARM/AArch64 Neon-optimized palette expansion path. This occurs when processing a final partial chunk of 8-bit paletted rows without verifying sufficient input pixels, leading to...

7.6CVSS6.4AI score0.00585EPSS
Exploits0References7
RedHat Linux
RedHat Linux
added 2026/04/22 7:19 a.m.8 views

Important: Red Hat Security Advisory: OpenShift Container Platform 4.18.38 security and extras update

Red Hat OpenShift Container Platform release 4.18.38 is now available with updates to packages and images that fix several bugs. This release includes a security update for Red Hat OpenShift Container Platform 4.18. Red Hat Product Security has rated this update as having a security impact of...

9.1CVSS7.1AI score0.00522EPSS
Exploits1References2
RedHat Linux
RedHat Linux
added 2026/04/22 7:12 a.m.3 views

Important: Red Hat Security Advisory: python3 security update

An update for python3 is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerabili...

7CVSS5.8AI score0.00216EPSS
Exploits0References2
RedHat Linux
RedHat Linux
added 2026/04/22 7:12 a.m.3 views

python: Python: Command-line option injection in webbrowser.open() via crafted URLs

A flaw was found in Python. The webbrowser.open API, used to launch web browsers, does not properly sanitize input. This allows a remote attacker to craft a malicious URL containing leading dashes. When such a URL is opened, certain web browsers may interpret these dashes as command-line options,...

7CVSS6AI score0.00216EPSS
Exploits0References7
RedHat Linux
RedHat Linux
added 2026/04/22 7:9 a.m.4 views

python: Python: Command-line option injection in webbrowser.open() via crafted URLs

A flaw was found in Python. The webbrowser.open API, used to launch web browsers, does not properly sanitize input. This allows a remote attacker to craft a malicious URL containing leading dashes. When such a URL is opened, certain web browsers may interpret these dashes as command-line options,...

7CVSS6AI score0.00216EPSS
Exploits0References7
RedHat Linux
RedHat Linux
added 2026/04/22 7:9 a.m.24 views

Important: Red Hat Security Advisory: python security update

An update for python is now available for Red Hat Enterprise Linux 7 Extended Lifecycle Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

7CVSS5.8AI score0.00216EPSS
Exploits0References2
RedHat Linux
RedHat Linux
added 2026/04/22 7:1 a.m.5 views

Important: Red Hat Security Advisory: perl-XML-Parser security update

An update for perl-XML-Parser is now available for Red Hat Enterprise Linux 9.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

9.8CVSS5.7AI score0.00604EPSS
Exploits0References3
RedHat Linux
RedHat Linux
added 2026/04/22 7:1 a.m.5 views

perl-xml-parser: XML::Parser for Perl: Heap corruption and denial of service from crafted XML input

A flaw was found in XML::Parser for Perl. This vulnerability allows an attacker to cause a heap corruption, which can lead to a denial of service DoS by crashing the application. The issue occurs when the software processes specially crafted XML input, causing an internal buffer to overflow. This...

9.8CVSS6AI score0.00604EPSS
Exploits0References7
RedHat Linux
RedHat Linux
added 2026/04/22 7:1 a.m.5 views

perl-xml-parser: XML::Parser: Memory corruption via deeply nested XML files

A flaw was found in XML::Parser, a Perl module for parsing XML. This vulnerability, an off-by-one heap buffer overflow, occurs when processing an XML file with very deep element nesting. A remote attacker could exploit this by providing a specially crafted XML file, potentially leading to memory...

9.8CVSS5.9AI score0.00512EPSS
Exploits0References7
RedHat Linux
RedHat Linux
added 2026/04/22 6:59 a.m.6 views

Important: Red Hat Security Advisory: OpenShift Container Platform 4.20.19 security and extras update

Red Hat OpenShift Container Platform release 4.20.19 is now available with updates to packages and images that fix several bugs. This release includes a security update for Red Hat OpenShift Container Platform 4.20. Red Hat Product Security has rated this update as having a security impact of...

7.5CVSS6.8AI score0.00789EPSS
Exploits0References2
RedHat Linux
RedHat Linux
added 2026/04/22 6:9 a.m.2 views

python: Python: Command-line option injection in webbrowser.open() via crafted URLs

A flaw was found in Python. The webbrowser.open API, used to launch web browsers, does not properly sanitize input. This allows a remote attacker to craft a malicious URL containing leading dashes. When such a URL is opened, certain web browsers may interpret these dashes as command-line options,...

7CVSS6AI score0.00216EPSS
Exploits0References7
RedHat Linux
RedHat Linux
added 2026/04/22 6:9 a.m.6 views

Important: Red Hat Security Advisory: python3.11 security update

An update for python3.11 is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring...

7CVSS5.8AI score0.00216EPSS
Exploits0References2
RedHat Linux
RedHat Linux
added 2026/04/22 6:2 a.m.6 views

Important: Red Hat Security Advisory: libarchive security update

An update for libarchive is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Important. A Common...

9.8CVSS6.2AI score0.01073EPSS
Exploits0References3
RedHat Linux
RedHat Linux
added 2026/04/22 6:2 a.m.6 views

libarchive: libarchive: Information disclosure via heap out-of-bounds read in RAR archive processing

A flaw was found in libarchive. This heap out-of-bounds read vulnerability exists in the RAR archive processing logic due to improper validation of the LZSS sliding window size after transitions between compression methods. A remote attacker can exploit this by providing a specially crafted RAR...

7.5CVSS5.8AI score0.00882EPSS
Exploits0References5
RedHat Linux
RedHat Linux
added 2026/04/22 6:2 a.m.25 views

libarchive: libarchive: Arbitrary code execution via integer overflow in ISO9660 image processing

A flaw was found in libarchive. On 32-bit systems, an integer overflow vulnerability exists in the zisofs block pointer allocation logic. A remote attacker can exploit this by providing a specially crafted ISO9660 image, which can lead to a heap buffer overflow. This could potentially allow for...

9.8CVSS6.7AI score0.01073EPSS
Exploits0References6
RedHat Linux
RedHat Linux
added 2026/04/22 12:32 a.m.5 views

kernel: kernel: Privilege escalation or denial of service via use-after-free in nf_tables_addchain()

A flaw was found in the Linux kernel. A local attacker with CAPNETADMIN capabilities, or remote packet traffic, could exploit a use-after-free vulnerability in the nftablesaddchain function's error handling. Successful exploitation could lead to a kernel crash, resulting in a Denial of Service Do...

7.8CVSS5.7AI score0.00626EPSS
Exploits1References5
RedHat Linux
RedHat Linux
added 2026/04/22 12:32 a.m.7 views

kernel: smc: Fix use-after-free in __pnet_find_base_ndev()

In the Linux kernel, the following vulnerability has been resolved: smc: Fix use-after-free in pnetfindbasendev. syzbot reported use-after-free of netdevice in pnetfindbasendev, which was called during connect. 0 smcpnetfindismresource fetches skdstgetsk-dev and passes down to pnetfindbasendev,...

5.6AI score0.00154EPSS
Exploits0References5
RedHat Linux
RedHat Linux
added 2026/04/22 12:32 a.m.12 views

kernel: net/sched: cls_u32: use skb_header_pointer_careful()

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsu32: use skbheaderpointercareful skbheaderpointer does not fully validate negative @offset values. Use skbheaderpointercareful instead. GangMin Kim provided a report and a repro fooling u32classify: BUG: KASAN:...

7.1CVSS5.6AI score0.00117EPSS
Exploits0References5
RedHat Linux
RedHat Linux
added 2026/04/22 12:32 a.m.54 views

Moderate: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions, and Red Hat Enterprise Linux 8.6 Telecommunications Update Service. Red Hat Product Security has rated this update as...

7.8CVSS5.7AI score0.00626EPSS
Exploits1References5
RedHat Linux
RedHat Linux
added 2026/04/22 12:32 a.m.4 views

kernel: smc: Use __sk_dst_get() and dst_dev_rcu() in smc_clc_prfx_match()

A flaw was found in the Linux kernel’s SMC Shared Memory Communication module: in smcclcprfxmatch, the function is called from smclistenwork without proper RCU or RTNL protection. The code previously used skdstgetsk-dev, which can lead to a use-after-free UAF condition if the sk’s destination is...

5.8AI score0.0015EPSS
Exploits0References5
RedHat Linux
RedHat Linux
added 2026/04/22 12:25 a.m.6 views

kernel: net/sched: cls_u32: use skb_header_pointer_careful()

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsu32: use skbheaderpointercareful skbheaderpointer does not fully validate negative @offset values. Use skbheaderpointercareful instead. GangMin Kim provided a report and a repro fooling u32classify: BUG: KASAN:...

7.1CVSS5.6AI score0.00117EPSS
Exploits0References5
RedHat Linux
RedHat Linux
added 2026/04/22 12:25 a.m.6 views

Moderate: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring Syste...

7.8CVSS5.7AI score0.00626EPSS
Exploits1References3
RedHat Linux
RedHat Linux
added 2026/04/22 12:25 a.m.8 views

kernel: kernel: Privilege escalation or denial of service via use-after-free in nf_tables_addchain()

A flaw was found in the Linux kernel. A local attacker with CAPNETADMIN capabilities, or remote packet traffic, could exploit a use-after-free vulnerability in the nftablesaddchain function's error handling. Successful exploitation could lead to a kernel crash, resulting in a Denial of Service Do...

7.8CVSS5.8AI score0.00626EPSS
Exploits1References5
RedHat Linux
RedHat Linux
added 2026/04/22 12:15 a.m.5 views

kernel: Linux kernel: Denial of Service via unsafe requeue in rxrpc_recvmsg

A flaw was found in the Linux kernel. A local unprivileged process can exploit an unsafe requeue path in the rxrpcrecvmsg function by using AFRXRPC sockets with MSGDONTWAIT and MSGPEEK flags. This improper handling of the receive message queue can lead to memory corruption, such as Use-After-Free...

7.8CVSS5.8AI score0.00129EPSS
Exploits0References5
RedHat Linux
RedHat Linux
added 2026/04/22 12:15 a.m.4 views

kernel: Bluetooth: MGMT: Fix possible UAFs

A flaw was found in the Linux kernel’s Bluetooth management subsystem net/bluetooth/mgmt.c. The mgmtpending structure may be freed while still being processed, or remain on the pending command list, which allows a use-after-free or double-free scenario. An attacker with local access to the system...

5.7AI score0.00183EPSS
Exploits0References5
RedHat Linux
RedHat Linux
added 2026/04/22 12:15 a.m.7 views

kernel: Linux kernel:A use-after-free in bridge multicast in br_multicast_port_ctx_init

A flaw was found in the Linux kernel's bridge multicast functionality. A local user could trigger a use-after-free vulnerability, a type of memory corruption, by improperly configuring network bridge router ports. This issue arises because the system fails to correctly remove ports from its...

7.8CVSS5.7AI score0.00248EPSS
Exploits1References5
RedHat Linux
RedHat Linux
added 2026/04/22 12:15 a.m.5 views

kernel: net/sched: cls_u32: use skb_header_pointer_careful()

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsu32: use skbheaderpointercareful skbheaderpointer does not fully validate negative @offset values. Use skbheaderpointercareful instead. GangMin Kim provided a report and a repro fooling u32classify: BUG: KASAN:...

7.1CVSS5.6AI score0.00117EPSS
Exploits0References5
RedHat Linux
RedHat Linux
added 2026/04/22 12:15 a.m.5 views

kernel: mlxsw: spectrum_mr: Fix use-after-free when updating multicast route stats

In the Linux kernel, the following vulnerability has been resolved: mlxsw: spectrummr: Fix use-after-free when updating multicast route stats Cited commit added a dedicated mutex instead of RTNL to protect the multicast route list, so that it will not change while the driver periodically traverse...

5.7AI score0.00173EPSS
Exploits0References5
RedHat Linux
RedHat Linux
added 2026/04/22 12:15 a.m.5 views

kernel: Linux kernel: Use-after-free in bonding module can cause system crash or arbitrary code execution

A flaw was found in the Linux kernel's bonding module. This use-after-free vulnerability occurs when a new slave device is added to the bonding array but fails during the enslave process. A local attacker can exploit this by triggering the enslave failure, which may lead to a system crash,...

7.8CVSS6AI score0.00117EPSS
Exploits0References5
RedHat Linux
RedHat Linux
added 2026/04/22 12:15 a.m.6 views

kernel: Linux kernel: Local denial of service and memory leak in DAMON sysfs via setup failure

A flaw was found in the Linux kernel's Data Access MONitor DAMON sysfs interface. A local attacker, typically a privileged user, could exploit a cleanup bug during DAMON context setup. If the setup fails after the attrs directory is created, stale sysfs directories are left behind. This can lead ...

5.5CVSS5.7AI score0.00122EPSS
Exploits0References5
RedHat Linux
RedHat Linux
added 2026/04/22 12:15 a.m.8 views

kernel: kernel: Privilege escalation or denial of service via use-after-free in nf_tables_addchain()

A flaw was found in the Linux kernel. A local attacker with CAPNETADMIN capabilities, or remote packet traffic, could exploit a use-after-free vulnerability in the nftablesaddchain function's error handling. Successful exploitation could lead to a kernel crash, resulting in a Denial of Service Do...

7.8CVSS5.8AI score0.00626EPSS
Exploits1References5
RedHat Linux
RedHat Linux
added 2026/04/22 12:15 a.m.6 views

kernel: macvlan: fix error recovery in macvlan_common_newlink()

A use-after-free vulnerability was found in the macvlan driver. When creating a macvlan interface in source mode fails after the source MAC has been added to the hash table e.g., due to an invalid interface name, the hash entry still references the freed netdevice structure. Subsequent packets...

7.8CVSS5.6AI score0.00119EPSS
Exploits0References5
RedHat Linux
RedHat Linux
added 2026/04/22 12:15 a.m.7 views

Moderate: Red Hat Security Advisory: kernel-rt security update

An update for kernel-rt is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

7.8CVSS6.4AI score0.00626EPSS
Exploits2References10
RedHat Linux
RedHat Linux
added 2026/04/22 12:13 a.m.5 views

kernel: smc: Fix use-after-free in __pnet_find_base_ndev()

In the Linux kernel, the following vulnerability has been resolved: smc: Fix use-after-free in pnetfindbasendev. syzbot reported use-after-free of netdevice in pnetfindbasendev, which was called during connect. 0 smcpnetfindismresource fetches skdstgetsk-dev and passes down to pnetfindbasendev,...

5.6AI score0.00154EPSS
Exploits0References5
RedHat Linux
RedHat Linux
added 2026/04/22 12:13 a.m.4 views

kernel: smc: Use __sk_dst_get() and dst_dev_rcu() in smc_clc_prfx_match()

A flaw was found in the Linux kernel’s SMC Shared Memory Communication module: in smcclcprfxmatch, the function is called from smclistenwork without proper RCU or RTNL protection. The code previously used skdstgetsk-dev, which can lead to a use-after-free UAF condition if the sk’s destination is...

5.8AI score0.0015EPSS
Exploits0References5
RedHat Linux
RedHat Linux
added 2026/04/22 12:13 a.m.4 views

kernel: kernel: Privilege escalation or denial of service via use-after-free in nf_tables_addchain()

A flaw was found in the Linux kernel. A local attacker with CAPNETADMIN capabilities, or remote packet traffic, could exploit a use-after-free vulnerability in the nftablesaddchain function's error handling. Successful exploitation could lead to a kernel crash, resulting in a Denial of Service Do...

7.8CVSS5.8AI score0.00626EPSS
Exploits1References5
RedHat Linux
RedHat Linux
added 2026/04/22 12:13 a.m.7 views

kernel: net/sched: cls_u32: use skb_header_pointer_careful()

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsu32: use skbheaderpointercareful skbheaderpointer does not fully validate negative @offset values. Use skbheaderpointercareful instead. GangMin Kim provided a report and a repro fooling u32classify: BUG: KASAN:...

7.1CVSS5.6AI score0.00117EPSS
Exploits0References5
RedHat Linux
RedHat Linux
added 2026/04/22 12:13 a.m.14 views

Moderate: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 8.2 Advanced Update Support. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

7.8CVSS5.7AI score0.00626EPSS
Exploits1References5
RedHat Linux
RedHat Linux
added 2026/04/21 7:5 p.m.4 views

GStreamer: GStreamer: Remote Code Execution via Out-Of-Bounds Write in rtpqdm2depay

A flaw was found in GStreamer. This out-of-bounds write vulnerability exists within the rtpqdm2depay element, specifically during the processing of X-QDM Real-time Transport Protocol RTP payload elements. A remote attacker can exploit this by providing malformed user-supplied data to the packetid...

8.8CVSS6.3AI score0.00566EPSS
Exploits0References6
Total number of security vulnerabilities113058