USN-6436-1: FRR vulnerabilities

It was discovered that the FRR did not properly check the attribute length in NRLI. A remote attacker could possibly use this issue to cause a denial of service. CVE-2023-41358 It was discovered that the FRR did not properly manage memory when reading initial bytes of ORF header. A remote attacke...

USN-6434-1: PMIx vulnerability

Francois Diakhate discovered that PMIx did not properly handle race conditions in the pmix library, which could lead to unwanted privilege escalation. An attacker could possibly use this issue to obtain ownership of an arbitrary file on the filesystem, under the default configuration of the...

USN-6396-3: Linux kernel (Azure) vulnerabilities

It was discovered that some AMD x86-64 processors with SMT enabled could speculatively execute instructions using a return address from a sibling thread. A local attacker could possibly use this to expose sensitive information. CVE-2022-27672 Daniel Moghimi discovered that some IntelR Processors...

USN-6433-1: Ghostscript vulnerability

It was discovered that Ghostscript incorrectly handled certain PDF documents. If a user or automated system were tricked into opening a specially crafted PDF file, a remote attacker could use this issue to execute arbitrary code...

USN-6425-3: Samba vulnerabilities

USN-6425-1 fixed vulnerabilities in Samba. This update provides the corresponding updates for Ubuntu 23.10. Original advisory details: Sri Nagasubramanian discovered that the Samba aclxattr VFS module incorrectly handled read-only files. When Samba is configured to ignore system ACLs, a remote...

USN-6423-2: CUE vulnerability

USN-6423-1 fixed a vulnerability in CUE. This update provides the corresponding updates for Ubuntu 23.10. Original advisory details: It was discovered that CUE incorrectly handled certain files. An attacker could possibly use this issue to expose sensitive information or execute arbitrary code...

USN-6394-2: Python vulnerability

USN-6394-1 fixed a vulnerability in Python. This update provides the corresponding update for Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. Original advisory details: It was discovered that Python incorrectly handled certain scripts. An attacker could possibly use this issue to execute...

USN-6429-3: curl vulnerabilities

USN-6429-1 fixed vulnerabilities in curl. This update provides the corresponding updates for Ubuntu 23.10. Original advisory details: Jay Satiro discovered that curl incorrectly handled hostnames when using a SOCKS5 proxy. In environments where curl is configured to use a SOCKS5 proxy, a remote...

USN-6432-1: Quagga vulnerabilities

It was discovered that the Quagga BGP daemon did not properly check the attribute length in NRLI. A remote attacker could possibly use this issue to cause a denial of service. CVE-2023-41358 It was discovered that the Quagga BGP daemon did not properly manage memory when reading initial bytes of...

USN-6431-3: iperf3 vulnerability

USN-6431-1 fixed a vulnerability in iperf3. This update provides the corresponding update for Ubuntu 22.04 LTS. Original advisory details: Jorge Sancho Larraz discovered that iperf3 did not properly manage certain inputs, which could cause the server process to stop responding, waiting for input ...

USN-6431-2: iperf3 vulnerability

USN-6431-1 fixed a vulnerability in iperf3. This update provides the corresponding update for Ubuntu 22.04 LTS and Ubuntu 23.04. Original advisory details: It was discovered that iperf3 did not properly manage certain inputs, which could lead to a crash. A remote attacker could possibly use this...

USN-6431-1: iperf3 vulnerabilities

It was discovered that iperf3 did not properly manage certain inputs, which could lead to a crash. A remote attacker could possibly use this issue to cause a denial of service. CVE-2023-38403 Jorge Sancho Larraz discovered that iperf3 did not properly manage certain inputs, which could cause the...

USN-6430-1: FFmpeg vulnerabilities

It was discovered that FFmpeg did not properly handle certain inputs in vflagfun.c, resulting in a buffer overflow vulnerability. An attacker could possibly use this issue to cause a denial of service via application crash. This issue only affected Ubuntu 20.04 LTS. CVE-2020-22024 It was discover...

USN-6425-2: Samba regression

USN-6425-1 fixed vulnerabilities in Samba. Due to a build issue on Ubuntu 20.04 LTS, the update introduced regressions in macro handling and possibly other functionality. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Sri Nagasubramanian discovered...

USN-6429-2: curl vulnerability

USN-6429-1 fixed a vulnerability in curl. This update provides the corresponding update for Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. Original advisory details: It was discovered that curl incorrectly handled cookies when an application duplicated certain handles. A local attacker...

USN-6429-1: curl vulnerabilities

Jay Satiro discovered that curl incorrectly handled hostnames when using a SOCKS5 proxy. In environments where curl is configured to use a SOCKS5 proxy, a remote attacker could possibly use this issue to execute arbitrary code. This issue only affected Ubuntu 22.04 LTS, and Ubuntu 23.04...

USN-6428-1: LibTIFF vulnerability

It was discovered that LibTIFF could be made to read out of bounds when processing certain malformed image files with the tiffcrop utility. If a user were tricked into opening a specially crafted image file, an attacker could possibly use this issue to cause tiffcrop to crash, resulting in a deni...

USN-6404-2: Firefox regressions

USN-6404-1 fixed vulnerabilities in Firefox. The update introduced several minor regressions. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Multiple security issues were discovered in Firefox. If a user were tricked into opening a specially crafted...

USN-6427-1: .NET vulnerability

It was discovered that the .NET Kestrel web server did not properly handle HTTP/2 requests. A remote attacker could possibly use this issue to cause a denial of service...

USN-6426-1: WebKitGTK vulnerabilities

Several security issues were discovered in the WebKitGTK Web and JavaScript engines. If a user were tricked into viewing a malicious website, a remote attacker could exploit a variety of issues related to web browser security, including cross-site scripting attacks, denial of service attacks, and...

USN-6425-1: Samba vulnerabilities

Sri Nagasubramanian discovered that the Samba aclxattr VFS module incorrectly handled read-only files. When Samba is configured to ignore system ACLs, a remote attacker could possibly use this issue to truncate read-only files. CVE-2023-4091 Andrew Bartlett discovered that Samba incorrectly handl...

USN-6407-2: libx11 vulnerabilities

USN-6407-1 fixed several vulnerabilities in libx11. This update provides the corresponding update for Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. Original advisory details: Gregory James Duck discovered that libx11 incorrectly handled certain keyboard symbols. If a user were tricked...

LSN-0098-1: Kernel Live Patch Security Notice

It was discovered that the IP-VLAN network driver for the Linux kernel did not properly initialize memory in some situations, leading to an out-of- bounds write vulnerability. An attacker could use this to cause a denial of service system crash or possibly execute arbitrary code.CVE-2023-3090 It...

USN-6424-1: kramdown vulnerability

It was discovered that kramdown did not restrict Rouge formatters to the correct namespace. An attacker could use this issue to cause kramdown to execute arbitrary code...

USN-6423-1: CUE vulnerability

It was discovered that CUE incorrectly handled certain files. An attacker could possibly use this issue to expose sensitive information or execute arbitrary code...

USN-6422-1: Ring vulnerabilities

It was discovered that Ring incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to execute arbitrary code. CVE-2021-37706 It was discovered that Ring incorrectly handled...

USN-6421-1: Bind vulnerability

It was discovered that Bind incorrectly handled certain control channel messages. A remote attacker with access to the control channel could possibly use this issue to cause Bind to crash, resulting in a denial of service...

USN-6420-1: Vim vulnerabilities

It was discovered that Vim incorrectly handled memory when opening certain files. If an attacker could trick a user into opening a specially crafted file, it could cause Vim to crash, or possibly execute arbitrary code. This issue only affected Ubuntu 22.04 LTS. CVE-2022-3235, CVE-2022-3278,...

USN-6416-2: Linux kernel vulnerabilities

It was discovered that the IPv6 implementation in the Linux kernel contained a high rate of hash collisions in connection lookup table. A remote attacker could use this to cause a denial of service excessive CPU consumption. CVE-2023-1206 Daniël Trujillo, Johannes Wikner, and Kaveh Razavi...

USN-6412-1: Linux kernel vulnerabilities

Hyunwoo Kim discovered that the DVB Core driver in the Linux kernel contained a race condition during device removal, leading to a use-after- free vulnerability. A physically proximate attacker could use this to cause a denial of service system crash or possibly execute arbitrary code...

USN-6396-2: Linux kernel (KVM) vulnerabilities

It was discovered that some AMD x86-64 processors with SMT enabled could speculatively execute instructions using a return address from a sibling thread. A local attacker could possibly use this to expose sensitive information. CVE-2022-27672 Daniel Moghimi discovered that some IntelR Processors...

USN-6419-1: jQuery UI vulnerabilities

Hong Phat Ly discovered that jQuery UI did not properly manage parameters from untrusted sources, which could lead to arbitrary web script or HTML code injection. A remote attacker could possibly use this issue to perform a cross-site scripting XSS attack. This issue only affected Ubuntu 14.04 LT...

USN-6418-1: Node.js vulnerabilities

It was discovered that Node.js incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to cause a denial of service. This issue was only fixed in Ubuntu 20.04 LTS. CVE-2021-22883...

USN-6417-1: Linux kernel vulnerabilities

It was discovered that the eBPF implementation in the Linux kernel contained a race condition around read-only maps. A privileged attacker could use this to modify read-only maps. CVE-2021-4001 It was discovered that the IPv6 implementation in the Linux kernel contained a high rate of hash...

USN-6416-1: Linux kernel vulnerabilities

It was discovered that the IPv6 implementation in the Linux kernel contained a high rate of hash collisions in connection lookup table. A remote attacker could use this to cause a denial of service excessive CPU consumption. CVE-2023-1206 Daniel Trujillo, Johannes Wikner, and Kaveh Razavi...

USN-6414-2: Django vulnerabilities

USN-6414-1 and USN-6378-1 fixed CVE-2023-43665 and CVE-2023-41164 in Django, respectively. This update provides the corresponding update for Ubuntu 18.04 LTS. Original advisory details: Wenchao Li discovered that the Django Truncator function incorrectly handled very long HTML input. A remote...

USN-6415-1: Linux kernel (OEM) vulnerabilities

Daniel Trujillo, Johannes Wikner, and Kaveh Razavi discovered that some AMD processors utilising speculative execution and branch prediction may allow unauthorised memory reads via a speculative side-channel attack. A local attacker could use this to expose sensitive information, including kernel...

USN-6413-1: GNU binutils vulnerabilities

It was discovered that GNU binutils was not properly performing checks when dealing with memory allocation operations, which could lead to excessive memory consumption. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 14.04 LTS. CVE-2017-1712...

USN-6414-1: Django vulnerability

Wenchao Li discovered that the Django Truncator function incorrectly handled very long HTML input. A remote attacker could possibly use this issue to cause Django to consume resources, leading to a denial of service...

USN-6411-1: Exim vulnerabilities

It was discovered that Exim incorrectly handled certain challenge requests. A remote attacker could possibly use this issue to perform out-of-bounds reads, resulting in information leakage. CVE-2023-42114 It was discovered that Exim incorrectly handled validation of user-supplied data. A remote...

USN-6401-1: FreeRDP vulnerabilities

It was discovered that FreeRDP did not properly manage certain inputs. A malicious server could use this issue to cause FreeRDP clients to crash, resulting in a denial of service, or possibly obtain sensitive information. CVE-2023-39350, CVE-2023-39351, CVE-2023-39353, CVE-2023-39354,...

USN-6410-1: GRUB2 vulnerabilities

It was discovered that a specially crafted file system image could cause a heap-based out-of-bounds write. A local attacker could potentially use this to perform arbitrary code execution bypass and bypass secure boot protections. CVE-2023-4692 It was discovered that a specially crafted file syste...

USN-6386-3: Linux kernel vulnerabilities

Jana Hofmann, Emanuele Vannacci, Cedric Fournet, Boris Kopf, and Oleksii Oleksenko discovered that some AMD processors could leak stale data from division operations in certain situations. A local attacker could possibly use this to expose sensitive information. CVE-2023-20588 It was discovered...

USN-6409-1: GNU C Library vulnerabilities

It was discovered that the GNU C Library incorrectly handled the GLIBCTUNABLES environment variable. An attacker could possibly use this issue to perform a privilege escalation attack. CVE-2023-4911 It was discovered that the GNU C Library incorrectly handled certain DNS responses when the system...

USN-6408-1: libXpm vulnerabilities

Yair Mizrahi discovered that libXpm incorrectly handled certain malformed XPM image files. If a user were tricked into opening a specially crafted XPM image file, a remote attacker could possibly use this issue to consume memory, leading to a denial of service. CVE-2023-43786 Yair Mizrahi...

USN-6407-1: libx11 vulnerabilities

Gregory James Duck discovered that libx11 incorrectly handled certain keyboard symbols. If a user were tricked into connecting to a malicious X server, a remote attacker could use this issue to cause libx11 to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-6406-1: SpiderMonkey vulnerabilities

Several security issues were discovered in the SpiderMonkey JavaScript library. If a user were tricked into opening malicious JavaScript applications or processing malformed data, a remote attacker could exploit a variety of issues related to JavaScript security, including denial of service...

USN-6405-1: Thunderbird vulnerabilities

Multiple security issues were discovered in Thunderbird. If a user were tricked into opening a specially crafted website in a browsing context, an attacker could potentially exploit these to cause a denial of service, obtain sensitive information, bypass security restrictions, cross-site tracing,...

USN-6404-1: Firefox vulnerabilities

Multiple security issues were discovered in Firefox. If a user were tricked into opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, obtain sensitive information across domains, or execute arbitrary code. CVE-2023-5169, CVE-2023-5170,...

USN-6403-1: libvpx vulnerabilities

It was discovered that libvpx did not properly handle certain malformed media files. If an application using libvpx opened a specially crafted file, a remote attacker could cause a denial of service, or possibly execute arbitrary code...