Important: Red Hat Security Advisory: thunderbird security update

An update for thunderbird 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 ...

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...

kernel: netfilter: nf_conncount: update last_gc only when GC has been performed

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconncount: update lastgc only when GC has been performed Currently lastgc is being updated everytime a new connection is tracked, that means that it is updated even if a GC wasn't performed. With a sufficiently high...

kernel: Linux kernel KVM: Privilege escalation or denial of service due to improper shadow page table entry handling

A flaw was found in the Linux kernel's Kernel-based Virtual Machine KVM component. A local attacker with privileges on the host system could exploit a vulnerability in how KVM handles shadow page table entries SPTEs during memory-mapped I/O MMIO operations. By manipulating guest page table entrie...

kernel: Linux kernel: Denial of service and memory corruption in RDMA umad

A flaw was found in the Linux kernel's Remote Direct Memory Access RDMA umad User Mode Access Device component. A local user can exploit this vulnerability by manipulating input, causing an integer underflow that leads to an out-of-bounds memory write. This memory corruption can result in a denia...

kernel: nfsd: fix heap overflow in NFSv4.0 LOCK replay cache

A flaw was found in the Linux kernel's NFSv4.0 server nfsd. A remote, unauthenticated attacker can exploit this heap overflow vulnerability in the NFSv4.0 LOCK replay cache. By using two cooperating NFSv4.0 clients, where one sets a lock with a large owner string and another requests a conflictin...

kernel: Linux kernel: Denial of Service due to a deadlock in hugetlb folio migration

A flaw was found in the Linux kernel. A local attacker could exploit a deadlock vulnerability due to incorrect lock ordering between foliolock and immaprwsem when migrating hugetlb file-backed folios. This could lead to hung tasks and potential system-wide stalls, resulting in a Denial of Service...

kernel: can: raw: fix ro->uniq use-after-free in raw_rcv()

A flaw was found in the Linux kernel's Controller Area Network CAN raw socket implementation. A use-after-free vulnerability can occur due to a timing window during the unregistration of CAN receive filters, allowing a freed memory region to be accessed. This could lead to system instability or a...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 10.0 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 available for...

Low: Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

An update for Red Hat Hardened Images RPMs is now available. This update includes the following RPMs: trivy: trivy-0.69.3-1.2.hum1 aarch64, x8664 trivy-0.69.3-1.2.hum1.src src...

Low: Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

An update for Red Hat Hardened Images RPMs is now available. This update includes the following RPMs: podman: podman-5.8.2-1.1.hum1 aarch64, x8664 podman-docker-5.8.2-1.1.hum1 noarch podman-machine-5.8.2-1.1.hum1 aarch64, x8664 podman-remote-5.8.2-1.1.hum1 aarch64, x8664 podman-tests-5.8.2-1.1.hu...

Moderate: Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

An update for Red Hat Hardened Images RPMs is now available. This update includes the following RPMs: go-fdo-server: go-fdo-server-1.0.1-0.2.hum1 aarch64, x8664 go-fdo-server-manufacturer-1.0.1-0.2.hum1 noarch go-fdo-server-owner-1.0.1-0.2.hum1 noarch go-fdo-server-rendezvous-1.0.1-0.2.hum1 noarc...

Moderate: Red Hat Security Advisory: OpenShift Container Platform 4.12.88 packages and security update

Red Hat OpenShift Container Platform release 4.12.88 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.12. Red Hat Product Security has rated this update as having a...

github.com/sirupsen/logrus: github.com/sirupsen/logrus: Denial-of-Service due to large single-line payload

A denial-of-service vulnerability in github.com/sirupsen/logrus occurs when Entry.Writer processes a single-line payload larger than 64KB with no newline characters. Due to a limitation in Go’s internal bufio.Scanner, the read operation fails with a “token too long” error, causing the underlying...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.12.88 bug fix and security update

Red Hat OpenShift Container Platform release 4.12.88 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.12. Red Hat Product Security has rated this update as having a...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.12.89 bug fix and security update

Red Hat OpenShift Container Platform release 4.12.89 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.12. Red Hat Product Security has rated this update as having a...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.12.89 bug fix and security update

Red Hat OpenShift Container Platform release 4.12.89 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.12. Red Hat Product Security has rated this update as having a...

Important: Red Hat Security Advisory: A Subscription Management tool for finding and reporting Red Hat product usage

A Subscription Management tool for finding and reporting Red Hat product usage Red Hat Discovery, also known as Discovery, is an inspection and reporting tool that finds, identifies, and reports environment data, or facts, such as the number of physical and virtual systems on a network, their...

libtiff: libtiff: Arbitrary code execution or denial of service via signed integer overflow in TIFF file processing

A flaw was found in the libtiff library. A remote attacker could exploit a signed integer overflow vulnerability in the putcontig8bitYCbCr44tile function by providing a specially crafted TIFF file. This flaw can lead to an out-of-bounds heap write due to incorrect memory pointer calculations,...

Important: Red Hat Security Advisory: mingw-libtiff security update

An update for mingw-libtiff is now available for Red Hat Enterprise Linux 8. 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...

openssh: OpenSSH GSSAPI: Information disclosure or denial of service due to uninitialized variables

A flaw was found in the OpenSSH GSSAPI Generic Security Service Application Program Interface delta patches, as included in various Linux distributions. A remote attacker could exploit this by sending an unexpected GSSAPI message type during the key exchange process. This occurs because the...

Important: Red Hat Security Advisory: openssh security update

An update for openssh 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...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.13.66 bug fix and security update

Red Hat OpenShift Container Platform release 4.13.66 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.13. Red Hat Product Security has rated this update as having a...

kernel: ALSA: aloop: Fix racy access at PCM trigger

In the Linux kernel, the following vulnerability has been resolved: ALSA: aloop: Fix racy access at PCM trigger The PCM trigger callback of aloop driver tries to check the PCM state and stop the stream of the tied substream in the corresponding cable. Since both check and stop operations are...

kernel: out-of-bound read in memcpy_fromiovecend()

A flaw was found in the Linux kernel that allows the userspace to call memcpyfromiovecend and similar functions with a zero offset and buffer length. This can cause a read beyond the buffer boundaries flaw and, in certain cases, cause a memory access fault and a system halt by accessing invalid...

kernel: nfsd: fix heap overflow in NFSv4.0 LOCK replay cache

A flaw was found in the Linux kernel's NFSv4.0 server nfsd. A remote, unauthenticated attacker can exploit this heap overflow vulnerability in the NFSv4.0 LOCK replay cache. By using two cooperating NFSv4.0 clients, where one sets a lock with a large owner string and another requests a conflictin...

kernel: sctp: avoid NULL dereference when chunk data buffer is missing

In the Linux kernel, the following vulnerability has been resolved: sctp: avoid NULL dereference when chunk data buffer is missing chunk-skb pointer is dereferenced in the if-block where it's supposed to be NULL only. chunk-skb can only be NULL if chunk-headskb is not. Check for fraglist instead...

Important: Red Hat Security Advisory: kernel security update

An update for kernel 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...

kernel: crypto: algif_aead - Revert to operating out-of-place

A flaw was found in the Linux kernel's algifaead cryptographic algorithm interface. An incorrect in-place operation causes source and destination data mappings to differ during cryptographic processing. A low-privileged local attacker can exploit this flaw to corrupt the contents of sensitive...

Important: Red Hat Security Advisory: kernel update

An update for kernel is now available for Red Hat Enterprise Linux for NVIDIA. A special build of the kernel packages for Red Hat Enterprise Linux for NVIDIA. CVE-2026-31431 kernel: crypto: algifaead - Revert to operating out-of-place...

NGINX: NGINX: Denial of Service due to memory corruption via crafted MP4 file

A flaw was found in NGINX Open Source, specifically within the ngxhttpmp4module. An attacker can exploit this memory corruption vulnerability by providing a specially crafted MP4 file. This can lead to an over-read or over-write of NGINX worker memory, causing the worker to terminate and resultin...

Important: Red Hat Security Advisory: nginx security update

An update for nginx 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 Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

NGINX: NGINX: Denial of Service or file modification via buffer overflow in ngx_http_dav_module

A flaw was found in NGINX. A remote attacker can exploit a buffer overflow vulnerability within the ngxhttpdavmodule module. This occurs when the NGINX configuration uses DAV module MOVE or COPY methods in conjunction with prefix location and alias directives. Successful exploitation may lead to...

nginx: NGINX: Denial of Service or Code Execution via specially crafted MP4 files

A flaw was found in NGINX's ngxhttpmp4module. This Out-of-Bounds Read/Write vulnerability occurs due to improper handling of specially crafted MP4 files. A local authenticated attacker, by supplying a malicious MP4 file, can trigger a buffer over-read or overwrite in worker memory. This can lead ...

NGINX: NGINX: Denial of Service via undisclosed requests when ngx_mail_auth_http_module is enabled

A flaw was found in NGINX, specifically within the ngxmailauthhttpmodule. When this module is enabled, and CRAM-MD5 or APOP authentication is active with an authentication server that permits retries, undisclosed requests can cause NGINX worker processes to terminate. This can lead to a Denial of...

Moderate: Red Hat Security Advisory: libxml2 security update

An update for libxml2 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 Syst...

libxslt: libxml2: Inifinite recursion at exsltDynMapFunction function in libexslt/dynamic.c

A flaw was found in libxstl/libxml2. The 'exsltDynMapFunction' function in libexslt/dynamic.c does not contain a recursion depth check, which may cause an infinite loop via a specially crafted XSLT document while handling 'dyn:map', leading to stack exhaustion and a local denial of service...

golang.org/x/crypto/ssh/agent: golang.org/x/crypto/ssh/agent: SSH client panic due to unexpected SSH_AGENT_SUCCESS

A flaw in golang.org/x/crypto/ssh/agent causes the SSH agent client to panic when a peer responds with the generic SSHAGENTSUCCESS 0x06 message to requests expecting typed replies e.g., List, Sign. The unmarshal layer produces an unexpected message type, which the client code does not handle,...

crypto/x509: golang: Denial of Service due to excessive resource consumption via crafted certificate

A flaw was found in golang. A remote attacker could exploit this vulnerability by providing a specially crafted certificate during the error string construction process within the HostnameError.Error function. This flaw, caused by unbounded string concatenation, leads to excessive resource...

net/url: Incorrect parsing of IPv6 host literals in net/url

The Go standard library function net/url.Parse insufficiently validated the host/authority component and accepted some invalid URLs by effectively treating garbage before an IP-literal as ignorable. The function should have rejected this as invalid...

golang: net/url: Memory exhaustion in query parameter parsing in net/url

A flaw was found in the net/url package in the Go standard library. The package does not enforce a limit on the number of unique query parameters it parses. A Go application using the net/http.Request.ParseForm method will try to process all parameters provided in the request. A specially crafted...

Important: Red Hat Security Advisory: buildah security update

An update for buildah is now available for Red Hat Enterprise Linux 10.0 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 available fo...

crypto/tls: crypto/tls: Incorrect certificate validation during TLS session resumption

A flaw was found in the crypto/tls component. This vulnerability occurs during Transport Layer Security TLS session resumption when certificate authority CA settings are modified between the initial and resumed handshakes. An attacker could exploit this to bypass certificate validation, allowing ...

python-markdown: denial of service via malformed HTML-like sequences

A flaw was found in Python-Markdown. Parsing crafted markdown content containing malformed HTML-like sequences causes html.parser.HTMLParser to raise an unhandled AssertionError. This unhandled exception allows an attacker to cause an application crash and potentially disclose sensitive informati...

pillow: Pillow: Out-of-bounds Write via Specially Crafted PSD Image

A flaw was found the Pillow Python imaging library. Providing a specially crafted PSD image may lead to an out-of-bounds write. This could potentially allow for arbitrary code execution or information disclosure...

pyOpenSSL: DTLS cookie callback buffer overflow

A flaw was found in pyOpenSSL. The setcookiegeneratecallback callback function can be used to generate DTLS cookies. When the callback returns a cookie string or byte sequence longer than 256 bytes, a buffer overflow can be triggered due to a missing bounds checking before copying the data to a...

Rails: Active Support: Active Support: Denial of Service via large scientific notation strings

A flaw was found in Active Support, a toolkit of support libraries for Ruby on Rails. A remote attacker can exploit this vulnerability by providing specially crafted strings containing scientific notation e.g., "1e10000" to number helpers. This input causes the BigDecimal component to expand into...

com.mchange/mchange-commons-java: mchange-commons-java: Arbitrary code execution via JNDI dereferencing of crafted objects

A flaw was found in mchange-commons-java, a Java utility library. An attacker can exploit this vulnerability by providing a maliciously crafted javax.naming.Reference or serialized object to an application using the library. This can provoke the application to download and execute arbitrary...

Important: Red Hat Security Advisory: Satellite 6.16.8 Async Update

An update is now available for Red Hat Satellite 6.16 for RHEL 8 and RHEL 9. 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...

python-markdown: denial of service via malformed HTML-like sequences

A flaw was found in Python-Markdown. Parsing crafted markdown content containing malformed HTML-like sequences causes html.parser.HTMLParser to raise an unhandled AssertionError. This unhandled exception allows an attacker to cause an application crash and potentially disclose sensitive informati...