CVE-2026-18809 vulnerabilities

Vulnerabilities for packages: firefox...

ANT-2026-DVZKVAV1 · Suricata · Use-After-Free

use-after-free medium Severity Claude medium · Security research firm medium · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Trail of Bits. ANT-2026-DVZKVAV1: Heap use-after-free write in YAML...

ANT-2026-XKHM3P45 · nss · heap-use-after-free

use-after-free low Severity Claude critical · Security research firm low · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Calif. ANT-2026-XKHM3P45: Heap use-after-free in NSS DTLS client via crafted...

CVE-2026-72072

A flaw was found in the Linux kernel's MACsec Media Access Control Security component. A race condition during the deletion of an offloaded MACsec RX Security Channel SC allows the RX datapath to access and operate on memory that has already been freed. This use-after-free vulnerability can lead ...

CVE-2026-72071

A flaw was found in the Linux kernel's tracing/userevents component. An unprivileged local attacker can exploit a race condition during process forking within the usereventmmdup function. This use-after-free vulnerability occurs when an enabler is prematurely freed while still being accessed...

CVE-2026-72070

A flaw was found in the Linux kernel's libertastf Wi-Fi driver. This vulnerability is a use-after-free, meaning the system attempts to access memory after it has been released. This occurs when the lbtffreeadapter function, responsible for freeing adapter resources, does not properly synchronize...

kernel: net: sched: UAF via missing handler for TC_ACT_CONSUMED in tcf_qevent_handle

A flaw was found in the Linux kernel's traffic control TC classifier application programming interface API. The tcfqeventhandle function does not properly handle a consumed socket buffer skb when it is processed by the defragmentation engine. This can lead to a Use-After-Free UAF vulnerability,...

Important: Red Hat Security Advisory: kpatch-patch-5_14_0-284_117_1, kpatch-patch-5_14_0-284_134_1, kpatch-patch-5_14_0-284_148_1, kpatch-patch-5_14_0-284_158_1, and kpatch-patch-5_14_0-284_172_1 security update

An update for multiple packages 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...

ANT-2026-CEP8Y9M0 · ffmpeg · Use-After-Free

use-after-free high Severity Claude high · Security research firm - · Maintainer - REPORT Anthropic's analysis of this finding, sealed at approval. ANT-2026-CEP8Y9M0: avformat/mpegts: reset PES state before JPEG-XS error return In the MPEG-TS demuxer, newpespacket begins transferring ownership of...

CVE-2026-73282

A flaw was found in OpenSSH. A use-after-free vulnerability exists in the ssh client when handling concurrent remote-forwarding operations. This can occur if a remote forwarding is added via the local session multiplexing socket while a remote forwarding open request is pending with the server. A...

ANT-2026-ZRDQDR79 · util-linux · heap-use-after-free

use-after-free medium CVE-2026-13595 GHSA-qpmf-9p9c-455w Severity Claude critical · Security research firm high · Maintainer medium Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Calif. ANT-2026-ZRDQDR79:...

CVE-2026-72024

A flaw was found in the mac802154 component of the Linux kernel. When network interfaces are removed, the system incorrectly manages memory, which can cause a program to try and use memory that is no longer available or has been corrupted. This vulnerability could lead to system instability or a...

ANT-2026-WCSVRYAX · suricata · heap-use-after-free

use-after-free high GHSA-59q6-j4w8-8pjx Severity Claude critical · Security research firm high · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Trail of Bits. ANT-2026-WCSVRYAX: heap-use-after-free in...

ANT-2026-AYWQW7P2 · openssl · Use-After-Free

use-after-free critical CVE-2026-45447 GHSA-f684-cpcq-j565 Severity Claude high · Security research firm high · Maintainer critical REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Calif. ANT-2026-AYWQW7P2: PKCS7verify frees caller-owned indata BIO wh...

Important: Red Hat Security Advisory: kernel security, bug fix, and enhancement update

An update for kernel 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 from th...

kernel: drm/i915: Fix potential UAF in TTM object purge

A flaw was found in the Linux kernel's Intel i915 graphics driver drm/i915. This use-after-free UAF vulnerability occurs during the TTM object purge operation. An attacker could potentially exploit this to cause a system crash, leading to a denial of service...

USN-8629-2: Linux kernel (AWS) vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - x86 architecture; - InfiniBand drivers; - Network drivers; - Network traffic control; - IPv4 networking; - IPv6...

SUSE CVE-2026-72389

In the Linux kernel, the following vulnerability has been resolved: bridge: stp: Fix a potential use-after-free when deleting a bridge The three STP timers are not supposed to be armed while the bridge is administratively down. They are synchronously deactivated when the bridge is put...

kernel: net: sched: UAF via missing handler for TC_ACT_CONSUMED in tcf_qevent_handle

A flaw was found in the Linux kernel's traffic control TC classifier application programming interface API. The tcfqeventhandle function does not properly handle a consumed socket buffer skb when it is processed by the defragmentation engine. This can lead to a Use-After-Free UAF vulnerability,...

Important: Red Hat Security Advisory: kpatch-patch-5_14_0-687_10_1 security update

An update for kpatch-patch-5140-687101 is now available for Red Hat Enterprise Linux 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...