PT-2026-102587

Name of the Vulnerable Software and Affected Versions Thunderbird versions prior to 157 Firefox versions prior to 157 Description An invalid pointer issue exists within the Just-In-Time JIT component of the JavaScript Engine. JIT is a method of improving program performance by compiling code duri...

CVE-2026-100813: Release of Invalid Pointer or Reference

Invalid pointer in the JavaScript Engine: JIT component. This vulnerability was fixed in Thunderbird 157 and Firefox 157...

CVE-2026-100793: Access of Resource Using Incompatible Type

JIT miscompilation in the JavaScript Engine component. This vulnerability was fixed in Thunderbird 157 and Firefox 157...

CVE-2026-100814: Improper Restriction of Operations within the Bounds of a Memory Buffer

Incorrect boundary conditions in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157...

Important: thunderbird

Issue Overview: Triggering an error condition in certain MIME bodies would cause uninitialized memory to be used. This vulnerability was fixed in Thunderbird 155, Thunderbird 140.15, and Thunderbird 153.2. CVE-2026-84639 A maliciously constructed mail header could lead to a one byte read past the...

PT-2026-103020

Name of the Vulnerable Software and Affected Versions PCRE2 versions prior to 10.49 Description An out-of-bounds write occurs when an attacker-controlled regular expression is used in conjunction with specific JIT API usage. This issue affects the pcre2 jit compile and pcre2 jit match functions,...

jitterbug

JITterbug Semi-untethered Root and debloat tooling for the Hu...

DEBIAN-CVE-2026-98059

In the Linux kernel, the following vulnerability has been resolved: bpf: Mark schedprocesswait argument as nullable dowait passes wo-wopid to the schedprocesswait tracepoint. kernelwait4 leaves wopid NULL for wait4-1, and kernelwaitidprepare does likewise for waitidPALL. btfctxaccess currently...

DEBIAN-CVE-2026-97944

In the Linux kernel, the following vulnerability has been resolved: x86/cfi: Fix FineIBT hash offset in cfigetfunchash The switch of the FineIBT preamble from "subl $hash, %r10d" to the shorter "subl $hash, %eax" moved the hash immediate from offset 7 to offset 5 of the preamble...

CVE-2026-97944

In the Linux kernel, the following vulnerability has been resolved: x86/cfi: Fix FineIBT hash offset in cfigetfunchash The switch of the FineIBT preamble from "subl $hash, %r10d" to the shorter "subl $hash, %eax" moved the hash immediate from offset 7 to offset 5 of the preamble...

UBUNTU-CVE-2026-97944

In the Linux kernel, the following vulnerability has been resolved: x86/cfi: Fix FineIBT hash offset in cfigetfunchash The switch of the FineIBT preamble from "subl $hash, %r10d" to the shorter "subl $hash, %eax" moved the hash immediate from offset 7 to offset 5 of the preamble...

CVE-2026-97944

The Linux kernel contains a flaw in the x86/cfi implementation where the cfi_get_func_hash() function uses an incorrect hard-coded offset for the FineIBT hash. This mismatch occurred because the hash immediate moved from offset 7 to offset 5 during a preamble optimization. Consequently, the BPF J...

CVE-2026-97944 x86/cfi: Fix FineIBT hash offset in cfi_get_func_hash()

In the Linux kernel, the following vulnerability has been resolved: x86/cfi: Fix FineIBT hash offset in cfigetfunchash The switch of the FineIBT preamble from "subl $hash, %r10d" to the shorter "subl $hash, %eax" moved the hash immediate from offset 7 to offset 5 of the preamble...

EUVD-2026-86798

In the Linux kernel, the following vulnerability has been resolved: x86/cfi: Fix FineIBT hash offset in cfigetfunchash The switch of the FineIBT preamble from "subl $hash, %r10d" to the shorter "subl $hash, %eax" moved the hash immediate from offset 7 to offset 5 of the preamble...

PT-2026-98738

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the BPF Berkeley Packet Filter subsystem where the jit subprogs function in fixups.c fails to rewrite BPF PSEUDO FUNC loads to contain real function addresses when the...

CVE-2026-97944

In the Linux kernel, the following vulnerability has been resolved: x86/cfi: Fix FineIBT hash offset in cfigetfunchash The switch of the FineIBT preamble from "subl $hash, %r10d" to the shorter "subl $hash, %eax" moved the hash immediate from offset 7 to offset 5 of the preamble...

Linux Distros Unpatched Vulnerability : CVE-2026-97944

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - x86/cfi: Fix FineIBT hash offset in cfigetfunchash The switch of the FineIBT preamble from subl $hash, %r10d to the shorter subl $hash, %eax moved the hash...

PT-2026-98608

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the x86 Control Flow Integrity CFI implementation where the cfi get func hash function uses an incorrect open-coded offset to read the FineIBT hash. The FineIBT preamb...

firefox: thunderbird: Use-after-free in the JavaScript Engine: JIT component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Use-after-free in the JavaScript Engine: JIT component...

firefox: thunderbird: Use-after-free in the JavaScript Engine: JIT component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Use-after-free in the JavaScript Engine: JIT component...