Linux Distros Unpatched Vulnerability : CVE-2026-89630

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - smb: client: restore the dataoffset bound in isvalidoplockbreak Commit 83bfbd0bb902 cifs: Remove the RFC1002 header from smbhdr changed the quantity this bound ...

DEBIAN-CVE-2026-89630

In the Linux kernel, the following vulnerability has been resolved: smb: client: restore the dataoffset bound in isvalidoplockbreak Commit 83bfbd0bb902 "cifs: Remove the RFC1002 header from smbhdr" changed the quantity this bound is measured against. It used to be srv-totalread minus the 4-byte...

CVE-2026-89630

In the Linux kernel, the following vulnerability has been resolved: smb: client: restore the dataoffset bound in isvalidoplockbreak Commit 83bfbd0bb902 "cifs: Remove the RFC1002 header from smbhdr" changed the quantity this bound is measured against. It used to be srv-totalread minus the 4-byte...

EUVD-2026-76542

In the Linux kernel, the following vulnerability has been resolved: smb: client: restore the dataoffset bound in isvalidoplockbreak Commit 83bfbd0bb902 "cifs: Remove the RFC1002 header from smbhdr" changed the quantity this bound is measured against. It used to be srv-totalread minus the 4-byte...

CVE-2026-89630

In the Linux kernel, the following vulnerability has been resolved: smb: client: restore the dataoffset bound in isvalidoplockbreak Commit 83bfbd0bb902 "cifs: Remove the RFC1002 header from smbhdr" changed the quantity this bound is measured against. It used to be srv-totalread minus the 4-byte...

CVE-2026-89630 smb: client: restore the data_offset bound in is_valid_oplock_break()

In the Linux kernel, the following vulnerability has been resolved: smb: client: restore the dataoffset bound in isvalidoplockbreak Commit 83bfbd0bb902 "cifs: Remove the RFC1002 header from smbhdr" changed the quantity this bound is measured against. It used to be srv-totalread minus the 4-byte...

CVE-2026-89630 smb: client: restore the data_offset bound in is_valid_oplock_break()

In the Linux kernel, the following vulnerability has been resolved: smb: client: restore the dataoffset bound in isvalidoplockbreak Commit 83bfbd0bb902 "cifs: Remove the RFC1002 header from smbhdr" changed the quantity this bound is measured against. It used to be srv-totalread minus the 4-byte...

CVE-2026-89630

CVE-2026-89630 is a critical vulnerability in the Linux kernel's CIFS/SMB client . A regression introduced by commit 83bfbd0bb902 (which removed the RFC1002 header from smb_hdr) caused the data_offset bound check in is_valid_oplock_break() to evaluate to zero, effectively disabling the overflow g...

PT-2026-90346

In the Linux kernel, the following vulnerability has been resolved: smb: client: restore the data offset bound in is valid oplock break Commit 83bfbd0bb902 "cifs: Remove the RFC1002 header from smb hdr" changed the quantity this bound is measured against. It used to be srv-total read minus the...

CVE-2026-70653

A flaw was found in libvips. A heap-based buffer read overflow vulnerability exists in the old-style Radiance RLE decoder. A remote attacker could exploit this by providing a specially crafted Radiance image. This could lead to the disclosure of four bytes of adjacent heap data, potentially...

CVE-2026-82066

A heap out-of-bounds read security issue exists in the query planning...

OSV-2026-1198 Stack-buffer-overflow in msLayoutTextSymbol

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=551099259 Crash type: Stack-buffer-overflow READ 4 Crash state: msLayoutTextSymbol msWriteErrorImage msWMSException...

Astra Linux – Vulnerability in xwayland, xorg-server

A flaw was discovered in the X.Org X server. This integer underflow vulnerability, specifically related to the handling of the XKB compatibility map, allows an attacker with local or remote X11 server access to trigger a buffer read overflow. This can lead to memory safety violations and...

OSV-2026-1189 Global-buffer-overflow in oidc_cfg_redirect_urls_allowed_get

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=550474749 Crash type: Global-buffer-overflow READ 8 Crash state: oidccfgredirecturlsallowedget oidcvalidateredirecturl fuzzurl.c...

MINI-C966-WJFG-79XQ

Bulletin has no description...

ANT-2026-BBV63KVS · ffmpeg · heap-buffer-overflow

heap-buffer-overflow high Severity Claude high · Security research firm high · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Ada Logics. ANT-2026-BBV63KVS: Heap-buffer-overflow READ in FFmpeg APV...

CVE-2026-72431

In the Linux kernel, the following vulnerability has been resolved: alloctag: fix use-after-free in /proc/allocinfo after module unload allocinfostart only reinitializes the codetag iterator at position 0. For subsequent reads position 0, it reuses cached iterator state from the previous batch...

CVE-2026-67860

open62541 1.5.5 contains a heap-based buffer overflow in the default HistoryRead path when the default history database is used with the memory backend...

JLSEC-2026-1156 Issue summary: When CMS password-based decryption (RFC 3211 / PWRI key unwrap) processes attacker...

Issue summary: When CMS password-based decryption RFC 3211 / PWRI key unwrap processes attacker-supplied CMS data, an attacker-chosen stream-mode KEK cipher can trigger a heap out-of-bounds read in kekunwrapkey. Impact summary: A heap buffer over-read may trigger a crash which leads to Denial of...

EUVD-2026-45441

In the Linux kernel, the following vulnerability has been resolved: RDMA/ionic: bound nodedesc sysfs read with %.64s nodedesc64 in struct ibdevice is not guaranteed to be NUL- terminated. The core IB sysfs handler uses "%.64s" for exactly this reason drivers/infiniband/core/sysfs.c:1307, since...