CVE-2026-8461-EXP

CVE-2026-8461 "PixelSmash" — FFmpeg MagicYUV ヒープ OOB 書き込み PoC !WARNING このリポジトリには、ヒープ破壊の脆弱性に対する実動するエクスプロイト PoC が含まれています。 これは、許可されたセキュリティ研究、CTF コンテキスト、および防御的分析のみを目的としています。 自分が所有していないシステム、または明示的な書面による許可を得ていないシステムに対して使用しないでください。 影響を受けるバージョン: FFmpeg 8.0.1 MagicYUV デコーダー libavcodec/magicyuv.c プリミティブ: ヒ...

NotEnough

Huffman table hacking tool このツールは、脆弱性のあるlibwebpライブラリ（すなわちlibwebp = 1.3.1）に対してOOB（Out Of Band）書き込みを引き起こすことができる巧妙な正準ハフマンヒストグラムを計算します。この脆弱性はCVE-2023-4863またはCVE-2023-41064として知られています。事前に割り当てられたハフマンテーブルを最大132エントリ 分オーバーフローさせることができます。...

TUNderflow

TUNderflow CVE-2026-81000 Writeup !WARNING このPoCは、防御担当者、メンテナー、および許可されたセキュリティチームが、自身が所有する、または明示的にテストを許可されたシステム上で、パッチ、緩和策、検知、および露出を検証することを支援するためだけに提供されています。 この資料の使用が合法で、許可され、管理され、隔離されたテスト環境で実施されることを保証する責任は、あなただけにあります。 !WARNING このPoCは破壊的です。 ロールバックなしで /etc/pam.d/su を変更します。...

CVE-2026-31431

CVE-2026-31431 — NULLポインタからrootへ：LinuxカーネルのAFALG AEADを悪用する バグクラス: NULLポインタ参照 → ヒープOOB書き込み → 資格情報の上書き 影響を受けるサブシステム: net/alg/afalg.c 影響: ローカル権限昇格（非特権ユーザー → root） 影響を受けるカーネル: Linux 4.4 – 4.9（パッチ適用前） 概要 カーネルがユーザー空間アドレスを期待する場所に、NULLポインタを指定してsetsockoptを呼び出します。カーネルはアドレス0x00000000から読み取ります —...

Updated python-pillow packages fix security vulnerabilities

Prevent decompression bomb when parsing PDF WindowsViewer.getcommand injection EPS image infinite loop JPEG2000 image memory usage McIdas out-of-bounds OOB read Out-of-bounds OOB read when saving 1 mode TGA images Out-of-bounds OOB write from large RankFilter sizes Out-of-bounds OOB write from...

Rocky Linux 9 [CIQ] Security Update: freetype / freetype-debuginfo / freetype-debugsource / etc (crlsa-2025_3407)

The Rocky Linux 9 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-20253407 advisory. freetype: OOB write when attempting to parse font subglyph structures related to TrueType GX and variable font files CVE-2025-27363 Tenable has extracted the...

Rocky Linux 8 [CIQ] Security Update: gstreamer1-plugins-good / gstreamer1-plugins-good-debuginfo / etc Multiple Vulnerabilities (crlsa-2024_11299)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202411299 advisory. gstreamer1-plugins-good: uninitialized stack memory in Matroska/WebM demuxer CVE-2024-47540 gstreamer1-plugins-good: OOB-write in isomp4/qtdemux.c...

Rocky Linux 9 [CIQ] Security Update: grub2-common / grub2-debuginfo / grub2-debugsource / grub2-efi-aa64 / etc (crlsa-2025_20532)

The Rocky Linux 9 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-202520532 advisory. grub2: grub-core/gettext: Integer overflow leads to Heap OOB Write. CVE-2024-45777 Tenable has extracted the preceding description block directly from the CIQ...

Rocky Linux 8 [CIQ] Security Update: freetype / freetype-debuginfo / freetype-debugsource / etc (crlsa-2025_3421)

The Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-20253421 advisory. freetype: OOB write when attempting to parse font subglyph structures related to TrueType GX and variable font files CVE-2025-27363 Tenable has extracted the...

Rocky Linux 8 [CIQ] Security Update: mingw32-freetype / mingw32-freetype-debuginfo / etc Multiple Vulnerabilities (crlsa-2025_8292)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20258292 advisory. freetype: OOB write when attempting to parse font subglyph structures related to TrueType GX and variable font files CVE-2025-27363 libsoup: Integer overfl...

Rocky Linux 9 [CIQ] Security Update: bpftool / bpftool-debuginfo / kernel / kernel-64k / kernel-64k-core / etc Multiple Vulnerabilities (crlsa-2024_8162)

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20248162 advisory. kernel: Local information disclosure on IntelR AtomR processors CVE-2023-28746 kernel: netfilter: nftflowoffload: reset dst in route object after setting u...

Rocky Linux 9 [CIQ] Security Update: gstreamer1-plugins-good / gstreamer1-plugins-good-debuginfo / etc Multiple Vulnerabilities (crlsa-2024_11122)

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202411122 advisory. gstreamer1-plugins-good: uninitialized stack memory in Matroska/WebM demuxer CVE-2024-47540 gstreamer1-plugins-good: OOB-write in isomp4/qtdemux.c...

CentOS Linux 7 [TuxCare] Security Update: bpftool / kernel / kernel-debug / kernel-debug-devel / kernel-devel / etc Multiple Vulnerabilities (CENTOS7:CLSA-2024:1727167500)

The CentOS Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS7:CLSA-2024:1727167500 advisory. - btsockrecvmsg in net/bluetooth/afbluetooth.c in the Linux kernel through 6.6.8 has a use-after-free because of a btsockioctl race...

AlmaLinux 9.2 [TuxCare] Security Update: gstreamer1-plugins-good / gstreamer1-plugins-good-gtk / etc Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2025:1749826187)

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2025:1749826187 advisory. - GStreamer is a library for constructing graphs of media-handling components. The program attempts to reallocate the memory pointed...

kernel-rt security update

An update is available for kernel-rt. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The kernel-rt packages provide the Real Time Linux Kernel, which enables...

RLSA-2026:72467 Important: kernel-rt security update

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fixes: kernel: fbcon: Set fbdisplayi-mode to NULL when the mode is released CVE-2025-40323 kernel: ext4: fix e4b bitmap inconsistency reports...

CentOS Linux 7 [TuxCare] Security Update: gstreamer1-plugins-base / gstreamer1-plugins-base-devel / etc (CENTOS7:CLSA-2025:1763139214)

The CentOS Linux 7 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS7:CLSA-2025:1763139214 advisory. - GStreamer is a library for constructing graphs of media-handling components. An OOB-Write has been detected in the function...

AlmaLinux 9.2 [TuxCare] Security Update: openexr / openexr-devel / openexr-libs Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2026:1778756042)

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1778756042 advisory. - OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion...

AlmaLinux 9.2 [TuxCare] Security Update: gstreamer1-plugins-base / gstreamer1-plugins-base-devel / etc Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2025:1748639719)

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2025:1748639719 advisory. - GStreamer is a library for constructing graphs of media-handling components. An OOB-write vulnerability has been identified in the...

AlmaLinux 9.2 [TuxCare] Security Update: gstreamer1-plugins-base / gstreamer1-plugins-base-devel / etc Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2025:1749505638)

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2025:1749505638 advisory. - GStreamer is a library for constructing graphs of media-handling components. A stack-buffer overflow has been detected in the...