CVE-2026-8461-PoC

CVE-2026-8461 PoC !WARNING このPoCは完全にAIによって生成されています。 使い方: python exploitcve20268461.py --baseline --frames 25 -o baseline.avi ffmpegのパッチ未適用版は、baseline.aviを処理するとクラッシュします。...

VLC_CVE-2021-25804_Analysis

AVIファイルには複数のトラックを含めることができます。例えば、オーディオトラックとビデオトラックです。 任意の数のトラックを解析するために、VLCはまず特定のトラックが完成して再生可能かどうかを判定する必要があります。この目的のために2つの変数が設定されています。どちらもitrackという名前です。 ここでは、psys変数がAVIファイルを表します。したがって、完成して再生可能と判定されたトラックを参照するために使用される「正式な」itrack変数はpsys-itrackです。これは次のマクロで初期化されます: TABINITpsys-itrack, psys-track;...

USN-8863-1: GStreamer Good Plugins vulnerabilities

Yazan Balawneh discovered that GStreamer Good Plugins incorrectly handled certain FLAC audio streams. An attacker could possibly use this issue to obtain sensitive information. CVE-2026-17072 Seonwook Kim discovered that GStreamer Good Plugins incorrectly parsed certain AVI files. An attacker cou...

VLC_CVE-2021-25801_Analysis

CVE-2021-25801 分析 该漏洞源于在尝试读取由有效的超级索引（super indx）块指向的子索引（sub indx）块时，未能彻底检查传递给 Parseindx 的块类型。 else if pindx-iindextype == AVIINDEXOFINDEXES //这是超级索引的预期值 if !psys-bseekable return; avichunkt cksub; for unsigned i = 0; i ientriesinuse; i++ if vlcstreamSeek pdemux-s, pindx-idx.superi.ioffset ||...

AlmaLinux 9.2 [TuxCare] Security Update: gstreamer1-plugins-base / gstreamer1-plugins-base-devel / etc (ALMALINUX9.2:CLSA-2026:1776778859)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1776778859 advisory. - GStreamer RIFF Palette Integer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrar...

CVE-2026-77396

A flaw was found in PJSIP. A heap buffer overflow vulnerability exists in the AVI Audio Video Interleave parser. A remote attacker could exploit this by providing a specially crafted AVI file. When an application processes this file, it can lead to memory corruption, potentially allowing the...

Linux Distros Unpatched Vulnerability : CVE-2026-77396

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - PJSIP is a free and open source multimedia communication library written in C. In 2.17 and earlier, the PJSIP AVI parser in pjmedia/src/pjmedia/aviplayer.c uses...

DEBIAN-CVE-2026-77396

PJSIP is a free and open source multimedia communication library written in C. In 2.17 and earlier, the PJSIP AVI parser in pjmedia/src/pjmedia/aviplayer.c uses an input-file video chunk length as the number of bytes copied into a frame buffer whose capacity is derived from the declared media...

CVE-2026-77396

PJSIP is a free and open source multimedia communication library written in C. In 2.17 and earlier, the PJSIP AVI parser in pjmedia/src/pjmedia/aviplayer.c uses an input-file video chunk length as the number of bytes copied into a frame buffer whose capacity is derived from the declared media...

CVE-2026-77396 PJSIP: Heap buffer overflow in the AVI parser

PJSIP is a free and open source multimedia communication library written in C. In 2.17 and earlier, the PJSIP AVI parser in pjmedia/src/pjmedia/aviplayer.c uses an input-file video chunk length as the number of bytes copied into a frame buffer whose capacity is derived from the declared media...

CVE-2026-77396

PJSIP is a free and open source multimedia communication library written in C. In 2.17 and earlier, the PJSIP AVI parser in pjmedia/src/pjmedia/aviplayer.c uses an input-file video chunk length as the number of bytes copied into a frame buffer whose capacity is derived from the declared media...

EUVD-2026-83196

PJSIP is a free and open source multimedia communication library written in C. In 2.17 and earlier, the PJSIP AVI parser in pjmedia/src/pjmedia/aviplayer.c uses an input-file video chunk length as the number of bytes copied into a frame buffer whose capacity is derived from the declared media...

CVE-2026-77396 PJSIP: Heap buffer overflow in the AVI parser

PJSIP is a free and open source multimedia communication library written in C. In 2.17 and earlier, the PJSIP AVI parser in pjmedia/src/pjmedia/aviplayer.c uses an input-file video chunk length as the number of bytes copied into a frame buffer whose capacity is derived from the declared media...

CVE-2026-77396 PJSIP: Heap buffer overflow in the AVI parser

PJSIP is a free and open source multimedia communication library written in C. In 2.17 and earlier, the PJSIP AVI parser in pjmedia/src/pjmedia/aviplayer.c uses an input-file video chunk length as the number of bytes copied into a frame buffer whose capacity is derived from the declared media...

CVE-2026-77396

PJSIP (a free and open source multimedia communication library in C) versions 2.17 and earlier contain a heap buffer overflow in the AVI parser at pjmedia/src/pjmedia/avi_player.c. The parser uses an input-file video chunk length as the number of bytes copied into a frame buffer whose capacity is...

gstreamer1-plugins-good: gstreamer: out-of-bounds read in avidemux vprp video field descriptor parsing

A flaw was found in GStreamer gst-plugins-good avidemux. In gstavidemuxriffparsevprp, the number of available gstriffvprpvideofielddesc entries is calculated by dividing the remaining buffer size by the attacker-controlled vprp-fields value, rather than by sizeofgstriffvprpvideofielddesc. This ca...

CVE-2026-77396: Heap-based Buffer Overflow

PJSIP is a free and open source multimedia communication library written in C. In 2.17 and earlier, the PJSIP AVI parser in pjmedia/src/pjmedia/aviplayer.c uses an input-file video chunk length as the number of bytes copied into a frame buffer whose capacity is derived from the declared media...

Astra Linux – Vulnerability in ffmpeg

A memory corruption issue in the mpegmuxwritepacket function in libavformat/mpegenc.c of FFmpeg 4.2 can lead to a denial of service DOS attack through a specially crafted AVI file...

Astra Linux – Vulnerability in ffmpeg5, ffmpeg

FFmpeg n6.1.1 has a vulnerability in the AVI demuxer of the libavformat library, which allows for an integer overflow, potentially leading to a denial-of-service DoS attack...

CVE-2026-90783

MKVToolNix through 101.0 contains a heap buffer overflow in the bundled avilib library's ODML superindex parser due to integer wraparound in 32-bit arithmetic. Attackers can craft a malicious AVI file with oversized entry counts that cause an undersized heap allocation, allowing a heap buffer...