CVE-2026-70630 FFmpeg 3.0 < 9.0 Uninitialized Heap Memory Read in Screenpresso Decoder

FFmpeg versions from 3.0 up to, but not including, 9.0 contain an uninitialized heap memory read vulnerability in the native Screenpresso decoder libavcodec/screenpresso.c that allows attackers to recover sensitive memory contents by supplying a crafted SPV1 packet with a valid zlib stream that...

CVE-2026-70630 FFmpeg 3.0 < 9.0 Uninitialized Heap Memory Read in Screenpresso Decoder

FFmpeg versions from 3.0 up to, but not including, 9.0 contain an uninitialized heap memory read vulnerability in the native Screenpresso decoder libavcodec/screenpresso.c that allows attackers to recover sensitive memory contents by supplying a crafted SPV1 packet with a valid zlib stream that...

CVE-2026-70630

FFmpeg versions from 3.0 up to, but not including, 9.0 contain an uninitialized heap memory read vulnerability in the native Screenpresso decoder libavcodec/screenpresso.c that allows attackers to recover sensitive memory contents by supplying a crafted SPV1 packet with a valid zlib stream that...

CVE-2026-70629

FFmpeg versions from 3.0 up to, but not including, 9.0 contain an uninitialized heap memory read vulnerability in the native RSCC decoder libavcodec/rscc.c that allows attackers to disclose heap memory contents by supplying a crafted video file with a compressed tile that decompresses fewer bytes...

CVE-2026-70629 FFmpeg 3.0 < 9.0 Uninitialized Heap Memory Read in RSCC Decoder

FFmpeg versions from 3.0 up to, but not including, 9.0 contain an uninitialized heap memory read vulnerability in the native RSCC decoder libavcodec/rscc.c that allows attackers to disclose heap memory contents by supplying a crafted video file with a compressed tile that decompresses fewer bytes...

CVE-2026-70629

FFmpeg versions from 3.0 up to, but not including, 9.0 contain an uninitialized heap memory read vulnerability in the native RSCC decoder libavcodec/rscc.c that allows attackers to disclose heap memory contents by supplying a crafted video file with a compressed tile that decompresses fewer bytes...

CVE-2026-70629

CVE-2026-70629 affects FFmpeg versions 3.0 up to but not including 9.0, in the native RSCC decoder (libavcodec/rscc.c). The issue is an unreleased/deferred validation: rscc_decode_frame() copies data via av_image_copy_plane() without ensuring the decompressed byte count matches the tile geometry,...

CVE-2026-70629 FFmpeg 3.0 < 9.0 Uninitialized Heap Memory Read in RSCC Decoder

FFmpeg versions from 3.0 up to, but not including, 9.0 contain an uninitialized heap memory read vulnerability in the native RSCC decoder libavcodec/rscc.c that allows attackers to disclose heap memory contents by supplying a crafted video file with a compressed tile that decompresses fewer bytes...

CVE-2026-70629 FFmpeg 3.0 < 9.0 Uninitialized Heap Memory Read in RSCC Decoder

FFmpeg versions from 3.0 up to, but not including, 9.0 contain an uninitialized heap memory read vulnerability in the native RSCC decoder libavcodec/rscc.c that allows attackers to disclose heap memory contents by supplying a crafted video file with a compressed tile that decompresses fewer bytes...

CVE-2026-70629

FFmpeg versions from 3.0 up to, but not including, 9.0 contain an uninitialized heap memory read vulnerability in the native RSCC decoder libavcodec/rscc.c that allows attackers to disclose heap memory contents by supplying a crafted video file with a compressed tile that decompresses fewer bytes...

CVE-2026-70628 FFmpeg 0.5 < 9.0 DVB Subtitle Parser Heap Buffer Overflow via WTV File

FFmpeg versions from 0.5 up to, but not including, 9.0 contain a signed integer overflow vulnerability in the DVB subtitle parser in libavcodec/dvbsubparser.c that allows attackers to trigger a heap buffer overflow by supplying a crafted WTV file. The overflow causes the bounds-check guard...

CVE-2026-70628 FFmpeg 0.5 < 9.0 DVB Subtitle Parser Heap Buffer Overflow via WTV File

FFmpeg versions from 0.5 up to, but not including, 9.0 contain a signed integer overflow vulnerability in the DVB subtitle parser in libavcodec/dvbsubparser.c that allows attackers to trigger a heap buffer overflow by supplying a crafted WTV file. The overflow causes the bounds-check guard...

CVE-2026-70628

FFmpeg versions from 0.5 up to, but not including, 9.0 contain a signed integer overflow vulnerability in the DVB subtitle parser in libavcodec/dvbsubparser.c that allows attackers to trigger a heap buffer overflow by supplying a crafted WTV file. The overflow causes the bounds-check guard...

CVE-2026-70628

FFmpeg versions 0.5 up to (but not including) 9.0 are affected by a signed integer overflow in the DVB subtitle parser (libavcodec/dvbsub_parser.c) that can trigger a heap buffer overflow when processing a crafted WTV file. The overflow causes the bounds-check guard to wrap to INT_MIN, bypassing ...

CVE-2026-70628 FFmpeg 0.5 < 9.0 DVB Subtitle Parser Heap Buffer Overflow via WTV File

FFmpeg versions from 0.5 up to, but not including, 9.0 contain a signed integer overflow vulnerability in the DVB subtitle parser in libavcodec/dvbsubparser.c that allows attackers to trigger a heap buffer overflow by supplying a crafted WTV file. The overflow causes the bounds-check guard...

CVE-2026-70628

FFmpeg versions from 0.5 up to, but not including, 9.0 contain a signed integer overflow vulnerability in the DVB subtitle parser in libavcodec/dvbsubparser.c that allows attackers to trigger a heap buffer overflow by supplying a crafted WTV file. The overflow causes the bounds-check guard...

CVE-2026-70628

FFmpeg versions from 0.5 up to, but not including, 9.0 contain a signed integer overflow vulnerability in the DVB subtitle parser in libavcodec/dvbsubparser.c that allows attackers to trigger a heap buffer overflow by supplying a crafted WTV file. The overflow causes the bounds-check guard...

Important: Red Hat Security Advisory: Backport fixes for CVE-2026-64835 and CVE-2026-58049

Backport fixes for CVE-2026-64835 and CVE-2026-58049 CVE-2026-64835 FFmpeg: Arbitrary code execution, information disclosure, or denial of service via crafted ADX/AAX audio files CVE-2026-58049 FFmpeg: Memory corruption via crafted RASC video stream...

FFmpeg: FFmpeg: Arbitrary code execution, information disclosure, or denial of service via crafted ADX/AAX audio files

A flaw was found in FFmpeg. A remote attacker could exploit an out-of-bounds memory access vulnerability in the ADX audio decoder by supplying a specially crafted ADX or AAX audio file. This could lead to the attacker triggering both out-of-bounds reads and writes, potentially resulting in...

PT-2026-68786

Name of the Vulnerable Software and Affected Versions FFmpeg versions 3.0 through 8.x Description An uninitialized heap memory read exists in the native Screenpresso decoder libavcodec/screenpresso.c. An attacker can recover sensitive memory contents, such as userspace addresses from persistent...