8.8
CVSS 4.0
Няма данни
Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)
Няма потвърждение
Атакува се
Няма данни
Време до експлоатация
Атакува се по мрежата, без особени условия, без вход и без действие от потребителя.
- Експлоатация: няма данни за експлоатация
- Атаката може да се автоматизира
Описание
Оригинално описание
FFmpeg's RASC video decoder (decode_dlta in libavcodec/rasc.c) performs 32-bit reads and writes at the row cursor before the NEXT_LINE row-boundary check and validates the DLTA region in pixel rather than byte units, so a DLTA run on a PAL8 frame can access several bytes past the row allocation. A crafted media stream using the RASC FourCC, decoded by libavcodec, triggers a bitstream-controlled out-of-bounds heap write and adjacent out-of-bounds read, leading to memory corruption.
Засегнати продукти
- FFmpeg FFmpeg: до bcd2c69e087a09b07cf45c6bd2428ee1ccb2925c
- Red Hat Red Hat Enterprise Linux AI 3.0 for RHEL 9: 0:6.1.6-3.el9ai преди *
- Red Hat Red Hat Enterprise Linux AI 3.2 for RHEL 9: 0:6.1.6-3.el9ai преди *
- Red Hat Red Hat Enterprise Linux AI 3.3 for RHEL 9: 0:6.1.6-3.el9ai преди *
- Red Hat Red Hat Enterprise Linux AI 3.5 for RHEL 9: 0:6.1.6-1.el9ai преди *
- Red Hat Red Hat OpenShift AI 3.4: 1786611800 преди *
- Red Hat Red Hat AI Inference Server
- Red Hat Red Hat Enterprise Linux AI (RHEL AI) 3
- Red Hat Red Hat OpenShift AI (RHOAI)
Вид слабост
История
- 28 юни 2026 Публикувано
Други уязвимости в FFmpeg FFmpeg
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-58049
- https://nvd.nist.gov/vuln/detail/CVE-2026-58049
- https://github.com/bikini/exploitarium/tree/main/ffmpeg-rasc-dlta-calc-poc
- https://github.com/FFmpeg/FFmpeg/blob/master/libavcodec/rasc.c
- https://www.vulncheck.com/advisories/ffmpeg-out-of-bounds-write-in-rasc-decoder-decode-dlta
- https://access.redhat.com/security/cve/CVE-2026-58049
- https://bugzilla.redhat.com/show_bug.cgi?id=2493952
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-58049.json
- https://access.redhat.com/errata/RHSA-2026:52832
- https://access.redhat.com/errata/RHSA-2026:52833
- https://access.redhat.com/errata/RHSA-2026:51180
- https://access.redhat.com/errata/RHSA-2026:43711
- https://access.redhat.com/errata/RHSA-2026:61628
- https://access.redhat.com/errata/RHSA-2026:61627
- https://access.redhat.com/errata/RHSA-2026:61629
- https://access.redhat.com/errata/RHSA-2026:60520