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8.2высокая

CVE-2026-26740

Описание

Buffer Overflow vulnerability in giflib v.5.2.2 allows a remote attacker to cause a denial of service via the EGifGCBToExtension overwriting an existing Graphic Control Extension block without validating its allocated size.

Затрагиваемое ПО
Giflib project Giflib
CVSS
Балл8.2 — высокая
ВекторCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
Источники
https://github.com/zakkanijia/POC/blob/main/giflib/giftool/giflib_giftool_gce_len_heap_oobwrite_disclosure.mdhttps://access.redhat.com/errata/RHSA-2026:33447https://access.redhat.com/errata/RHSA-2026:33450https://access.redhat.com/errata/RHSA-2026:33451https://access.redhat.com/errata/RHSA-2026:33452https://access.redhat.com/errata/RHSA-2026:33455https://access.redhat.com/errata/RHSA-2026:33456https://access.redhat.com/errata/RHSA-2026:33501