CVSS 3.1
Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)
Атакува се
Време до експлоатация
Атакува се по мрежата, без особени условия, без вход и след действие от потребителя.
- Експлоатация: няма данни за експлоатация
- Атаката не може да се автоматизира
Описание
Оригинално описание
libheif is a HEIF and AVIF file format decoder and encoder. Versions 1.21.2 and prior contain a heap-buffer-overflow (write) vulnerability in the grid tile compositing, allowing an attacker to write 64 bytes of fully attacker-controlled data past the end of a chroma plane heap allocation by crafting a HEIF/AVIF file with a 1×4 grid of odd-height tiles. The overflow is triggered during normal image decoding with default build configuration. The written bytes are chroma (Cb/Cr) pixel values from the attacking tile, giving the attacker full control over the overflow content. This issue has been fixed in version 1.22.0.
Засегнати продукти
- strukturag libheif: < 1.22.0
- Red Hat Red Hat Enterprise Linux 10
Вид слабост
История
- 19 май 2026 Публикувано
Други уязвимости в strukturag libheif
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-32740
- https://nvd.nist.gov/vuln/detail/CVE-2026-32740
- https://github.com/strukturag/libheif/security/advisories/GHSA-frfr-f3vg-2g6j
- https://github.com/strukturag/libheif/releases/tag/v1.22.0
- https://access.redhat.com/security/cve/CVE-2026-32740
- https://bugzilla.redhat.com/show_bug.cgi?id=2479969
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-32740.json