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CVE-2026-40492

Опубликовано: 18 апр. 2026
Источник: ubuntu
Приоритет: medium
EPSS Низкий
CVSS3: 9.8

Описание

SAIL is a cross-platform library for loading and saving images with support for animation, metadata, and ICC profiles. Prior to commit 36aa5c7ec8a2bb35f6fb867a1177a6f141156b02, the XWD codec resolves pixel format based on pixmap_depth but the byte-swap code uses bits_per_pixel independently. When pixmap_depth=8 (BPP8_INDEXED, 1 byte/pixel buffer) but bits_per_pixel=32, the byte-swap loop accesses memory as uint32_t*, reading/writing 4x the allocated buffer size. This is a different vulnerability from the previously reported GHSA-3g38-x2pj-mv55 (CVE-2026-27168), which addressed bytes_per_line validation. Commit 36aa5c7ec8a2bb35f6fb867a1177a6f141156b02 contains a patch.

РелизСтатусПримечание
devel

needs-triage

esm-apps/noble

needs-triage

esm-apps/resolute

needs-triage

jammy

DNE

noble

needs-triage

questing

ignored

end of life, was needs-triage
resolute

needs-triage

upstream

needs-triage

Показывать по

EPSS

Процентиль: 26%
0.00332
Низкий

9.8 Critical

CVSS3

Связанные уязвимости

CVSS3: 9.8
nvd
4 месяца назад

SAIL is a cross-platform library for loading and saving images with support for animation, metadata, and ICC profiles. Prior to commit 36aa5c7ec8a2bb35f6fb867a1177a6f141156b02, the XWD codec resolves pixel format based on `pixmap_depth` but the byte-swap code uses `bits_per_pixel` independently. When `pixmap_depth=8` (BPP8_INDEXED, 1 byte/pixel buffer) but `bits_per_pixel=32`, the byte-swap loop accesses memory as `uint32_t*`, reading/writing 4x the allocated buffer size. This is a different vulnerability from the previously reported GHSA-3g38-x2pj-mv55 (CVE-2026-27168), which addressed `bytes_per_line` validation. Commit 36aa5c7ec8a2bb35f6fb867a1177a6f141156b02 contains a patch.

CVSS3: 9.8
debian
4 месяца назад

SAIL is a cross-platform library for loading and saving images with su ...

EPSS

Процентиль: 26%
0.00332
Низкий

9.8 Critical

CVSS3