Use After Free in SixLabors.ImageSharp

高 7.1CVE-2024-27929 · GHSA-65x7-c272-7g7r · 05/03/2024 公開 · 17/06/2026 更新

要点

CVE-2024-27929 は SixLabors.ImageSharp, imagesharp (sixlabors) に影響する深刻度「高」 (CVSS 7.1) の脆弱性です。
今後30日間に悪用される確率（EPSS）：0.35%（全脆弱性の 29.0% より高い）。
対処：3.1.3, 2.1.7 以降に更新してください。

パッケージ	影響を受けるバージョン	修正済みバージョン
SixLabors.ImageSharp NuGet	`≥ 3.0.0, < 3.1.3< 2.1.7`	`3.1.32.1.7`
imagesharp sixlabors	`≥ 3.1.0, < 3.1.3< 2.1.7`	`3.1.32.1.7`

概要

Impact

A heap-use-after-free flaw was found in ImageSharp's InitializeImage() function of PngDecoderCore.cs file. This vulnerability is triggered when an attacker passes a specially crafted PNG image file to ImageSharp for conversion, potentially leading to information disclosure.

Patches

The problem has been patched. All users are advised to upgrade to v3.1.3 or v2.1.7.

Workarounds

None

References

None

NVD の説明

ImageSharp is a managed, cross-platform, 2D graphics library. A heap-use-after-free flaw was found in ImageSharp's InitializeImage() function of PngDecoderCore.cs file. This vulnerability is triggered when an attacker passes a specially crafted PNG image file to ImageSharp for conversion, potentially leading to information disclosure. This issue has been patched in versions 3.1.3 and 2.1.7.