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CVE-2024-27929— Use After Free in SixLabors.ImageSharp

Quick assessment

Affected
SixLabors ImageSharp
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

ImageSharp是ImageSharp公司的一种新的、功能齐全、完全托管、跨平台的 2D 图形 API。 ImageSharp v3.1.3之前版本存在安全漏洞，该漏洞源于PngDecoderCore.cs文件的ImageSharp的InitializeImage（）函数存在释放后重用漏洞。

CVSS 7.1 · High EPSS 0.35% · P29

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System
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I. Basic Information for CVE-2024-27929

Vulnerability Information
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Vulnerability Title
Use After Free in SixLabors.ImageSharp
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
释放后使用
Source: CVE Program / CVE List V5
Vulnerability Title
ImageSharp 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ImageSharp是ImageSharp公司的一种新的、功能齐全、完全托管、跨平台的 2D 图形 API。 ImageSharp v3.1.3之前版本存在安全漏洞，该漏洞源于PngDecoderCore.cs文件的ImageSharp的InitializeImage（）函数存在释放后重用漏洞。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
SixLabors ImageSharp >= 3.0.0, < 3.1.3 -

II. Public POCs for CVE-2024-27929

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 7678 chars
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Trigger conditions & impact
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III. Intelligence Information for CVE-2024-27929

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Vendor Advisories for CVE-2024-27929 (1)

IV. Related Vulnerabilities

Same product: ImageSharp
Same vendor: SixLabors
Same weakness: CWE-416