CVE-2024-27929
Use After Free in SixLabors.ImageSharp
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Use After Free in SixLabors.ImageSharp
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.
- Record
CVE-2024-27929- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H - Weakness
- CWE-416
- Updated
- 2026-11-02
EUVDEUVD-2024-0840
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.
- Record
EUVD-2024-0840- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-65x7-c272-7g7r
Use After Free in SixLabors.ImageSharp
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
- Record
GHSA-65x7-c272-7g7r- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H - Weakness
- CWE-416
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2024-27929- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H - Weakness
- CWE-416
- Updated
- 2026-11-02
OSV
Use After Free in SixLabors.ImageSharp
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.
- Record
CVE-2024-27929- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H - Weakness
- CWE-416
- Updated
- 2026-11-02
OSVGHSA-65x7-c272-7g7r
Use After Free in SixLabors.ImageSharp
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
- Record
GHSA-65x7-c272-7g7r- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H - Weakness
- CWE-416
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
SixLabors.ImageSharpNuGet |
3.0.0 up to 3.1.3 | 3.1.3 |
SixLabors.ImageSharpNuGet |
before 2.1.7 | 2.1.7 |
SixLabors.ImageSharpNuGet |
3.0.0 up to 3.1.3, plus listed versions 3.0.13.0.23.1.03.1.13.1.2 |
3.1.3 |
SixLabors.ImageSharpNuGet |
before 2.1.7, plus listed versions 1.0.01.0.0-beta00011.0.0-beta00021.0.0-beta00031.0.0-beta0004 Show 18 moreShow less1.0.0-beta00051.0.0-beta00061.0.0-beta00071.0.0-rc00011.0.0-rc00021.0.0-rc00031.0.11.0.21.0.31.0.42.0.02.1.02.1.12.1.22.1.32.1.42.1.52.1.6 |
2.1.7 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2024-27929 is a high vulnerability (CVSS 7.1) in Sixlabors Imagesharp, published March 5, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.35%, the 29th percentile. Fixed in SixLabors.ImageSharp 3.1.3.
References
github.com/SixLabors/ImageSharp/security/advisories/GHSA-65x7-c272-7g7r
nvd.nist.gov/vuln/detail/CVE-2024-27929