TI-2024-21127 Aliases CVE-2024-32036 GHSA-5x7m-6737-26cr

SixLabors.ImageSharp vulnerable to data leakage

LOW 30CWE-226Published 2024-04-15 · Updated 2024-08-02

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: High · None · None
Fix status: Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub.

Summary

ImageSharp is a 2D graphics API. A data leakage flaw was found in ImageSharp's JPEG and TGA decoders. This vulnerability is triggered when an attacker passes a specially crafted JPEG or TGA image file to a software using ImageSharp, potentially disclosing sensitive information from other parts of the software in the resulting image buffer. The problem has been patched in v3.1.4 and v2.1.8.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00575 47th percentileScored 2026-11-07

Fix Fixed ImageSharp (SixLabors): 2.1.8, 3.1.4SixLabors.ImageSharp (NuGet): 2.1.8, 3.1.4

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
SixLabors	ImageSharp	before 2.1.8; 3.0.0 to before 3.1.4	2.1.8, 3.1.4	Patch available	CNA
—	SixLabors.ImageSharp (NuGet)	before 2.1.8	2.1.8	Patch available	GHSA-5x7m-6737-26cr
—	SixLabors.ImageSharp (NuGet)	3.0.0 to before 3.1.4	3.1.4	Patch available	GHSA-5x7m-6737-26cr

ImageSharp VendorSixLabors Affected before 2.1.8; 3.0.0 to before 3.1.4 Fixed in 2.1.8, 3.1.4 Patch available CNA
SixLabors.ImageSharp (NuGet) Vendor— Affected before 2.1.8 Fixed in 2.1.8 Patch available GHSA-5x7m-6737-26cr
SixLabors.ImageSharp (NuGet) Vendor— Affected 3.0.0 to before 3.1.4 Fixed in 3.1.4 Patch available GHSA-5x7m-6737-26cr

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:sixlabors:imagesharp::::::::	before 2.1.8; 3.0.0 to before 3.1.4	Vulnerable	SixLabors

cpe:2.3:a:sixlabors:imagesharp:*:*:*:*:*:*:*:* Versions before 2.1.8; 3.0.0 to before 3.1.4 Vulnerable ·SixLabors

Remediation

Fix · CNA ImageSharp (SixLabors) Fixed in 2.1.8, 3.1.4
Fix · GHSA-5x7m-6737-26cr SixLabors.ImageSharp (NuGet) Fixed in 2.1.8 Advisory →
Fix · GHSA-5x7m-6737-26cr SixLabors.ImageSharp (NuGet) Fixed in 3.1.4 Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2024-32036
2026-10-03 Alias added: GHSA-5x7m-6737-26cr

References

Patch 2

Advisory 2

Other 1

https://github.com/SixLabors/ImageSharp

TI-2026-68636 Out-of-bounds write in ImageSharp CCITT fax decompression CVSS 3.1HIGH 7.5
TI-2026-68634 Out-of-bounds write in ImageSharp TIFF CCITT Group 4 encoder CVSS 3.1HIGH 7.5
TI-2026-68629 Out-of-bounds write in ImageSharp TIFF CCITT encoder CVSS 3.1HIGH 7.5
TI-2025-20408 Out-of-bounds Write in SixLabors ImageSharp CVSS 3.1HIGH 7.5
TI-2026-68635 ImageSharp BigTIFF IFD count can keep a decoder thread in a non-progressing loop CVSS 3.1MEDIUM 5.3
TI-2026-68633 Excessive memory allocation in ImageSharp ICC CLUT parsing CVSS 3.1MEDIUM 5.3

See all 13 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences