What is CVE-2025-27598?

CVE-2025-27598 is a high-severity vulnerability in Sixlabors Imagesharp, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2025-03-06.

How severe is CVE-2025-27598?

High severity. CVSS v3 base score is 7.5 out of 10.

Buffer overflow in Sixlabors Imagesharp

CVE-2025-27598

ImageSharp is a 2D graphics API. An Out-of-bounds Write vulnerability has been found in the ImageSharp gif decoder, allowing attackers to cause a crash using a specially crafted gif. This can potentially lead to denial of service. The prob…

Vulnerability class: Buffer Overflow

EPSS: 0.004 (57.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Sixlabors Imagesharp — versions < 2.1.10, >= 3.0.0, < 3.1.7

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

https://github.com/SixLabors/ImageSharp/security/advisories/GHSA-2cmq-823j-5qj8 (x_refsource_CONFIRM)
https://github.com/SixLabors/ImageSharp/issues/2859 (x_refsource_MISC)
https://github.com/SixLabors/ImageSharp/pull/2890 (x_refsource_MISC)

Frequently asked questions

What is CVE-2025-27598?: CVE-2025-27598 is a high-severity vulnerability in Sixlabors Imagesharp, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2025-03-06.
How severe is CVE-2025-27598?: High severity. CVSS v3 base score is 7.5 out of 10.