What is CVE-2026-27168?

CVE-2026-27168 is a high-severity vulnerability in Happyseafox Sail, classified under Heap-based Buffer Overflow. CVSS score: 8.8/10. Published 2026-02-20.

How severe is CVE-2026-27168?

High severity. CVSS v3 base score is 8.8 out of 10.

Buffer overflow in Happyseafox Sail

CVE-2026-27168

SAIL is a cross-platform library for loading and saving images with support for animation, metadata, and ICC profiles. All versions are vulnerable to Heap-based Buffer Overflow through the XWD parser's use of the bytes_per_line value. The…

Vulnerability class: Buffer Overflow

EPSS: 0.001 (21.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Happyseafox Sail — versions <= 0.9.10

Weakness classification (CWE)

CWE-122 — Heap-based Buffer Overflow

References

https://github.com/HappySeaFox/sail/security/advisories/GHSA-3g38-x2pj-mv55 (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-27168?: CVE-2026-27168 is a high-severity vulnerability in Happyseafox Sail, classified under Heap-based Buffer Overflow. CVSS score: 8.8/10. Published 2026-02-20.
How severe is CVE-2026-27168?: High severity. CVSS v3 base score is 8.8 out of 10.