High severity8.8NVD Advisory· Published Apr 8, 2022· Updated Apr 24, 2026
CVE-2021-40656
CVE-2021-40656
Description
libsixel before 1.10 is vulnerable to Buffer Overflow in libsixel/src/quant.c:867.
Affected products
1Patches
1fb329124fd4bVulnerability mechanics
Generated by null/stub on May 9, 2026. Inputs: CWE entries + fix-commit diffs from this CVE's patches. Citations validated against bundle.
References
1- github.com/libsixel/libsixel/issues/25nvdExploitIssue TrackingThird Party Advisory
News mentions
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