Medium severity6.5NVD Advisory· Published Sep 14, 2021· Updated Apr 24, 2026
CVE-2020-21049
CVE-2020-21049
Description
An invalid read in the stb_image.h component of libsixel prior to v1.8.5 allows attackers to cause a denial of service (DOS) via a crafted PSD file.
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Affected products
2Patches
Vulnerability mechanics
References
5- github.com/saitoha/libsixel/commit/0b1e0b3f7b44233f84e5c9f512f8c90d6bbbe33dnvdPatchRelease NotesThird Party Advisory
- github.com/saitoha/libsixel/issues/74nvdExploitIssue TrackingPatchThird Party Advisory
- github.com/saitoha/libsixel/blob/master/ChangeLognvdRelease NotesThird Party Advisory
- github.com/saitoha/libsixel/releases/tag/v1.8.5nvdRelease NotesThird Party Advisory
- bitbucket.org/netbsd/pkgsrc/commits/970a81d31ec7498e04d09b6b7771cef35f63cd28nvdBroken Link
News mentions
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