Medium severity6.5NVD Advisory· Published Jan 25, 2022· Updated Apr 24, 2026

CVE-2021-45340

Description

In Libsixel prior to and including v1.10.3, a NULL pointer dereference in the stb_image.h component of libsixel allows attackers to cause a denial of service (DOS) via a crafted PICT file.

Affected products

Saitoha/Libsixel
cpe:2.3:a:libsixel:libsixel:*:*:*:*:*:*:*:*
Range: <=1.10.3

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

github.com/libsixel/libsixel/issues/51nvdExploitIssue TrackingPatchThird Party Advisory

News mentions

No linked articles in our index yet.

cvss	0.423
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000