CVE-2020-21050

moderate-risk
Published 2021-09-14

Libsixel prior to v1.8.3 contains a stack buffer overflow in the function gif_process_raster at fromgif.c.

Do I need to act?

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0.94% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.5/10 Medium
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Libsixel Project

References (12)

Broken Link https://bitbucket.org/netbsd/pkgsrc/commits/a27113e21179cbfbfae0c35f6a9edd6aa498...
Technical Description https://cwe.mitre.org/data/definitions/121.html
Release Notes https://github.com/saitoha/libsixel/blob/master/ChangeLog
Patch https://github.com/saitoha/libsixel/commit/7808a06b88c11dbc502318cdd51fa374f8cd4...
Exploit https://github.com/saitoha/libsixel/issues/75
Release Notes https://github.com/saitoha/libsixel/releases/tag/v1.8.5
Broken Link https://bitbucket.org/netbsd/pkgsrc/commits/a27113e21179cbfbfae0c35f6a9edd6aa498...
Technical Description https://cwe.mitre.org/data/definitions/121.html
Release Notes https://github.com/saitoha/libsixel/blob/master/ChangeLog
Patch https://github.com/saitoha/libsixel/commit/7808a06b88c11dbc502318cdd51fa374f8cd4...
Exploit https://github.com/saitoha/libsixel/issues/75
Release Notes https://github.com/saitoha/libsixel/releases/tag/v1.8.5
32
/ 100
moderate-risk
Severity 24/34 · High
Exploitability 3/34 · Minimal
Exposure 5/34 · Minimal