Vulnerability · Published Sep 14, 2021 · Assigned by mitre
CVE-2020-21050
Medium 6.5
In plain English
A medium-severity security flaw in the libsixel package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.6% (higher than 75% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)6.5Medium
Exploit odds (30 days)1.6%top 24.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Libsixel prior to v1.8.3 contains a stack buffer overflow in the function gif_process_raster at fromgif.c.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | libsixel | 1.8.6-1 | DEBIAN-CVE-2020-21050 |
| Debian:13 | libsixel | 1.8.6-1 | DEBIAN-CVE-2020-21050 |
| Debian:14 | libsixel | 1.8.6-1 | DEBIAN-CVE-2020-21050 |
Affected products (as reported)
References
- https://cwe.mitre.org/data/definitions/121.html x_refsource_MISC
- https://github.com/saitoha/libsixel/blob/master/ChangeLog x_refsource_MISC
- https://github.com/saitoha/libsixel/releases/tag/v1.8.5 x_refsource_MISC
- https://github.com/saitoha/libsixel/issues/75 x_refsource_MISC
- https://github.com/saitoha/libsixel/commit/7808a06b88c11dbc502318cdd51fa374f8cd47ee x_refsource_MISC
- https://bitbucket.org/netbsd/pkgsrc/commits/a27113e21179cbfbfae0c35f6a9edd6aa498faae x_refsource_MISC