CVE-2020-21050

Public Exploit

Description

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

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.75% Top 30%
Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://cwe.mitre.org/data/definitions/121.html technical description
https://github.com/saitoha/libsixel/blob/master/ChangeLog third party advisory release notes
https://github.com/saitoha/libsixel/releases/tag/v1.8.5 third party advisory release notes
https://github.com/saitoha/libsixel/issues/75 issue tracking patch exploit third party advisory
https://github.com/saitoha/libsixel/commit/7808a06b88c11dbc502318cdd51fa374f8cd47ee third party advisory patch
https://bitbucket.org/netbsd/pkgsrc/commits/a27113e21179cbfbfae0c35f6a9edd6aa498faae broken link

Frequently Asked Questions

What is the severity of CVE-2020-21050?
CVE-2020-21050 has been scored as a medium severity vulnerability.
How to fix CVE-2020-21050?
To fix CVE-2020-21050, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-21050 being actively exploited in the wild?
It is possible that CVE-2020-21050 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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