CVE-2020-21048

medium

Description

An issue in the dither.c component of libsixel prior to v1.8.4 allows attackers to cause a denial of service (DOS) via a crafted PNG file.

References

https://github.com/saitoha/libsixel/releases/tag/v1.8.4

https://github.com/saitoha/libsixel/issues/73

https://github.com/saitoha/libsixel/commit/cb373ab6614c910407c5e5a93ab935144e62b037

https://github.com/saitoha/libsixel/blob/master/ChangeLog

https://bitbucket.org/netbsd/pkgsrc/commits/6f0c011cbfccdffa635d04c84433b1a02687adad

Details

Source: Mitre, NVD

Published: 2021-09-14

Updated: 2021-09-24

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Severity: Medium