CVEvulnerability
CVE-2020-21048
6.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2021-09-14
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 4.3 MEDIUM — AV:N/AC:M/Au:N/C:N/I:N/A:P
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.
Affected configurations
• saitoha libsixel (< 1.8.4)
References
- https://bitbucket.org/netbsd/pkgsrc/commits/6f0c011cbfccdffa635d04c84433b1a02687adad Broken Link
- https://github.com/saitoha/libsixel/blob/master/ChangeLog Release Notes, Third Party Advisory
- https://github.com/saitoha/libsixel/commit/cb373ab6614c910407c5e5a93ab935144e62b037 Patch, Third Party Advisory
- https://github.com/saitoha/libsixel/issues/73 Exploit, Issue Tracking, Patch, Third Party Advisory
- https://github.com/saitoha/libsixel/releases/tag/v1.8.4 Release Notes, Third Party Advisory
- https://bitbucket.org/netbsd/pkgsrc/commits/6f0c011cbfccdffa635d04c84433b1a02687adad Broken Link
- https://github.com/saitoha/libsixel/blob/master/ChangeLog Release Notes, Third Party Advisory
- https://github.com/saitoha/libsixel/commit/cb373ab6614c910407c5e5a93ab935144e62b037 Patch, Third Party Advisory
- https://github.com/saitoha/libsixel/issues/73 Exploit, Issue Tracking, Patch, Third Party Advisory
- https://github.com/saitoha/libsixel/releases/tag/v1.8.4 Release Notes, Third Party Advisory