Vulnerability 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.
CVSS Score
6.5
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Saitoha | Libsixel | < 1.8.4 |
References
- https://bitbucket.org/netbsd/pkgsrc/commits/6f0c011cbfccdffa635d04c84433b1a02687Broken Link
- https://github.com/saitoha/libsixel/blob/master/ChangeLogRelease NotesThird Party Advisory
- https://github.com/saitoha/libsixel/commit/cb373ab6614c910407c5e5a93ab935144e62bPatchThird Party Advisory
- https://github.com/saitoha/libsixel/issues/73ExploitIssue TrackingPatch
- https://github.com/saitoha/libsixel/releases/tag/v1.8.4Release NotesThird Party Advisory
- https://bitbucket.org/netbsd/pkgsrc/commits/6f0c011cbfccdffa635d04c84433b1a02687Broken Link
- https://github.com/saitoha/libsixel/blob/master/ChangeLogRelease NotesThird Party Advisory
- https://github.com/saitoha/libsixel/commit/cb373ab6614c910407c5e5a93ab935144e62bPatchThird Party Advisory
- https://github.com/saitoha/libsixel/issues/73ExploitIssue TrackingPatch
- https://github.com/saitoha/libsixel/releases/tag/v1.8.4Release NotesThird Party Advisory
FAQ
What is CVE-2020-21048?
CVE-2020-21048 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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.
How severe is CVE-2020-21048?
CVE-2020-21048 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-21048?
Check the references section above for vendor advisories and patch information. Affected products include: Saitoha Libsixel.