Vulnerability Description
An invalid read in the stb_image.h component of libsixel prior to v1.8.5 allows attackers to cause a denial of service (DOS) via a crafted PSD 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 | < 1.8.5 |
Related Weaknesses (CWE)
References
- https://bitbucket.org/netbsd/pkgsrc/commits/970a81d31ec7498e04d09b6b7771cef35f63Broken Link
- https://github.com/saitoha/libsixel/blob/master/ChangeLogRelease NotesThird Party Advisory
- https://github.com/saitoha/libsixel/commit/0b1e0b3f7b44233f84e5c9f512f8c90d6bbbePatchRelease NotesThird Party Advisory
- https://github.com/saitoha/libsixel/issues/74ExploitIssue TrackingPatch
- https://github.com/saitoha/libsixel/releases/tag/v1.8.5Release NotesThird Party Advisory
- https://bitbucket.org/netbsd/pkgsrc/commits/970a81d31ec7498e04d09b6b7771cef35f63Broken Link
- https://github.com/saitoha/libsixel/blob/master/ChangeLogRelease NotesThird Party Advisory
- https://github.com/saitoha/libsixel/commit/0b1e0b3f7b44233f84e5c9f512f8c90d6bbbePatchRelease NotesThird Party Advisory
- https://github.com/saitoha/libsixel/issues/74ExploitIssue TrackingPatch
- https://github.com/saitoha/libsixel/releases/tag/v1.8.5Release NotesThird Party Advisory
FAQ
What is CVE-2020-21049?
CVE-2020-21049 is a vulnerability with a CVSS score of 6.5 (MEDIUM). An invalid read in the stb_image.h component of libsixel prior to v1.8.5 allows attackers to cause a denial of service (DOS) via a crafted PSD file.
How severe is CVE-2020-21049?
CVE-2020-21049 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-2020-21049?
Check the references section above for vendor advisories and patch information. Affected products include: Saitoha Libsixel.