Vulnerability Description
Leptonica before 1.80.0 allows a denial of service (application crash) via an incorrect left shift in pixConvert2To8 in pixconv.c.
CVSS Score
7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Leptonica | Leptonica | < 1.80.0 |
| Linux | Linux Kernel | - |
| Fedoraproject | Fedora | 32 |
| Debian | Debian Linux | 9.0 |
Related Weaknesses (CWE)
References
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=21997ExploitIssue TrackingThird Party Advisory
- https://github.com/DanBloomberg/leptonica/compare/1.79.0...1.80.0PatchRelease NotesThird Party Advisory
- https://github.com/DanBloomberg/leptonica/pull/499PatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/03/msg00037.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://security.gentoo.org/glsa/202107-53Third Party Advisory
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=21997ExploitIssue TrackingThird Party Advisory
- https://github.com/DanBloomberg/leptonica/compare/1.79.0...1.80.0PatchRelease NotesThird Party Advisory
- https://github.com/DanBloomberg/leptonica/pull/499PatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/03/msg00037.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://security.gentoo.org/glsa/202107-53Third Party Advisory
FAQ
What is CVE-2020-36277?
CVE-2020-36277 is a vulnerability with a CVSS score of 7.5 (HIGH). Leptonica before 1.80.0 allows a denial of service (application crash) via an incorrect left shift in pixConvert2To8 in pixconv.c.
How severe is CVE-2020-36277?
CVE-2020-36277 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-36277?
Check the references section above for vendor advisories and patch information. Affected products include: Leptonica Leptonica, Linux Linux Kernel, Fedoraproject Fedora, Debian Debian Linux.