CVE-2020-36277

moderate-risk
Published 2021-03-11

Leptonica before 1.80.0 allows a denial of service (application crash) via an incorrect left shift in pixConvert2To8 in pixconv.c.

Do I need to act?

~
4.0% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (4)

Leptonica

Affected Vendors

Debian Fedoraproject Leptonica

References (14)

Exploit https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=21997
Patch https://github.com/DanBloomberg/leptonica/compare/1.79.0...1.80.0
Patch https://github.com/DanBloomberg/leptonica/pull/499
Mailing List https://lists.debian.org/debian-lts-announce/2021/03/msg00037.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...
Third Party Advisory https://security.gentoo.org/glsa/202107-53
Exploit https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=21997
Patch https://github.com/DanBloomberg/leptonica/compare/1.79.0...1.80.0
Patch https://github.com/DanBloomberg/leptonica/pull/499
Mailing List https://lists.debian.org/debian-lts-announce/2021/03/msg00037.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...
Third Party Advisory https://security.gentoo.org/glsa/202107-53
43
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 7/34 · Low
Exposure 10/34 · Low