CVE-2020-36277

high

Description

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

References

Advisories
More

https://security.gentoo.org/glsa/202107-53

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RD5AIWHWE334HGYZJR2U3I3JYKSSO2LW/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JQUEA2X6UTH4DMYCMZAWE2QQLN5YANUA/

https://lists.debian.org/debian-lts-announce/2021/03/msg00037.html

https://github.com/DanBloomberg/leptonica/pull/499

https://github.com/DanBloomberg/leptonica/compare/1.79.0...1.80.0

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=21997

Details

Source: Mitre, NVD

Published: 2021-03-11

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High

EPSS

EPSS: 0.03411