CVE-2020-36277 Information

Description

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

CVSS Vector

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

Reference

https://github.com/DanBloomberg/leptonica/compare/1.79.0…1.80.0 https://github.com/DanBloomberg/leptonica/pull/499 https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=21997 https://lists.debian.org/debian-lts-announce/2021/03/msg00037.html https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JQUEA2X6UTH4DMYCMZAWE2QQLN5YANUA/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RD5AIWHWE334HGYZJR2U3I3JYKSSO2LW/ https://security.gentoo.org/glsa/202107-53

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5