CVE-2020-36277

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    CVE-2020-36277

    Published: 11 Mar 2021Last Modified: 16 Apr 2026

    Summary:

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

    References: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JQUEA2X6UTH4DMYCMZAWE2QQLN5YANUA/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RD5AIWHWE334HGYZJR2U3I3JYKSSO2LW/, https://lists.debian.org/debian-lts-announce/2021/03/msg00037.html, https://security.gentoo.org/glsa/202107-53, https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=21997, https://github.com/DanBloomberg/leptonica/pull/499, https://github.com/DanBloomberg/leptonica/compare/1.79.0...1.80.0

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -1ac72c93fef1a5eb76b76d6723d2aee843dd6e51

    Affected versions

    1.74.0
    1.74.1
    1.74.2
    1.74.3
    1.74.4

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2020-36277 | CVE-DB