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    CVE-2020-36277

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

    Published:Mar 11, 2021
    Last Modified:Nov 21, 2024
    EPS:Mar 11, 2021
    EPSS Score:0.04913
    CVSS Score:7.5

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Leptonica
    Product
    Leptonica
    Vendor
    Linux
    Product
    Linux Kernel

    Exploits

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

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

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

    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