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    CVE-2020-36279

    Leptonica before 1.80.0 allows a heap-based buffer over-read in rasteropGeneralLow, related to adaptmap_reg.c and adaptmap.c.

    Published:Mar 12, 2021
    Last Modified:Nov 21, 2024
    EPS:Mar 12, 2021
    EPSS Score:0.03115
    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=22512https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=22512

    Common Weakness Enumeration

    CWE-125 Out-of-bounds Read

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-540 Overread Buffers

    Related CVEs

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    CVE-2026-49975 (CVSS 7.5) — Memory Allocation with Excessive Size Value vulnerability in Apache HTTP Server's mod_http leads to denial of …
    CVE-2026-9256 (CVSS 9.2) — NGINX Plus and NGINX Open Source have a vulnerability in the ngx_http_rewrite_module module. This vulnerabilit…
    CVE-2026-31431 (CVSS 7.8) — In the Linux kernel, the following vulnerability has been resolved: crypto: algif_aead - Revert to operating …
    CVE-2026-34757 (CVSS 5.1) — LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network …
    CVE-2026-4775 (CVSS 7.8) — A flaw was found in the libtiff library. A remote attacker could exploit a signed integer overflow vulnerabili…
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    References

    https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=22512
    https://github.com/DanBloomberg/leptonica/commit/3c18c43b6a3f753f0dfff99610d46ad46b8bfac4
    https://github.com/DanBloomberg/leptonica/compare/1.79.0...1.80.0
    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=22512
    https://github.com/DanBloomberg/leptonica/commit/3c18c43b6a3f753f0dfff99610d46ad46b8bfac4
    https://github.com/DanBloomberg/leptonica/compare/1.79.0...1.80.0
    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