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    CVE-2020-27818

    A flaw was found in the check_chunk_name() function of pngcheck-2.4.0. An attacker able to pass a malicious file to be processed by pngcheck could cause a temporary denial of service, posing a low risk to application availability.

    Published:Dec 8, 2020
    Last Modified:Nov 21, 2024
    EPS:Dec 8, 2020
    EPSS Score:0.00163
    CVSS Score:3.3

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Fedoraproject
    Product
    Extra Packages For Enterprise Linux
    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Libpng
    Product
    Pngcheck

    Exploits

    https://github.com/13m0n4de/pngcheck-vulns

    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://bodhi.fedoraproject.org/updates/FEDORA-2020-04d5e1ce26
    https://bodhi.fedoraproject.org/updates/FEDORA-2020-23432b7b72
    https://bodhi.fedoraproject.org/updates/FEDORA-2020-27b168926a
    https://bodhi.fedoraproject.org/updates/FEDORA-2020-4349e95c4f
    https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2020-339db397ad
    https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2020-6c93c61069
    https://bugzilla.redhat.com/show_bug.cgi?id=1902011
    https://lists.debian.org/debian-lts-announce/2022/05/msg00043.html
    https://bodhi.fedoraproject.org/updates/FEDORA-2020-04d5e1ce26
    https://bodhi.fedoraproject.org/updates/FEDORA-2020-23432b7b72
    https://bodhi.fedoraproject.org/updates/FEDORA-2020-27b168926a
    https://bodhi.fedoraproject.org/updates/FEDORA-2020-4349e95c4f
    https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2020-339db397ad
    https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2020-6c93c61069
    https://bugzilla.redhat.com/show_bug.cgi?id=1902011
    https://lists.debian.org/debian-lts-announce/2022/05/msg00043.html

    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