DEBIAN-CVE-2009-0749

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    DEBIAN-CVE-2009-0749

    Published: 2 Mar 2009Last Modified: 1 Sept 2026
    Upstream:
    CVE-2009-0749

    Summary:

    Details: Use-after-free vulnerability in the GIFReadNextExtension function in lib/pngxtern/gif/gifread.c in OptiPNG 0.6.2 and earlier allows context-dependent attackers to cause a denial of service (application crash) via a crafted GIF image that causes the realloc function to return a new pointer, which triggers memory corruption when the old pointer is accessed.

    References: https://security-tracker.debian.org/tracker/CVE-2009-0749

    Affected packages

    Package

    Name: optipng

    Purl: pkg:deb/debian/optipng?arch=source&distro=bookworm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -0.6.2.1-1

    Affected versions

    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