UBUNTU-CVE-2021-3496

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    UBUNTU-CVE-2021-3496

    Published: 22 Apr 2021Last Modified: 4 Feb 2026
    Upstream:
    CVE-2021-3496
    Aliases:
    USN-6110-1

    Summary:

    Details: A heap-based buffer overflow was found in jhead in version 3.06 in Get16u() in exif.c when processing a crafted file.

    References: https://ubuntu.com/security/CVE-2021-3496, https://github.com/Matthias-Wandel/jhead/issues/33, https://ubuntu.com/security/notices/USN-6110-1, https://www.cve.org/CVERecord?id=CVE-2021-3496

    Affected packages

    Package

    Name: jhead

    Purl: pkg:deb/ubuntu/jhead@1:2.97-1+deb8u2ubuntu0.1~esm3?arch=source&distro=trusty/esm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1:2.97-1+deb8u2ubuntu0.1~esm3

    Affected versions

    1:2.97-1

    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
    UBUNTU-CVE-2021-3496 | CVE-DB