UBUNTU-CVE-2026-120432

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    UBUNTU-CVE-2026-120432

    Published: 2 Nov 2026Last Modified: 5 Nov 2026
    Upstream:
    CVE-2026-120432

    Summary:

    Details: Netpbm before 10.86.51, 11.02.30, and 11.15.08 contains an integer overflow vulnerability in winicontopam that allows attackers to corrupt heap memory via oversized ICO/CUR dimensions. Attackers can supply a crafted icon file with width or height above 32767, wrapping int16_t loop counters into negative row buffer indices to cause crashes or potential code execution.

    References: https://ubuntu.com/security/CVE-2026-120432, https://www.cve.org/CVERecord?id=CVE-2026-120432, https://sourceforge.net/p/netpbm/code/5335/, https://svn.code.sf.net/p/netpbm/code/!svn/bc/5334/trunk/converter/other/winicontopam.c, https://svn.code.sf.net/p/netpbm/code/!svn/bc/5357/advanced/doc/HISTORY, https://svn.code.sf.net/p/netpbm/code/!svn/bc/5358/stable/doc/HISTORY, https://svn.code.sf.net/p/netpbm/code/!svn/bc/5371/super_stable/doc/HISTORY, https://www.vulncheck.com/advisories/netpbm-before-10.86.51-11.02.30-and-11.15.08-integer-overflow-in-winicontopam

    Affected packages

    Package

    Name: netpbm-free

    Purl: pkg:deb/ubuntu/netpbm-free?arch=source&distro=xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    2:10.0-15.2
    2:10.0-15.3

    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-2026-120432 | CVE-DB