USN-7852-2

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    USN-7852-2

    Published: 27 Nov 2025Last Modified: 25 Jun 2026

    Summary: libxml2 vulnerability

    Details: USN-7582-1 fixed a vulnerability in libxml2. This update provides the corresponding fix for Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. Original advisory details: It was discovered that libxslt, used by libxml2, incorrectly handled certain attributes. An attacker could use this issue to cause a crash, resulting in a denial of service, or possibly execute arbitrary code. This update adds a fix to libxml2 to mitigate the libxslt vulnerability.

    References: https://ubuntu.com/security/notices/USN-7852-2, https://ubuntu.com/security/CVE-2025-7425

    Affected packages

    Package

    Name: libxml2

    Purl: pkg:deb/ubuntu/libxml2?arch=source&distro=esm-infra%2Fxenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.9.3+dfsg1-1ubuntu0.7+esm11

    Affected versions

    2.9.2+zdfsg1-4
    2.9.2+zdfsg1-4ubuntu1
    2.9.2+zdfsg1-4ubuntu2
    2.9.2+zdfsg1-4ubuntu3
    2.9.3+dfsg1-1
    2.9.3+dfsg1-1ubuntu0.1
    2.9.3+dfsg1-1ubuntu0.2
    2.9.3+dfsg1-1ubuntu0.3
    2.9.3+dfsg1-1ubuntu0.4
    2.9.3+dfsg1-1ubuntu0.5
    2.9.3+dfsg1-1ubuntu0.6
    2.9.3+dfsg1-1ubuntu0.7
    2.9.3+dfsg1-1ubuntu0.7+esm1
    2.9.3+dfsg1-1ubuntu0.7+esm2
    2.9.3+dfsg1-1ubuntu0.7+esm3
    2.9.3+dfsg1-1ubuntu0.7+esm4
    2.9.3+dfsg1-1ubuntu0.7+esm5
    2.9.3+dfsg1-1ubuntu0.7+esm6
    2.9.3+dfsg1-1ubuntu0.7+esm7
    2.9.3+dfsg1-1ubuntu0.7+esm8
    2.9.3+dfsg1-1ubuntu0.7+esm9
    2.9.3+dfsg1-1ubuntu0.7+esm10

    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
    USN-7852-2 | CVE-DB