UBUNTU-CVE-2026-17544

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    UBUNTU-CVE-2026-17544

    Published: 30 Jul 2026Last Modified: 10 Sept 2026
    Upstream:
    CVE-2026-17544
    Aliases:
    USN-8743-1

    Summary:

    Details: Attacker-provided inputs to bccomp() could lead to an out-of-bounds write with stack and heap corruption in PHP versions from 8.4.* before 8.4.24 and from 8.5.* before 8.5.9.

    References: https://ubuntu.com/security/CVE-2026-17544, https://www.cve.org/CVERecord?id=CVE-2026-17544, https://github.com/php/php-src/security/advisories/GHSA-x692-q9x7-8c3f, https://ubuntu.com/security/notices/USN-8743-1

    Affected packages

    Package

    Name: php8.5

    Purl: pkg:deb/ubuntu/php8.5?arch=source&distro=resolute

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -8.5.4-0ubuntu1.3

    Affected versions

    8.5.2-0ubuntu1
    8.5.4-0ubuntu1
    8.5.4-0ubuntu1.1
    8.5.4-0ubuntu1.2

    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-2026-17544 | CVE-DB