CVE-2026-89156

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    CVE-2026-89156

    Published: 11 Sept 2026Last Modified: 12 Sept 2026

    Summary:

    Details: PCRE2 before 10.48 has a pcre2_match out-of-bounds read after a JIT fallback when an attacker can provide invalid UTF data.

    References: https://github.com/PCRE2Project/pcre2/releases/tag/pcre2-10.48, https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89156.json, https://github.com/PCRE2Project/pcre2/security/advisories/GHSA-2p8c-ff85-vh9x, https://nvd.nist.gov/vuln/detail/CVE-2026-89156

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 031c07cc61696b69038ccfd61ebb90c50d8e3357
    Fixed -7978954dbd2efc6f2196869290553cf1871b4ce6

    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
    CVE-2026-89156 | CVE-DB