JLSEC-2025-175

    Dashboard / Vulnerabilities / JLSEC-2025-175

    JLSEC-2025-175

    Published: 21 Oct 2025Last Modified: 23 Jul 2026
    Upstream:
    CVE-2023-25193

    Summary: hb-ot-layout-gsubgpos.hh in HarfBuzz through 6.0.0 allows attackers to trigger O(n^2) growth via...

    Details: hb-ot-layout-gsubgpos.hh in HarfBuzz through 6.0.0 allows attackers to trigger O(n^2) growth via consecutive marks during the process of looking back for base glyphs when attaching marks.

    References: https://chromium.googlesource.com/chromium/src/+/e1f324aa681af54101c1f2d173d92adb80e37088/DEPS#361, https://github.com/harfbuzz/harfbuzz/blob/2822b589bc837fae6f66233e2cf2eef0f6ce8470/src/hb-ot-layout-gsubgpos.hh, https://github.com/harfbuzz/harfbuzz/commit/85be877925ddbf34f74a1229f3ca1716bb6170dc, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KWCHWSICWVZSAXP2YAXM65JC2GR53547/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZ5M2GSAIHFPLHYJXUPQ2QDJCLWXUGO3/, https://security.netapp.com/advisory/ntap-20230725-0006/

    Affected packages

    Package

    Name: HarfBuzz_ICU_jll

    Purl: pkg:julia/HarfBuzz_ICU_jll?uuid=655565e8-fb53-5cb3-b0cd-aec1ca0647ea

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 0
    Fixed -8.5.0+0

    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
    JLSEC-2025-175 | CVE-DB