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    CVE-2026-0943

    HarfBuzz::Shaper versions before 0.032 for Perl contains a bundled library with a null pointer dereference vulnerability.  Versions before 0.032 contain HarfBuzz 8.4.0 or earlier bundled as hb_src.tar.gz in the source tarball, which is affected by CVE-2026-22693.

    Published:Jan 19, 2026
    Last Modified:Apr 18, 2026
    EPS:Jan 19, 2026
    EPSS Score:0.00141
    CVSS Score:7.5

    Affected Products

    Vendor
    Harfbuzz Project
    Product
    Harfbuzz
    Vendor
    Jv
    Product
    Harfbuzz\

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-22693 (CVSS 5.3) — HarfBuzz is a text shaping engine. Prior to version 12.3.0, a null pointer dereference vulnerability exists in…
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    CVE-2022-33068 (CVSS 5.5) — An integer overflow in the component hb-ot-shape-fallback.cc of Harfbuzz v4.3.0 allows attackers to cause a De…
    CVE-2021-45931 (CVSS 6.5) — HarfBuzz 2.9.0 has an out-of-bounds write in hb_bit_set_invertible_t::set (called from hb_sparseset_t<hb_bit_s…
    CVE-2016-2052 (CVSS 7.6) — Multiple unspecified vulnerabilities in HarfBuzz before 1.0.6, as used in Google Chrome before 48.0.2564.82, a…
    CVE-2015-8947 (CVSS 7.6) — hb-ot-layout-gpos-table.hh in HarfBuzz before 1.0.5 allows remote attackers to cause a denial of service (buff…
    CVE-2015-9274 (CVSS 6.5) — HarfBuzz before 1.0.4 allows remote attackers to cause a denial of service (invalid read of two bytes and appl…

    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