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    CVE-2026-89162

    In PCRE2 before 10.48, pcre2_serialize_encode might disclose two bytes to an adversary, typically in a situation where the access available to the adversary is already unsafe.

    Published:Sep 11, 2026
    Last Modified:Sep 11, 2026
    EPS:Sep 11, 2026
    EPSS Score:
    CVSS Score:2.9

    Affected Products

    Vendor
    Pcre
    Product
    Pcre2

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-89161 (CVSS 7.4) — In PCRE2 before 10.48, pcre2_jit_match mishandles a previously copied subject being passed in as a context. An…
    CVE-2026-89160 (CVSS 3.7) — PCRE2 before 10.48 has a pcre2_match out-of-bounds read during the PCRE2_MATCH_INVALID_UTF matching of an inva…
    CVE-2026-89158 (CVSS 6.5) — PCRE2 before 10.48, on 32-bit platforms, has a pcre2_compile_32 integer overflow and resultant out-of-bounds w…
    CVE-2026-89157 (CVSS 5.7) — PCRE2 before 10.48, on 32-bit platforms, has a pcre2_pattern_convert out-of-bounds write when an attacker can …
    CVE-2026-89156 (CVSS 2.9) — PCRE2 before 10.48 has a pcre2_match out-of-bounds read after a JIT fallback when an attacker can provide inva…
    CVE-2026-86145 (CVSS 8.2) — PCRE2 before 10.48 allows a pcre2_dfa_match out-of-bounds write because reuse of a cached workspace block, in …
    CVE-2025-58050 (CVSS 6.9) — The PCRE2 library is a set of C functions that implement regular expression pattern matching. In version 10.45…
    CVE-2022-41409 (CVSS 7.5) — Integer overflow vulnerability in pcre2test before 10.41 allows attackers to cause a denial of service or othe…
    CVE-2022-1587 (CVSS 9.1) — An out-of-bounds read vulnerability was discovered in the PCRE2 library in the get_recurse_data_length() funct…
    CVE-2022-1586 (CVSS 9.1) — An out-of-bounds read vulnerability was discovered in the PCRE2 library in the compile_xclass_matchingpath() f…

    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