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    CVE-2017-9229

    An issue was discovered in Oniguruma 6.2.0, as used in Oniguruma-mod in Ruby through 2.4.1 and mbstring in PHP through 7.1.5. A SIGSEGV occurs in left_adjust_char_head() during regular expression compilation. Invalid handling of reg->dmax in forward_search_range() could result in an invalid pointer dereference, normally as an immediate denial-of-service condition.

    Published:May 23, 2017
    Last Modified:Apr 20, 2025
    EPS:May 24, 2017
    EPSS Score:0.00426
    CVSS Score:7.5

    Affected Products

    Vendor
    Oniguruma Project
    Product
    Oniguruma
    Vendor
    Php
    Product
    Php
    Vendor
    Redhat
    Product
    Rhel Software Collections
    Vendor
    Ruby-lang
    Product
    Ruby

    Exploits

    https://github.com/kkos/oniguruma/issues/59https://github.com/kkos/oniguruma/issues/59

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2019-19012 (CVSS 9.8) — An integer overflow in the search_in_range function in regexec.c in Oniguruma 6.x before 6.9.4_rc2 leads to an…
    CVE-2019-19203 (CVSS 7.5) — An issue was discovered in Oniguruma 6.x before 6.9.4_rc2. In the function gb18030_mbc_enc_len in file gb18030…
    CVE-2019-19204 (CVSS 7.5) — An issue was discovered in Oniguruma 6.x before 6.9.4_rc2. In the function fetch_interval_quantifier (formerly…
    CVE-2019-19246 (CVSS 7.5) — Oniguruma through 6.9.3, as used in PHP 7.3.x and other products, has a heap-based buffer over-read in str_low…
    CVE-2019-16163 (CVSS 7.5) — Oniguruma before 6.9.3 allows Stack Exhaustion in regcomp.c because of recursion in regparse.c.…
    CVE-2019-13225 (CVSS 6.5) — A NULL Pointer Dereference in match_at() in regexec.c in Oniguruma 6.9.2 allows attackers to potentially cause…
    CVE-2019-13224 (CVSS 9.8) — A use-after-free in onig_new_deluxe() in regext.c in Oniguruma 6.9.2 allows attackers to potentially cause inf…
    CVE-2017-9228 (CVSS 9.8) — An issue was discovered in Oniguruma 6.2.0, as used in Oniguruma-mod in Ruby through 2.4.1 and mbstring in PHP…
    CVE-2017-9227 (CVSS 9.8) — An issue was discovered in Oniguruma 6.2.0, as used in Oniguruma-mod in Ruby through 2.4.1 and mbstring in PHP…
    CVE-2017-9224 (CVSS 9.8) — An issue was discovered in Oniguruma 6.2.0, as used in Oniguruma-mod in Ruby through 2.4.1 and mbstring in PHP…

    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