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.

• CWE-476

• https://access.redhat.com/errata/RHSA-2018:1296Third Party Advisory
• https://github.com/kkos/oniguruma/commit/b690371bbf97794b4a1d3f295d4fb9a8b05d402dPatch, Third Party Advisory
• https://github.com/kkos/oniguruma/issues/59Exploit, Third Party Advisory
• https://access.redhat.com/errata/RHSA-2018:1296Third Party Advisory
• https://github.com/kkos/oniguruma/commit/b690371bbf97794b4a1d3f295d4fb9a8b05d402dPatch, Third Party Advisory
• https://github.com/kkos/oniguruma/issues/59Exploit, Third Party Advisory

Published

May 24, 2017

Last Modified

Jun 17, 2026

Status

Modified

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