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Vulnerabilities in the PHP language itself, and which PHP versions they affect.

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CVE-2017-9229

HIGH 7.5 CVSS 3.1
Published
May 24, 2017
Last modified
June 17, 2026
NVD status
Modified
Reported by
cve@mitre.org
Weakness
CWE-476
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

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.

Affected products and versions

  • PHP — Up to and including 7.1.5
  • PHP — From 5.6.0 (including) to 5.6.31 (excluding)
  • PHP — From 7.0.0 (including) to 7.0.21 (excluding)
  • PHP — From 7.1.0 (including) to 7.1.7 (excluding)

References

  • access.redhat.com https://access.redhat.com/errata/RHSA-2018:1296 Third Party Advisory
  • github.com https://github.com/kkos/oniguruma/commit/b690371bbf97794b4a1d3f295d4fb9a8b05d402d Patch, Third Party Advisory
  • github.com https://github.com/kkos/oniguruma/issues/59 Exploit, Third Party Advisory
  • nvd.nist.gov Official NVD record