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

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CVE-2017-9227

CRITICAL 9.8 CVSS 3.1
Published
May 24, 2017
Last modified
June 17, 2026
NVD status
Modified
Reported by
cve@mitre.org
Weakness
CWE-125
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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 stack out-of-bounds read occurs in mbc_enc_len() during regular expression searching. Invalid handling of reg->dmin in forward_search_range() could result in an invalid pointer dereference, as an out-of-bounds read from a stack buffer.

Affected products and versions

  • 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

  • www.securityfocus.com http://www.securityfocus.com/bid/100538 Third Party Advisory, VDB Entry
  • access.redhat.com https://access.redhat.com/errata/RHSA-2018:1296 Third Party Advisory
  • github.com https://github.com/kkos/oniguruma/commit/9690d3ab1f9bcd2db8cbe1fe3ee4a5da606b8814 Patch, Third Party Advisory
  • github.com https://github.com/kkos/oniguruma/issues/58 Exploit, Issue Tracking, Patch, Third Party Advisory
  • nvd.nist.gov Official NVD record