All vulnerabilities

Servers and applications

CVE-2017-9227

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.

Severity
Critical 9.8
Published
24 May 2017
Last changed
17 Jun 2026
Added to UpHeron
14 Oct 2026
Fixed in
5.6.31, 7.0.21, 7.1.7
Sources
NVD

Affected software

SoftwareAffected versions
PHPServers and applications · cpe:a:php:php
  • From 5.6.0 before 5.6.31
  • From 7.0.0 before 7.0.21
  • From 7.1.0 before 7.1.7

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2017-9227
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2017-9227