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CVE-2007-1661

Medium
6.4/10

Summary

Perl-Compatible Regular Expression (PCRE) library before 7.3 backtracks too far when matching certain input bytes against some regex patterns in non-UTF-8 mode, which allows context-dependent attackers to obtain sensitive information or cause a denial of service (crash), as demonstrated by the "\X?\d" and "\P{L}?\d" patterns.

  • LOW
  • NETWORK
  • NONE
  • NONE
  • PARTIAL
  • PARTIAL

References

Advisory Timeline

  • Published