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.
Metrics
Affected Vendors & Products
References
History
No history.
MITRE
Status: PUBLISHED
Assigner: mitre
Published: 2007-11-07T20:00:00
Updated: 2024-08-07T13:06:25.952Z
Reserved: 2007-03-24T00:00:00
Link: CVE-2007-1661
Vulnrichment
No data.
NVD
Status : Modified
Published: 2007-11-07T23:46:00.000
Modified: 2024-11-21T00:28:52.293
Link: CVE-2007-1661
Redhat