| CVE-2007-1661 | Date: (C)2007-11-07 (M)2023-12-22 |
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.
CVSS Score and Metrics +CVSS Score and Metrics -| CVSS V2 Severity: |
| CVSS Score : 6.4 |
| Exploit Score: 10.0 |
| Impact Score: 4.9 |
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| CVSS V2 Metrics: |
| Access Vector: NETWORK |
| Access Complexity: LOW |
| Authentication: NONE |
| Confidentiality: PARTIAL |
| Integrity: NONE |
| Availability: PARTIAL |
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