Description
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.
Analysis and contextual insights are available on OpenCVE Cloud.
Remediation
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
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Advisories
| Source | ID | Title |
|---|---|---|
Debian DSA |
DSA-1399-1 | New pcre3 packages fix arbitrary code execution |
Debian DSA |
DSA-1570-1 | New kazehakase packages fix execution of arbitrary code |
EUVD |
EUVD-2007-1655 | 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. |
Ubuntu USN |
USN-547-1 | PCRE vulnerabilities |
References
History
Wed, 28 May 2025 14:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| References |
Thu, 22 May 2025 04:30:00 +0000
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| References |
Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2024-08-07T13:06:25.952Z
Reserved: 2007-03-24T00:00:00.000Z
Link: CVE-2007-1661
No data.
Status : Modified
Published: 2007-11-07T23:46:00.000
Modified: 2026-04-23T00:35:47.467
Link: CVE-2007-1661
OpenCVE Enrichment
No data.
Weaknesses
Debian DSA
EUVD
Ubuntu USN