Multiple integer overflows in Perl-Compatible Regular Expression (PCRE) library before…
Priority MEDIUM 40CWE-189Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Partial · Partial · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-189 and the CVSS impact.
Summary
Multiple integer overflows in Perl-Compatible Regular Expression (PCRE) library before 7.3 allow context-dependent attackers to cause a denial of service (crash) or execute arbitrary code via unspecified escape (backslash) sequences.
Why it matters now
EPSS 0.0416 90th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2007-4766
- 2026-10-03 Alias added: GHSA-ppf2-g285-2xj9
References
Patch 1
Advisory 13
Other 10
- ADV-2007-4238
- https://issues.rpath.com/browse/RPL-1738
- ADV-2008-0924
- [gtk-devel-list] 20071107 GLib 2.14.3
- http://docs.info.apple.com/article.html?artnum=307179
- ADV-2007-3790
- ADV-2007-3725
- http://www.pcre.org/changelog.txt
- http://docs.info.apple.com/article.html?artnum=307562
- http://bugs.gentoo.org/show_bug.cgi?id=198976
More Pcre vulnerabilities
- TI-2017-11950 In PCRE 8.41, after compiling, a pcretest load test PoC produces a crash overflow in the… CVSS 3.1MEDIUM 5.5
- TI-2015-02839 Heap-based buffer overflow in PCRE 8.34 through 8.37 and PCRE2 10.10 allows remote… CVSS 3.1CRITICAL 9.8
- TI-2016-02677 The compile_branch function in pcre_compile.c in PCRE 8.x before 8.39 and pcre2_compile.c… CVSS 3.0CRITICAL 9.8
- TI-2016-01176 The pcre_compile2 function in pcre_compile.c in PCRE 8.38 mishandles the… CVSS 3.1CRITICAL 9.8
- TI-2015-06911 The pcre_compile function in pcre_compile.c in PCRE before 8.38 mishandles certain [… CVSS 3.1CRITICAL 9.8
- TI-2015-04255 Heap-based buffer overflow in the find_fixedlength function in pcre_compile.c in PCRE… CVSS 3.0CRITICAL 9.1
Sources
- CVE-2007-4766 · CVE Program
- CVE-2007-4766 · NVD
- FIRST EPSS
- GHSA-ppf2-g285-2xj9 · GitHub Advisory Database · CC BY 4.0
- CVE-2007-4766 · Red Hat security data · CC BY 4.0
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