CVE-2007-1660: pcre
Vulnerability summary
CVE-2007-1660 is a medium (CVSS 6.8) vulnerability in pcre. EPSS estimates a 4.08% chance of exploitation in the next 30 days, higher than 90.7% of scored vulnerabilities.
Not severe (CVSS 6.8, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 7Timeline
- 07-11-2007PublishedVulnerability first disclosed.
- 07-08-2024Last modifiedVulnerability information updated.
Description
Perl-Compatible Regular Expression (PCRE) library before 7.0 does not properly calculate sizes for unspecified "multiple forms of character class", which triggers a buffer overflow that allows context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
4.08%
Chance of exploitation in the next 30 days
Percentile
91%
Versus all other CVEs
30-day change
No change 0.00 pp
From 4.08% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.
Redhat3 products
- pcre< 0:4.5-4.el4_5.1
- pcre-debuginfo< 0:4.5-4.el4_5.1
- pcre-devel< 0:4.5-4.el4_5.1
Debian2 products
- glib2.0< 2.14.3-1
- pcre3< 7.3-1
Pcre1 product
- pcre≤ 6.9
3 vendors · 6 products
References
72 links- www.us-cert.gov/cas/techalerts/TA07-352A.htmlThird Party AdvisoryX Refsource CERTUS Government Resource
Show all 72 references
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10562VDB EntrySignatureX Refsource OVAL
- issues.rpath.com/browse/RPL-1738X Refsource CONFIRM
- support.avaya.com/elmodocs2/security/ASA-2007-488.htmX Refsource CONFIRM
- docs.info.apple.com/article.html?artnum=307179X Refsource CONFIRM
- docs.info.apple.com/article.html?artnum=307562X Refsource CONFIRM
- bugs.gentoo.org/show_bug.cgi?id=198976X Refsource MISC