CVE-2006-7226: redhat enterprise_linux
Vulnerability summary
CVE-2006-7226 is a medium (CVSS 4.3) vulnerability in redhat enterprise_linux. EPSS estimates a 1.60% chance of exploitation in the next 30 days, higher than 75.8% of scored vulnerabilities.
Not severe (CVSS 4.3, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 2Timeline
- 03-12-2007PublishedVulnerability first disclosed.
- 07-08-2024Last modifiedVulnerability information updated.
Description
Perl-Compatible Regular Expression (PCRE) library before 6.7 does not properly calculate the compiled memory allocation for regular expressions that involve a quantified "subpattern containing a named recursion or subroutine reference," which allows context-dependent attackers to cause a denial of service (error or crash).
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
1.60%
Chance of exploitation in the next 30 days
Percentile
76%
Versus all other CVEs
30-day change
No change 0.00 pp
From 1.60% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.
Debian2 products
- glib2.0< 2.14.3-1
- pcre3< 6.7-1
Redhat2 products
2 vendors · 4 products
References
13 links- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11545VDB EntrySignatureX Refsource OVAL
- support.avaya.com/elmodocs2/security/ASA-2007-505.htmX Refsource CONFIRM
- bugzilla.redhat.com/show_bug.cgi?id=384781X Refsource MISC
Show all 13 references
- www.pcre.org/changelog.txtX Refsource CONFIRM
