01 Record
CVE-2008-3443
The regular expression engine (regex.c) in Ruby 1.8.5 and earlier, 1.8.6 through 1.8.6-p286, 1.8.7 through 1.8.7-p71, and 1.9 through r18423 allows remote attackers to cause a denial of service
UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector
02 Description
The regular expression engine (regex.c) in Ruby 1.8.5 and earlier, 1.8.6 through 1.8.6-p286, 1.8.7 through 1.8.7-p71, and 1.9 through r18423 allows remote attackers to cause a denial of service
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 15.67% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 96.5% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2008-08-14 23:00Z18 YR AGO
- Last updated
- 2024-08-07 09:37Z2 YR AGO
- Reserved
- 2008-08-01
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- 8b84ea70c8e3b2d59a31a5fb256efe8e62821ae75f3cce075aaf837a03957be3
05 Affected products
06 References
- secunia.com31430http://secunia.com/advisories/31430
- usn.ubuntu.comUSN-651-1https://usn.ubuntu.com/651-1/
- secunia.com33185http://secunia.com/advisories/33185
- www.debian.orgDSA-1695http://www.debian.org/security/2009/dsa-1695
- support.apple.comhttp://support.apple.com/kb/HT3549
- www.securityfocus.com30682http://www.securityfocus.com/bid/30682
- www.redhat.comFEDORA-2008-8736https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00299.html
- exchange.xforce.ibmcloud.comruby-regex-dos(44688)https://exchange.xforce.ibmcloud.com/vulnerabilities/44688
- securityreason.com4158http://securityreason.com/securityalert/4158
- secunia.com35074http://secunia.com/advisories/35074
- support.avaya.comhttp://support.avaya.com/elmodocs2/security/ASA-2008-424.htm
- www.securitytracker.com1021075http://www.securitytracker.com/id?1021075
- lists.apple.comAPPLE-SA-2009-05-12http://lists.apple.com/archives/security-announce/2009/May/msg00002.html
- www.redhat.comRHSA-2008:0895http://www.redhat.com/support/errata/RHSA-2008-0895.html
- www.redhat.comRHSA-2008:0897http://www.redhat.com/support/errata/RHSA-2008-0897.html
- secunia.com33398http://secunia.com/advisories/33398
- secunia.com32219http://secunia.com/advisories/32219
- www.exploit-db.com6239https://www.exploit-db.com/exploits/6239
- www.us-cert.govTA09-133Ahttp://www.us-cert.gov/cas/techalerts/TA09-133A.html
- www.vupen.comADV-2009-1297http://www.vupen.com/english/advisories/2009/1297
- usn.ubuntu.comUSN-691-1https://usn.ubuntu.com/691-1/
- oval.cisecurity.orgoval:org.mitre.oval:def:9570https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9570
- secunia.com32371http://secunia.com/advisories/32371
- secunia.com32165http://secunia.com/advisories/32165
- secunia.com32372http://secunia.com/advisories/32372
- www.redhat.comFEDORA-2008-8738https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00259.html