CVE-2008-3443
MEDIUM · CVSS 5.0EPSS 15.7%EU EUVD
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 (infinite loop and crash) via multiple long requests to a Ruby socket, related to memory allocation failure, and as demonstrated against Webrick.
Key facts
- CVSS score
- 5.0 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P- Weakness (CWE)
- CWE-399
- EPSS score
- 15.7% (97th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2008-3429)
- Published
- August 14, 2008
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2008-3429 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
and 1 more…
References
- http://lists.apple.com/archives/security-announce/2009/May/msg00002.html
- http://secunia.com/advisories/31430
- http://secunia.com/advisories/32165
- http://secunia.com/advisories/32219
- http://secunia.com/advisories/32371
- http://secunia.com/advisories/32372
- http://secunia.com/advisories/33185
- http://secunia.com/advisories/33398
- http://secunia.com/advisories/35074
- http://securityreason.com/securityalert/4158
- http://support.apple.com/kb/HT3549
- http://support.avaya.com/elmodocs2/security/ASA-2008-424.htm
- http://www.debian.org/security/2009/dsa-1695
- http://www.redhat.com/support/errata/RHSA-2008-0895.html
- http://www.redhat.com/support/errata/RHSA-2008-0897.html
- http://www.securityfocus.com/bid/30682
- http://www.securitytracker.com/id?1021075
- http://www.us-cert.gov/cas/techalerts/TA09-133A.html(US Government Resource)
- http://www.vupen.com/english/advisories/2009/1297
- https://exchange.xforce.ibmcloud.com/vulnerabilities/44688
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9570
- https://usn.ubuntu.com/651-1/
- https://usn.ubuntu.com/691-1/
- https://www.exploit-db.com/exploits/6239
- https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00259.html
- https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00299.html
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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