CVE-2008-3443: ruby-lang ruby Resource Management Errors
Vulnerability summary
CVE-2008-3443 is a medium (CVSS 5.0) Resource Management Errors vulnerability in ruby-lang ruby. EPSS estimates a 15.68% chance of exploitation in the next 30 days, higher than 96.8% of scored vulnerabilities. 1 public exploit is recorded.
Advisory lineage
Upstream 0 · Downstream 3Timeline
- 14-08-2008PublishedVulnerability first disclosed.
- 07-08-2024Last modifiedVulnerability information updated.
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 (infinite loop and crash) via multiple long requests to a Ruby socket, related to memory allocation failure, and as demonstrated against Webrick.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
15.68%
Chance of exploitation in the next 30 days
Percentile
97%
Versus all other CVEs
30-day change
0.00 pp
From 15.68% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundRuby 1.9 - regex engine Remote Socket Memory Leak
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Debian2 products
- ruby1.8< 1.8.5-4etch4
- ruby1.9< 1.9.0+20060609-1etch4
Ruby-lang1 product
- ruby1.6.8 | 1.8.0 | 1.8.1 | 1.8.1:-9 | 1.8.2 | 1.8.2:preview2 | 1.8.2:preview3 | 1.8.2:preview4 | 1.8.3 | 1.8.3:preview1 | 1.8.3:preview2 | 1.8.3:preview3 | 1.8.4 | 1.8.4:preview1 | 1.8.4:preview2 | 1.8.4:preview3 | 1.8.5 | 1.8.5:p11 | 1.8.5:p113 | 1.8.5:p114 | 1.8.5:p115 | 1.8.5:p12 | 1.8.5:p2 | 1.8.5:p231 | 1.8.5:p35 | 1.8.5:p52 | 1.8.5:preview1 | 1.8.5:preview2 | 1.8.5:preview3 | 1.8.5:preview4 | 1.8.5:preview5 | 1.8.6 | 1.8.6:p110 | 1.8.6:p111 | 1.8.6:p114 | 1.8.6:p230 | 1.8.6:p286 | 1.8.6:p36 | 1.8.6:preview1 | 1.8.6:preview2 | 1.8.6:preview3 | 1.8.7 | 1.8.7:p17 | 1.8.7:p22 | 1.8.7:p71 | 1.8.7:preview1 | 1.8.7:preview2 | 1.8.7:preview3 | 1.8.7:preview4 | 1.9.0 | 1.9.0:r18423
2 vendors · 3 products
References
26 links- support.apple.com/kb/HT3549X Refsource CONFIRM
- www.redhat.com/archives/fedora-package-announce/2008-October/msg00299.htmlVendor AdvisoryX Refsource FEDORA
Show all 26 references
- support.avaya.com/elmodocs2/security/ASA-2008-424.htmX Refsource CONFIRM
- www.us-cert.gov/cas/techalerts/TA09-133A.htmlThird Party AdvisoryX Refsource CERTUS Government Resource
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9570VDB EntrySignatureX Refsource OVAL
- www.redhat.com/archives/fedora-package-announce/2008-October/msg00259.htmlVendor AdvisoryX Refsource FEDORA