CVE-2008-2662: canonical ubuntu_linux Numeric Errors
Vulnerability summary
CVE-2008-2662 is a high (CVSS 10.0) Numeric Errors vulnerability in canonical ubuntu_linux. EPSS estimates a 4.26% chance of exploitation in the next 30 days, higher than 91% of scored vulnerabilities.
Not severe (CVSS 10, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 6Timeline
- 24-06-2008PublishedVulnerability first disclosed.
- 07-08-2024Last modifiedVulnerability information updated.
Description
Multiple integer overflows in the rb_str_buf_append function in Ruby 1.8.4 and earlier, 1.8.5 before 1.8.5-p231, 1.8.6 before 1.8.6-p230, 1.8.7 before 1.8.7-p22, and 1.9.0 before 1.9.0-2 allow context-dependent attackers to execute arbitrary code or cause a denial of service via unknown vectors that trigger memory corruption, a different issue than CVE-2008-2663, CVE-2008-2664, and CVE-2008-2725. NOTE: as of 20080624, there has been inconsistent usage of multiple CVE identifiers related to Ruby. This CVE description should be regarded as authoritative, although it is likely to change.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
4.26%
Chance of exploitation in the next 30 days
Percentile
91%
Versus all other CVEs
30-day change
No change 0.00 pp
From 4.26% 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 causeAffected systems
Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.
Canonical1 product
- ubuntu_linuxEOL6.06 | 7.04 | 7.10 | 8.04
Debian1 product
- debian_linuxEOL4.0
Ruby-lang1 product
- ruby≤ 1.8.4 | > 1.8.5, < 1.8.5.231 | ≥ 1.8.6, < 1.8.6.230 | ≥ 1.8.7, < 1.8.7.22 | ≥ 1.9.0, < 1.9.0.2
3 vendors · 3 products
References
39 links- lists.opensuse.org/opensuse-security-announce/2008-08/msg00006.htmlVendor AdvisoryX Refsource SUSEThird Party Advisory
- weblog.rubyonrails.org/2008/6/21/multiple-ruby-security-vulnerabilitiesX Refsource MISCThird Party Advisory
- www.mandriva.com/security/advisories?name=MDVSA-2008:141Vendor AdvisoryX Refsource MANDRIVAThird Party Advisory
Show all 39 references
- www.securityfocus.com/archive/1/493688/100/0/threadedMailing ListX Refsource BUGTRAQThird Party AdvisoryVDB Entry
- www.matasano.com/log/1070/updates-on-drew-yaos-terrible-ruby-vulnerabilities/X Refsource MISCThird Party Advisory
- slackware.com/security/viewer.php?l=slackware-security&y=2008&m=slackware-security.429562Vendor AdvisoryX Refsource SLACKWAREMailing ListThird Party Advisory
- lists.apple.com/archives/security-announce/2008//Jun/msg00002.htmlVendor AdvisoryX Refsource APPLEMailing ListThird Party Advisory
- www.rubyinside.com/june-2008-ruby-security-vulnerabilities-927.htmlX Refsource MISCThird Party Advisory
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11601VDB EntrySignatureX Refsource OVALThird Party Advisory
- www.redhat.com/archives/fedora-package-announce/2008-June/msg00937.htmlVendor AdvisoryX Refsource FEDORAThird Party Advisory
- www.mandriva.com/security/advisories?name=MDVSA-2008:140Vendor AdvisoryX Refsource MANDRIVAThird Party Advisory
- www.redhat.com/support/errata/RHSA-2008-0561.htmlVendor AdvisoryX Refsource REDHATThird Party Advisory
- www.mandriva.com/security/advisories?name=MDVSA-2008:142Vendor AdvisoryX Refsource MANDRIVAThird Party Advisory
- www.ruby-lang.org/en/news/2008/06/20/arbitrary-code-execution-vulnerabilities/X Refsource CONFIRMPatchVendor Advisory
- blog.phusion.nl/2008/06/23/ruby-186-p230187-broke-your-app-ruby-enterprise-edition-to-the-rescue/X Refsource MISCThird Party Advisory