CVE-2012-6109: rack_project rack
Vulnerability summary
CVE-2012-6109 is a medium (CVSS 4.3) vulnerability in rack_project rack. EPSS estimates a 2.72% chance of exploitation in the next 30 days, higher than 86% 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?Timeline
- 01-03-2013PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
lib/rack/multipart.rb in Rack before 1.1.4, 1.2.x before 1.2.6, 1.3.x before 1.3.7, and 1.4.x before 1.4.2 uses an incorrect regular expression, which allows remote attackers to cause a denial of service (infinite loop) via a crafted Content-Disposion header.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
2.72%
Chance of exploitation in the next 30 days
Percentile
86%
Versus all other CVEs
30-day change
No change 0.00 pp
From 2.72% 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.
Debian1 product
- ruby-rack< 1.4.1-2.1
Rack_project1 product
- rack≤ 1.1.3 | 0.1 | 0.2 | 0.3 | 0.4 | 0.9 | 0.9.1 | 1.0.0 | 1.0.1 | 1.1.0 | 1.1.2 | 1.2.0 | 1.2.1 | 1.2.2 | 1.2.3 | 1.2.4 | 1.3.0 | 1.3.1 | 1.3.2 | 1.3.3 | 1.3.4 | 1.3.5 | 1.3.6 | 1.4.0 | 1.4.1
RubyGems1 product
- rack< 1.1.4 | ≥ 1.2.0, < 1.2.6 | ≥ 1.3.0, < 1.3.7 | ≥ 1.4.0, < 1.4.2
Ubuntu1 product
- ruby-rack< 1.5.2-1
4 vendors · 4 products
References
17 links- rack.github.comX Refsource CONFIRM
