CVE-2014-4975: canonical ubuntu_linux
Vulnerability summary
CVE-2014-4975 is a medium (CVSS 5.0) vulnerability in canonical ubuntu_linux. EPSS estimates a 3.46% chance of exploitation in the next 30 days, higher than 89% of scored vulnerabilities.
Not severe (CVSS 5, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 11 · Related 2Timeline
- 15-11-2014PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
Off-by-one error in the encodes function in pack.c in Ruby 1.9.3 and earlier, and 2.x through 2.1.2, when using certain format string specifiers, allows context-dependent attackers to cause a denial of service (segmentation fault) via vectors that trigger a stack-based buffer overflow.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
3.46%
Chance of exploitation in the next 30 days
Percentile
89%
Versus all other CVEs
30-day change
Decrease -0.03 pp
From 3.48% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not 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.
Redhat4 products
Ubuntu2 products
- ruby1.9.1< 1.9.3.484-2ubuntu1.1
- ruby2.0< 2.0.0.484-1ubuntu2.1
Canonical1 product
- ubuntu_linuxEOL12.04 | 14.04 | 14.10
Debian1 product
- debian_linuxEOL7.0 | 8.0
Ruby-lang1 product
- rubyEOL≤ 1.9.3 | 2.0 | 2.0.0 | 2.0.0:p0 | 2.0.0:p195 | 2.0.0:p247 | 2.0.0:preview1 | 2.0.0:preview2 | 2.0.0:rc1 | 2.0.0:rc2 | 2.1 | 2.1:preview1 | 2.1.1 | 2.1.2
5 vendors · 9 products
References
18 links- www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.htmlX Refsource CONFIRMThird Party Advisory
Show all 18 references
- www.mandriva.com/security/advisories?name=MDVSA-2015:129Vendor AdvisoryX Refsource MANDRIVABroken Link