CVE-2013-0242: gnu glibc
Vulnerability summary
CVE-2013-0242 is a medium (CVSS 5.0) vulnerability in gnu glibc. EPSS estimates a 2.85% chance of exploitation in the next 30 days, higher than 86.7% 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 4 · Related 1Timeline
- 08-02-2013PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
Buffer overflow in the extend_buffers function in the regular expression matcher (posix/regexec.c) in glibc, possibly 2.17 and earlier, allows context-dependent attackers to cause a denial of service (memory corruption and crash) via crafted multibyte characters.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
2.85%
Chance of exploitation in the next 30 days
Percentile
87%
Versus all other CVEs
30-day change
No change 0.00 pp
From 2.85% 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.
Debian1 product
- glibc< 2.17-2
Gnu1 product
- glibc2.17
2 vendors · 2 products
References
16 links- www.vmware.com/security/advisories/VMSA-2014-0008.htmlX Refsource CONFIRM