UpHeron
All vulnerabilities

Servers and applications

CVE-2013-0242

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.

Severity
Medium 5.0
Published
8 Feb 2013
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
2.9% in the next 30 daysHigher than 86% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
Memory buffer errors (CWE-119)
Attack
Over the network · No login needed
Attacker can
Slow it down
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Sources
NVD

Affected software

SoftwareAffected versions
GNU C LibraryServers and applications · cpe:a:gnu:glibc
  • Version 2.17

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2013-0242
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2013-0242