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Fencer Intel
medium 5.0

CVE-2013-0242 json

Buffer overflow in the extend_buffers function in the regular expression matcher (posix/regexec.c) in glibc, possibly 2.17 and earlier, all…

published 13y ago modified 4mo ago also EUVD-2013-0274

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.9%
EPSS 2.9% chance of exploitation in 30 days, percentile 86%
public exploits
0
none known

Summary

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.

Patch / fix

  • glibc Debian 14, Debian 13, Debian 12 2.17-2

debian advisories DEBIAN-CVE-2013-0242

  • glibc RHEL 6 2.12-1.132.el6
  • nscd RHEL 6 2.12-1.132.el6
  • glibc-utils RHEL 6 2.12-1.132.el6
  • glibc-common RHEL 6 2.12-1.132.el6
  • glibc-debuginfo-common RHEL 6 2.12-1.132.el6
  • glibc RHEL 5 2.5-107.el5_9.4
  • nscd RHEL 5 2.5-107.el5_9.4
  • glibc-utils RHEL 5 2.5-107.el5_9.4

red hat advisories RHSA-2013:1605RHSA-2013:0769

  • glibc openSUSE Tumbleweed 2.24-2.3

opensuse advisories openSUSE-SU-2024:10154-1

Is CVE-2013-0242 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2013-0242 updated cvss 4.3

glibc: Buffer overrun (DoS) in regexp matcher by processing multibyte characters

  • Red Hat Enterprise Linux (v. 5 server) nscd 2.5-107.el5_9.4, glibc 2.5-107.el5_9.4, glibc-utils 2.5-107.el5_9.4, glibc-common 2.5-107.el5_9.4, glibc-debuginfo-common 2.5-107.el5_9.4
    fixed: vendor fix RHSA-2013:0769
  • Red Hat Enterprise Linux Desktop (v. 6) nscd 2.12-1.132.el6, glibc 2.12-1.132.el6, glibc-utils 2.12-1.132.el6, glibc-common 2.12-1.132.el6, glibc-debuginfo-common 2.12-1.132.el6 Red Hat Enterprise Linux Desktop Optional (v. 6) nscd 2.12-1.132.el6, glibc 2.12-1.132.el6, glibc-utils 2.12-1.132.el6, glibc-common 2.12-1.132.el6, glibc-debuginfo-common 2.12-1.132.el6 Red Hat Enterprise Linux HPC Node (v. 6) nscd 2.12-1.132.el6, glibc 2.12-1.132.el6, glibc-utils 2.12-1.132.el6, glibc-common 2.12-1.132.el6, glibc-debuginfo-common 2.12-1.132.el6 Red Hat Enterprise Linux HPC Node Optional (v. 6) nscd 2.12-1.132.el6, glibc 2.12-1.132.el6, glibc-utils 2.12-1.132.el6, glibc-common 2.12-1.132.el6, glibc-debuginfo-common 2.12-1.132.el6 Red Hat Enterprise Linux Server (v. 6) nscd 2.12-1.132.el6, glibc 2.12-1.132.el6, glibc-utils 2.12-1.132.el6, glibc-common 2.12-1.132.el6, glibc-debuginfo-common 2.12-1.132.el6 Red Hat Enterprise Linux Server Optional (v. 6) nscd 2.12-1.132.el6, glibc 2.12-1.132.el6, glibc-utils 2.12-1.132.el6, glibc-common 2.12-1.132.el6, glibc-debuginfo-common 2.12-1.132.el6
    +2 more products
    Red Hat Enterprise Linux Workstation (v. 6) nscd 2.12-1.132.el6, glibc 2.12-1.132.el6, glibc-utils 2.12-1.132.el6, glibc-common 2.12-1.132.el6, glibc-debuginfo-common 2.12-1.132.el6 Red Hat Enterprise Linux Workstation Optional (v. 6) nscd 2.12-1.132.el6, glibc 2.12-1.132.el6, glibc-utils 2.12-1.132.el6, glibc-common 2.12-1.132.el6, glibc-debuginfo-common 2.12-1.132.el6
    fixed: vendor fix RHSA-2013:1605

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.85% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.