CVE-2013-4332

Severity: medium (CVSS 4.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.6% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2013-10-09 · updated 2026-06-16
Weakness: CWE-189

Description

Multiple integer overflows in malloc/malloc.c in the GNU C Library (aka glibc or libc6) 2.18 and earlier allow context-dependent attackers to cause a denial of service (heap corruption) via a large value to the (1) pvalloc, (2) valloc, (3) posix_memalign, (4) memalign, or (5) aligned_alloc functions.

Affected products

GNU C Library (glibc): through 2.18; 2.0, 2.0.1, 2.0.2, 2.0.3, 2.0.4, 2.0.5 (+20)
Red Hat Enterprise Linux: 5

References

http://rhn.redhat.com/errata/RHSA-2013-1411.html
http://rhn.redhat.com/errata/RHSA-2013-1605.html
http://secunia.com/advisories/55113
http://www.mandriva.com/security/advisories?name=MDVSA-2013:283
http://www.mandriva.com/security/advisories?name=MDVSA-2013:284
http://www.openwall.com/lists/oss-security/2013/09/12/6
http://www.securityfocus.com/bid/62324
http://www.ubuntu.com/usn/USN-1991-1
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2013-4332
https://security.gentoo.org/glsa/201503-04
https://sourceware.org/bugzilla/show_bug.cgi?id=15855
https://sourceware.org/bugzilla/show_bug.cgi?id=15856

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