CVE-2013-4332: GNU Glibc

Medium severity, CVSS 4.3. EPSS: 2.6% chance of exploitation in the next 30 days.

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 Glibc: up to and including 2.18; version 2.0 only; version 2.0.1 only; version 2.0.2 only; version 2.0.3 only; version 2.0.4 only; …
• Red Hat Enterprise Linux: version 5 only

Published 2013-10-09. Last modified 2026-06-16.