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CVE-2013-4332

15
FAUCET Score

CVE-2013-4332 describes multiple integer overflows in the GNU C Library (glibc) versions 2.18 and earlier, specifically impacting memory allocation functions like pvalloc and valloc. This vulnerability allows unauthenticated, remote attackers to trigger a denial of service through heap corruption. While the CVSS score is 4.3, indicating a medium attack complexity and partial availability impact, there is no evidence of active exploitation, public exploit code, or significant community discussion beyond a single Reddit mention.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.18CPE matchmatch criteria
cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*
2.0CPE matchmatch criteria
cpe:2.3:a:gnu:glibc:2.0:*:*:*:*:*:*:*
2.0.1CPE matchmatch criteria
cpe:2.3:a:gnu:glibc:2.0.1:*:*:*:*:*:*:*
2.0.2CPE matchmatch criteria
cpe:2.3:a:gnu:glibc:2.0.2:*:*:*:*:*:*:*
2.0.3CPE matchmatch criteria
cpe:2.3:a:gnu:glibc:2.0.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

AV:N/AC:M/Au:N/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.61%
Probability of exploitation in next 30 days
EPSS Percentile
83.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0261 is in the 75th percentile among its peer group of 19,958 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: glibc-0:2.5-118.el5_10.2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: glibc-0:2.12-1.132.el6
View patch

Vendor Advisories (1)

redhatCVE-2013-4332Moderate

glibc: three integer overflows in memory allocator

Aug 20, 2013

References

rhn.redhat.com / errata/RHSA-2013-1411.html
rhn.redhat.com / errata/RHSA-2013-1605.html
bugzilla.redhat.com / show_bug.cgi
secunia.com / advisories/55113
security.gentoo.org / glsa/201503-04
sourceware.org / bugzilla/show_bug.cgi
Exploit
sourceware.org / bugzilla/show_bug.cgi
sourceware.org / bugzilla/show_bug.cgi
Exploit
mandriva.com / security/advisories
mandriva.com / security/advisories
openwall.com / lists/oss-security/2013/09/12/6
Patch
securityfocus.com / bid/62324
ubuntu.com / usn/USN-1991-1