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CVE-2012-3404

19
FAUCET Score

CVE-2012-3404 describes a denial-of-service vulnerability in the vfprintf function of GNU C Library (glibc) versions 2.12 and others, affecting products from Canonical, GNU, and Red Hat. This flaw allows attackers to bypass FORTIFY_SOURCE format-string protection, leading to stack corruption and system crashes. With a CVSS score of 5.0 (AV:N/AC:L/Au:N/C:N/I:N/A:P), it indicates a network-exploitable vulnerability with low attack complexity, resulting in partial availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
2.12CPE matchmatch criteria
cpe:2.3:a:gnu:glibc:2.12:*:*:*:*:*:*:*
3.0CPE matchmatch criteria
cpe:2.3:a:redhat:enterprise_virtualization:3.0:*:*:*:*:*:*:*
8.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:8.04:-:lts:*:*:*:*:*
10.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:10.04:-:lts:*:*:*:*:*
11.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:11.04:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.23%
Probability of exploitation in next 30 days
EPSS Percentile
80.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0222 is in the 71st percentile among its peer group of 23,703 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 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 6Fixed in: glibc-0:2.12-1.80.el6_3.3
View patch
redhatpatch availablevia redhat_api
Product: RHEV 3.X Hypervisor and Agents for RHEL-6Fixed in: rhev-hypervisor6-0:6.3-20120815.0.el6_3
View patch

Vendor Advisories (1)

redhatCVE-2012-3404Moderate

glibc: incorrect size calculation in formatted printing can lead to FORTIFY_SOURCE format string protection bypass

Jul 11, 2012

References

rhn.redhat.com / errata/RHSA-2012-1098.html
rhn.redhat.com / errata/RHSA-2012-1200.html
bugzilla.redhat.com / show_bug.cgi
security.gentoo.org / glsa/201503-04
sourceware.org / bugzilla/show_bug.cgi
ExploitPatch
openwall.com / lists/oss-security/2012/07/11/17
ubuntu.com / usn/USN-1589-1