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CVE-2016-4492

19
FAUCET Score

CVE-2016-4492 is a buffer overflow vulnerability in the do_type function of gnu libiberty, which can be triggered by a crafted binary, leading to a denial of service (segmentation fault and crash). Rated Medium severity (CVSS 4.4), it requires local access and high privileges to exploit, with the primary impact being system availability. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion, indicating a low current threat.

Impacted Technologies

VendorProductVersion(s)CPE
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:a:gnu:libiberty:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

4.4MEDIUM

CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
0.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.92%
Probability of exploitation in next 30 days
EPSS Percentile
77.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0192 is in the 99th percentile among its peer group of 3,720 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (22)

redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: binutils
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: binutils220
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: compat-gcc-295
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: compat-gcc-296
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: compat-gcc-32
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: compat-gcc-34
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: gcc
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: gcc44
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: gdb
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: binutils
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: compat-gcc-295
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: compat-gcc-296
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: compat-gcc-32
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: compat-gcc-34
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: gcc
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: gdb
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: binutils
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: compat-gcc-32
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: compat-gcc-34
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: compat-gcc-44
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: gcc
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: gdb

Vendor Advisories (1)

redhatCVE-2016-4492Low

gcc: Read access violations

May 3, 2016

References

gcc.gnu.org / bugzilla/show_bug.cgi
Issue Tracking
gcc.gnu.org / ml/gcc-patches/2016-05/msg00223.html
PatchVendor Advisory
openwall.com / lists/oss-security/2016/05/05/5
Mailing ListPatchThird Party Advisory
securityfocus.com / bid/90014