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CVE-2016-4488

21
FAUCET Score

CVE-2016-4488 is a use-after-free vulnerability in the gnu libiberty library, specifically related to "ktypevec," which can lead to a denial of service (segmentation fault and crash) when processing a crafted binary. This vulnerability has a CVSS score of 5.5 (Medium), indicating a local attack vector with low complexity, requiring user interaction, and resulting in high availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

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

5.5MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.68%
Probability of exploitation in next 30 days
EPSS Percentile
74.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0168 is in the 85th percentile among its peer group of 5,758 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 (21)

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-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-2016-4488Low

gcc: Invalid write due to a use-after-free to array ktypevec

Mar 31, 2016

References

gcc.gnu.org / bugzilla/show_bug.cgi
Issue Tracking
openwall.com / lists/oss-security/2016/05/05/5
Mailing ListThird Party Advisory
securityfocus.com / bid/90025