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CVE-2016-4973

24
FAUCET Score

CVE-2016-4973 describes a buffer overflow vulnerability in binaries compiled with GCC's libssp library, affecting local users due to the absence of Object Size Checking. Rated 7.8 HIGH, this vulnerability allows for high impact to confidentiality, integrity, and availability with low attack complexity and privileges. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:gnu:libssp:-:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.8HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.43%
Probability of exploitation in next 30 days
EPSS Percentile
35.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0043 is in the 75th percentile among its peer group of 16,985 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2016-4973Moderate

gcc: Targets using libssp for SSP are missing -D_FORTIFY_SOURCE functionality

Aug 17, 2016

References

bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party Advisory
openwall.com / lists/oss-security/2016/08/17/6
Mailing ListThird Party Advisory
securityfocus.com / bid/92530
Third Party AdvisoryVDB Entry