What is CVE-2016-4973?

CVE-2016-4973 is a high-severity vulnerability in Gnu Libssp, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2017-06-07.

How severe is CVE-2016-4973?

High severity. CVSS v3 base score is 7.8 out of 10.

Buffer overflow in Gnu Libssp

CVE-2016-4973

Binaries compiled against targets that use the libssp library in GCC for stack smashing protection (SSP) might allow local users to perform buffer overflow attacks by leveraging lack of the Object Size Checking feature.

Vulnerability class: Buffer Overflow

EPSS: 0.004 (35.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Gnu Libssp
N/a — versions n/a

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

secalert@redhat.com (x_refsource_CONFIRM, Third Party Advisory, Issue Tracking)
secalert@redhat.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
secalert@redhat.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2016-4973?: CVE-2016-4973 is a high-severity vulnerability in Gnu Libssp, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2017-06-07.
How severe is CVE-2016-4973?: High severity. CVSS v3 base score is 7.8 out of 10.