What is CVE-2016-10324?

CVE-2016-10324 is a critical-severity vulnerability in GNU Osip, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2017-04-13.

How severe is CVE-2016-10324?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in GNU Osip

CVE-2016-10324

In libosip2 in GNU oSIP 4.1.0, a malformed SIP message can lead to a heap buffer overflow in the osip_clrncpy() function defined in osipparser2/osip_port.c.

Vulnerability class: Buffer Overflow

Published 2017-04-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.020 (80.1th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 80.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000

Affected products

GNU Osip — versions 4.1.0

Weakness classification (CWE)

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

References

savannah.gnu.org/support/index.php (Patch, Issue Tracking, Vendor Advisory)
www.debian.org/security/2017/dsa-3879 (vendor-advisory)
www.securityfocus.com/bid/97641 (VDB Entry, Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2016-10324?: CVE-2016-10324 is a critical-severity vulnerability in GNU Osip, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2017-04-13.
How severe is CVE-2016-10324?: Critical severity. CVSS v3 base score is 9.8 out of 10.