What is CVE-2018-1000099?

CVE-2018-1000099 is a high-severity vulnerability in Teluu Pjsip, classified under Access of Uninitialized Pointer. CVSS score: 7.5/10. Published 2018-03-13.

How severe is CVE-2018-1000099?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Teluu Pjsip

CVE-2018-1000099

Teluu PJSIP version 2.7.1 and earlier contains a Access of Null/Uninitialized Pointer vulnerability in pjmedia SDP parsing that can result in Crash. This attack appear to be exploitable via Sending a specially crafted message. This vulnerability appears to have been fixed in 2.7.2.

Published 2018-03-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.034 (88.4th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 88.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.034 · newest: 0.034 · change: 0.000

Affected products

Teluu Pjsip
Debian Linux — versions 9.0

Weakness classification (CWE)

CWE-824 — Access of Uninitialized Pointer

References

trac.pjsip.org/repos/ticket/2094 (Patch, Vendor Advisory)
trac.pjsip.org/repos/milestone/release-2.7.2 (Vendor Advisory)
www.debian.org/security/2018/dsa-4170 (vendor-advisory, Third Party Advisory)
trac.pjsip.org/repos/ticket/2092 (Vendor Advisory)

Frequently asked questions

What is CVE-2018-1000099?: CVE-2018-1000099 is a high-severity vulnerability in Teluu Pjsip, classified under Access of Uninitialized Pointer. CVSS score: 7.5/10. Published 2018-03-13.
How severe is CVE-2018-1000099?: High severity. CVSS v3 base score is 7.5 out of 10.