CVE-2018-1000098

Teluu PJSIP version 2.7.1 and earlier contains a Integer Overflow vulnerability in pjmedia SDP...

7.5 HighFix available

Teluu PJSIP version 2.7.1 and earlier contains a Integer Overflow 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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: High

Exploit likelihood

3.32%Up 2.5 points since Apr 14, 2021

What each source reports

NVD Score used 7.5

Record: CVE-2018-1000098
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness: CWE-190
Updated: 2026-11-02

CVE List No score

Record: CVE-2018-1000098
Updated: 2026-11-02

EUVDEUVD-2018-1836 No score

Record: EUVD-2018-1836
Updated: 2026-11-03

GitHub AdvisoriesGHSA-chm5-gp28-v8xw 7.5

Teluu PJSIP version 2.7.1 and earlier contains a Integer Overflow vulnerability in pjmedia SDP...

Record: GHSA-chm5-gp28-v8xw
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-190
Updated: 2026-11-02

OSV 7.5

Record: CVE-2018-1000098
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVUBUNTU-CVE-2018-1000098 7.5

Record: UBUNTU-CVE-2018-1000098
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`pjproject` Debian:9 From an advisory covering 4 CVEs	before 2.5.5~dfsg-6+deb9u1, plus listed versions 2.5.5~dfsg-6	2.5.5~dfsg-6+deb9u1
`pjproject` Ubuntu:Pro:16.04:LTS	before 2.1.0.0.ast20130823-1+deb8u1ubuntu0.1~esm1, plus listed versions 2.1.0.0.ast20130823-12.1.0.0.ast20130823-1+deb8u1build0.16.04.1	2.1.0.0.ast20130823-1+deb8u1ubuntu0.1~esm1

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-1000098 is a high vulnerability (CVSS 7.5) in Teluu Pjsip, published March 13, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.32%, the 88th percentile. Fixed in pjproject 2.1.0.0.ast20130823-1+deb8u1ubuntu0.1~esm1.