CVE-2018-1000099 Null dereference in n/a

What is CVE-2018-1000099?

CVE-2018-1000099 is a high-severity vulnerability in Debian Debian Linux, published on 13 Mar 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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.

Weakness: CWE-824

Which versions are affected by CVE-2018-1000099?

It affects 2 products.

Products include Debian Debian Linux, Teluu Pjsip.

How do I fix CVE-2018-1000099?

Upgrade to a fixed version.

Is CVE-2018-1000099 being exploited?

There is no known exploitation of CVE-2018-1000099 in the wild and no public exploit code.

Other vulnerabilities in Debian Debian Linux

• CVE-2015-3306 ProFTPD Improper Access Control Exploited Critical 10.0
• CVE-2025-49113 RoundCube Webmail Deserialization of Untrusted Data Exploited Critical 9.9
• CVE-2026-24061 GNU InetUtils Argument Injection Exploited Critical 9.8
• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-g2mm-3mxm-q4ww, UBUNTU-CVE-2018-1000099.