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.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 9 | pjproject | 2.5.5~dfsg-6+deb9u1 | DSA-4170-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | pjproject | 2.1.0.0.ast20130823-1+deb8u1ubuntu0.1~esm1 | — |
Advisories 2
- WID-SEC-2026-0838 Asterisk: Schwachstelle ermöglicht Denial of Service BSI CERT-Bund (WID) · Mar 24, 2026
- DSA-4170-1 pjproject - security update Debian Security (DSA / DLA) · Mar 9, 2026