Description
An issue was discovered in the libsofia-sip fork in drachtio-server before 0.8.20. It allows remote attackers to cause a denial of service (daemon crash) via a crafted UDP message that leads to a failure of the libsofia-sip-ua/tport/tport.c self assertion.
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 14 | sofia-sip | 1.12.11+20110422.1+1e14eea~dfsg-5 | — |
| Debian 13 | sofia-sip | 1.12.11+20110422.1+1e14eea~dfsg-5 | — |
| Debian 12 | sofia-sip | 1.12.11+20110422.1+1e14eea~dfsg-5 | — |
| Debian 11 | sofia-sip | 1.12.11+20110422.1-2.1+deb11u1 | DSA-5410-1 |
| Debian 10 | sofia-sip | 1.12.11+20110422.1-2.1+deb10u3 | DLA-3334-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | sofia-sip | 1.12.11+20110422.1-2.1+deb10u3ubuntu0.22.04.1 | USN-5932-1 |
| Ubuntu 20.04 LTS | sofia-sip | 1.12.11+20110422.1-2.1+deb10u3ubuntu0.20.04.1 | USN-5932-1 |
| Ubuntu 18.04 LTS | sofia-sip | 1.12.11+20110422.1-2.1+deb10u3build0.18.04.1 | USN-5932-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | sofia-sip | 1.12.11+20110422.1-2.1+deb10u3ubuntu0.16.04.1~esm1 | USN-5932-1 |
Advisories 3
- USN-5932-1 sofia-sip vulnerabilities Ubuntu Security Notices (USN) · Jun 25, 2026
- DSA-5410-1 sofia-sip - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-3334-1 sofia-sip - security update Debian Security (DSA / DLA) · Mar 9, 2026