
CVE catalog
CVE-2016-6271
bzrtp: CVE-2016-6271
- Severity
- Medium
- Published
- Source
- [NVD] · [CVE record]
- EPSS
- 2.23% · Oct 25, 2026
The Bzrtp library (aka libbzrtp) 1.0.x before 1.0.4 allows man-in-the-middle attackers to conduct spoofing attacks by leveraging a missing HVI check on DHPart2 packet reception.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | bzrtp | sid | 5.3.105-1 | fixed |
| Debian | bzrtp | forky | 5.3.105-1 | fixed |
| Debian | bzrtp | trixie | 5.3.105-1 | fixed |
| Debian | bzrtp | bookworm | 5.1.64-2 | fixed |
| Ubuntu | bzrtp | 16.04 | 1.0.2-1 | vulnerable |
| Ubuntu | bzrtp | 16.04 | 1.0.2-1.1 | vulnerable |
| Ubuntu | bzrtp | 16.04 | 1.0.2-1.2build0.16.04.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | bzrtp | source | sid | 1.0.2-1.2 | not yet assigned | Not reported | [859277] |
| Debian | bzrtp | source | forky | 1.0.2-1.2 | not yet assigned | Not reported | [859277] |
| Debian | bzrtp | source | trixie | 1.0.2-1.2 | not yet assigned | Not reported | [859277] |
| Debian | bzrtp | source | bookworm | 1.0.2-1.2 | not yet assigned | Not reported | [859277] |
| Ubuntu | bzrtp | deb | 16.04 | 1.0.2-1.2build0.16.04.1 | Not reported | UBUNTU-CVE-2016-6271 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libbzrtp0]Fixed
Source package: [bzrtp]
Details (2)
5.1.64-2· amd64 · bookwormFixed · Fixed:
1.0.2-1.2dsa · bzrtp · debian · bookworm; dsa · bzrtp · debian · 12
5.1.64-2· arm64 · bookwormFixed · Fixed:
1.0.2-1.2dsa · bzrtp · debian · bookworm; dsa · bzrtp · debian · 12
- [libbzrtp-dev]Fixed
Source package: [bzrtp]
Details (2)
5.1.64-2· amd64 · bookwormFixed · Fixed:
1.0.2-1.2dsa · bzrtp · debian · bookworm; dsa · bzrtp · debian · 12
5.1.64-2· arm64 · bookwormFixed · Fixed:
1.0.2-1.2dsa · bzrtp · debian · bookworm; dsa · bzrtp · debian · 12
[Debian 13 (Trixie)]
- [libbzrtp1]Fixed
Source package: [bzrtp]
Details (2)
5.3.105-1· amd64 · trixieFixed · Fixed:
1.0.2-1.2dsa · bzrtp · debian · 13
5.3.105-1· arm64 · trixieFixed · Fixed:
1.0.2-1.2dsa · bzrtp · debian · 13
- [libbzrtp-dev]Fixed
Source package: [bzrtp]
Details (2)
5.3.105-1· amd64 · trixieFixed · Fixed:
1.0.2-1.2dsa · bzrtp · debian · 13
5.3.105-1· arm64 · trixieFixed · Fixed:
1.0.2-1.2dsa · bzrtp · debian · 13
Observed: