CVE catalog
CVE-2019-18849
tnef: CVE-2019-18849
- Severity
- Medium · CVSS 6.5
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 1.20% · Oct 25, 2026
In tnef before 1.4.18, an attacker may be able to write to the victim's .ssh/authorized_keys file via an e-mail message with a crafted winmail.dat application/ms-tnef attachment, because of a heap-based buffer over-read involving strdup.
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 | tnef | sid | 1.4.18-6 | fixed |
| Debian | tnef | forky | 1.4.18-6 | fixed |
| Debian | tnef | trixie | 1.4.18-4 | fixed |
| Debian | tnef | bookworm | 1.4.18-3 | fixed |
| Ubuntu | tnef | 16.04 | 1.4.9-1 | vulnerable |
| Ubuntu | tnef | 16.04 | 1.4.9-1+deb8u2build0.16.04.1 | vulnerable |
| Ubuntu | tnef | 16.04 | 1.4.9-1+deb8u3build0.16.04.1 | vulnerable |
| Ubuntu | tnef | 16.04 | 1.4.9-1+deb8u4build0.16.04.1 | fixed |
| Ubuntu | tnef | 16.04 | 1.4.9-1 | vulnerable |
| Ubuntu | tnef | 16.04 | 1.4.9-1+deb8u2build0.16.04.1 | vulnerable |
| Ubuntu | tnef | 16.04 | 1.4.9-1+deb8u3build0.16.04.1 | vulnerable |
| Ubuntu | tnef | 16.04 | 1.4.9-1+deb8u4build0.16.04.1 | fixed |
| Ubuntu | tnef | 18.04 | 1.4.12-1.2 | vulnerable |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | tnef | source | sid | 1.4.18-1 | not yet assigned | Not reported | [944851] |
| Debian | tnef | source | forky | 1.4.18-1 | not yet assigned | Not reported | [944851] |
| Debian | tnef | source | trixie | 1.4.18-1 | not yet assigned | Not reported | [944851] |
| Debian | tnef | source | bookworm | 1.4.18-1 | not yet assigned | Not reported | [944851] |
| Ubuntu | tnef | deb | 16.04 | 1.4.9-1+deb8u4build0.16.04.1 | Not reported | USN-4524-1 | Not reported |
| Ubuntu | tnef | deb | 16.04 | 1.4.9-1+deb8u4build0.16.04.1 | Not reported | UBUNTU-CVE-2019-18849 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [tnef]Fixed
Details (2)
1.4.18-3· amd64 · bookwormFixed · Fixed:
1.4.18-1dsa · tnef · debian · bookworm; dsa · tnef · debian · 12
1.4.18-3· arm64 · bookwormFixed · Fixed:
1.4.18-1dsa · tnef · debian · bookworm; dsa · tnef · debian · 12
[Debian 13 (Trixie)]
Observed:
References
- [https://osv.dev/vulnerability/DEBIAN-CVE-2019-18849]
- [https://osv.dev/vulnerability/DLA-2005-1]
- [https://osv.dev/vulnerability/DLA-2748-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2019-18849]
- [https://osv.dev/vulnerability/USN-4524-1]
- [https://security-tracker.debian.org/tracker/CVE-2019-18849]
- [https://security.access.redhat.com/data/csaf/v2/vex/2019/cve-2019-18849.json]
[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]