direwolf: wb2osz/direwolf (Dire Wolf) versions up to and including 1.8.1, prior to commit 3658a87, contain a reachable assertio...
CVE-2025-34458 is fixed in 4 products on 1 platform, first by DEBIAN-CVE-2025-34458, released December 22, 2025. It is not reported as exploited. Patch Radar priority: Routine.
wb2osz/direwolf (Dire Wolf) versions up to and including 1.8.1, prior to commit 3658a87, contain a reachable assertion vulnerability in the APRS MIC-E decoder function aprs_mic_e() located in src/decode_aprs.c. When processing a specially crafted AX.25 frame containing a MIC-E message with an empty or truncated comment field, the application triggers an unhandled assertion checking for a non-empty comment. This assertion failure causes immediate process termination, allowing a remote, unauthenticated attacker to cause a denial of service by sending malformed APRS traffic.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| direwolf · Debian 14 | 1.8.1+dfsg-2 | DEBIAN-CVE-2025-34458 | Dec 22, 2025 |
| direwolf · Fedora 43 | 1.8.1-1.fc43 | FEDORA-2025-793E1E1341 | Dec 24, 2025 |
| direwolf-debuginfo · Fedora 43 | 1.8.1-1.fc43 | FEDORA-2025-793E1E1341 | Dec 24, 2025 |
| direwolf-debugsource · Fedora 43 | 1.8.1-1.fc43 | FEDORA-2025-793E1E1341 | Dec 24, 2025 |
| direwolf-doc · Fedora 43 | 1.8.1-1.fc43 | FEDORA-2025-793E1E1341 | Dec 24, 2025 |
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