Stack-based Buffer Overflow Affecting wb2osz/direwolf package, versions [0,]
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UNMANAGED-WB2OSZDIREWOLF-14552155
- published23 Dec 2025
- disclosed22 Dec 2025
- creditVlatko Kosturjak
Introduced: 22 Dec 2025
NewCVE-2025-34457 (opens in a new tab)How to fix?
A fix was pushed into the master branch but not yet published.
Overview
Affected versions of this package are vulnerable to Stack-based Buffer Overflow via the kiss_rec_byte function when processing specially crafted KISS frames that reach the maximum allowed frame length. An attacker can cause stack memory corruption or application crashes by sending such frames, resulting in a denial-of-service condition.