Time-of-check Time-of-use (TOCTOU) Race Condition Affecting netatalk package, versions [3.0.0,]
Threat Intelligence
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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- published25 May 2026
- disclosed21 May 2026
- creditArjun Basnet
Introduced: 21 May 2026
NewCVE-2026-7837 (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 Time-of-check Time-of-use (TOCTOU) Race Condition in the ad_flush function. An attacker can perform unauthorized data modification by exploiting a race condition during root-privileged file operations. This is only exploitable if the attacker can trigger the race condition at the precise moment between the time of check and the time of use.