Improper Validation of Specified Quantity in Input Affecting openbsd/src package, versions [,7.9)
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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- published28 Apr 2026
- disclosed21 Apr 2026
- creditUnknown
Introduced: 21 Apr 2026
CVE-2026-41285 (opens in a new tab)How to fix?
Upgrade openbsd/src to version 7.9 or higher.
Overview
Affected versions of this package are vulnerable to Improper Validation of Specified Quantity in Input through the processing of ICMPv6 Neighbor Discovery options with a length of zero in the slaacd and rad daemons. An attacker can cause the affected process to enter an infinite loop by sending specially crafted network packets over a local network.