Missing Release of Memory after Effective Lifetime Affecting rsmarples/dhcpcd package, versions [0,10.5.0)
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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Start learning- Snyk IDSNYK-UNMANAGED-RSMARPLESDHCPCD-17660685
- published27 Jun 2026
- disclosed23 Jun 2026
- creditUnknown
Introduced: 23 Jun 2026
CVE-2026-56116 (opens in a new tab)How to fix?
Upgrade rsmarples/dhcpcd to version 10.5.0 or higher.
Overview
Affected versions of this package are vulnerable to Missing Release of Memory after Effective Lifetime in the handling of IPv6 Router Advertisement route information. An attacker can exhaust system memory and cause a crash by repeatedly sending crafted Router Advertisements containing Route Information options with a lifetime of zero, which triggers unfreed allocations in routeinfo_findalloc.