Missing Release of Resource after Effective Lifetime Affecting libpcap package, versions [0,]


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.23% (12th percentile)

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  • Snyk IDSNYK-CONAN-LIBPCAP-20079129
  • published24 Sept 2026
  • disclosed5 Sept 2026
  • creditUnknown

Introduced: 5 Sep 2026

NewCVE-2026-18313  (opens in a new tab)
CWE-772  (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 Missing Release of Resource after Effective Lifetime in the rpcapd process. An attacker can exhaust system memory by sending specially crafted RPCAP_MSG_UPDATEFILTER_REQ or RPCAP_MSG_STARTCAP_REQ messages, causing the service to become unavailable.

CVSS Base Scores

version 4.0
version 3.1