Loop with Unreachable Exit Condition ('Infinite Loop') Affecting suricata package, versions <1:7.0.9-1


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.02% (5th percentile)

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  • Snyk IDSNYK-DEBIAN13-SURICATA-9485748
  • published20 Mar 2025
  • disclosed10 Apr 2025

Introduced: 20 Mar 2025

CVE-2025-29918  (opens in a new tab)
CWE-835  (opens in a new tab)

How to fix?

Upgrade Debian:13 suricata to version 1:7.0.9-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream suricata package and not the suricata package as distributed by Debian. See How to fix? for Debian:13 relevant fixed versions and status.

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. A PCRE rule can be written that leads to an infinite loop when negated PCRE is used. Packet processing thread becomes stuck in infinite loop limiting visibility and availability in inline mode. This vulnerability is fixed in 7.0.9.