Vulnerability · Published Apr 10, 2025 · Assigned by GitHub_M
CVE-2025-29918Suricata pcre: negated pcr can cause infinite loop
Medium 6.2
In plain English
A medium-severity infinite loop in suricata from OISF. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 20% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:13 | suricata | 1:7.0.9-1 | DEBIAN-CVE-2025-29918 |
| Debian:14 | suricata | 1:7.0.9-1 | DEBIAN-CVE-2025-29918 |
| Ubuntu:22.04:LTS | suricata | no fix listed | UBUNTU-CVE-2025-29918 |
| Ubuntu:24.04:LTS | suricata | no fix listed | UBUNTU-CVE-2025-29918 |
| Ubuntu:25.10 | suricata | no fix listed | UBUNTU-CVE-2025-29918 |
| Ubuntu:26.04:LTS | suricata | no fix listed | UBUNTU-CVE-2025-29918 |
| Ubuntu:26.10 | suricata | no fix listed | UBUNTU-CVE-2025-29918 |
Affected products (as reported)
Weakness: CWE-835 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
- https://github.com/OISF/suricata/security/advisories/GHSA-924c-vvm5-9mqx x_refsource_CONFIRM
- https://github.com/OISF/suricata/commit/b14c67cbdf25fa6c7ffe0d04ddf3ebe67b12b50b x_refsource_MISC
- https://redmine.openinfosecfoundation.org/issues/7526 x_refsource_MISC
- https://lists.debian.org/debian-lts-announce/2025/03/msg00029.html