CVE-2025-29918

CVE-2025-29918 is a medium-severity vulnerability in Oisf Suricata with a CVSS 3.x base score of 6.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-835.

Key facts

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.

Frequently asked questions

What is CVE-2025-29918?
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.
How severe is CVE-2025-29918?
CVE-2025-29918 has a CVSS 3.x base score of 6.2, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-29918 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-29918?
CVE-2025-29918 affects Oisf Suricata. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-29918?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-29918 have an EU (EUVD) identifier?
Yes. CVE-2025-29918 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-10709.
When was CVE-2025-29918 published?
CVE-2025-29918 was published on 2025-04-10 and last updated on 2026-06-17.

References

Affected products (1)

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