CVE-2024-55627: Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.8, a specially crafted TCP…

PriorityP343high7.5CVSS 3.1

AVNACLPRNUINSUCNINAH

EPSS

0.98%

57.9th percentile

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.8, a specially crafted TCP stream can lead to a very large buffer overflow while being zero-filled during initialization with memset due to an unsigned integer underflow. The issue has been addressed in Suricata 7.0.8.

Affected

4 ranges

Vendor	Product	Version range	Fixed in
debian	suricata	< suricata 1:7.0.8-1 (forky)	suricata 1:7.0.8-1 (forky)
oisf	suricata	< 7.0.8	7.0.8
oisf	suricata	>= 0 < 1:7.0.8-1	1:7.0.8-1
oisf	suricata	>= 0 < 1:7.0.8-1	1:7.0.8-1

CVSS provenance

nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

osv7.5HIGH

vendor_debian5.9MEDIUM

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.