CVE-2024-23839: Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.3, specially crafted traffic…

PriorityP347high8.1CVSS 3.1

AVNACHPRNUINSUCHIHAH

EPSS

0.78%

51.4th percentile

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.3, specially crafted traffic can cause a heap use after free if the ruleset uses the http.request_header or http.response_header keyword. The vulnerability has been patched in 7.0.3. To work around the vulnerability, avoid the http.request_header and http.response_header keywords.

Affected

7 ranges

Vendor	Product	Version range	Fixed in
debian	suricata	< suricata 1:7.0.3-1 (forky)	suricata 1:7.0.3-1 (forky)
fedoraproject	fedora	—	—
fedoraproject	fedora	—	—
oisf	suricata	—	—
oisf	suricata	>= 0 < 1:7.0.3-1	1:7.0.3-1
oisf	suricata	>= 0 < 1:7.0.3-1	1:7.0.3-1
oisf	suricata	>= 7.0.0 < 7.0.3	7.0.3

CVSS provenance

nvdv3.18.1HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

osv8.1HIGH

vendor_debian7.1LOW

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.