Cyber Resilience

CVE-2024-23839

High

Published: 26 February 2024

Published
26 February 2024
Modified
19 December 2024
KEV Added
Patch
CVSS Score v3.1 7.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
EPSS Score 0.0021 43.9th percentile
Risk Priority 14 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-23839 is a high-severity Use After Free (CWE-416) vulnerability in Fedoraproject Fedora. Its CVSS base score is 7.1 (High).

Operationally, ranked at the 43.9th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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…

more

been patched in 7.0.3. To work around the vulnerability, avoid the http.request_header and http.response_header keywords.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

oisf
suricata
7.0.0 — 7.0.3
fedoraproject
fedora
38, 39

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-416

Use-after-free exploits that achieve arbitrary code execution are blocked or significantly hardened by non-executable pages and ASLR.

References