Medium severity · published Feb 26, 2024
CVE-2024-24568
Suricata http2: header handling evasion
5.3
CVSS
0.6%
EPSS
No
On KEV
Description
Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.3, the rules inspecting HTTP2 headers can get bypassed by crafted traffic. The vulnerability has been patched in 7.0.3.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 50% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SU
suricata · OISF
>= 7.0.0, < 7.0.3 · source: vendor, NVD, CISA
FE
Fedora · Fedoraproject
38; 39 · source: NVD, CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-24568
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-24568
Patch
https://github.com/OISF/suricata/commit/478a2a38f54e2ae235f8486bff87d7d66b6307f0
Vendor Advisory
https://github.com/OISF/suricata/security/advisories/GHSA-gv29-5hqw-5h8c
Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GOCOBFUTIFHOP2PZOH4ENRFXRBHIRKK4/
Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZXJIT7R53ZXROO3I256RFUWTIW4ECK6P/
Issue Tracking
https://redmine.openinfosecfoundation.org/issues/6717
More from suricata
9.8
CVE-2026-22262
Suricata datasets: stack overflow when saving a set
9.8
CVE-2023-35853
In Suricata before 6.0.13, an adversary who controls an external source of Lua rules may be able to execute Lua code
9.8
CVE-2021-37592
Suricata before 5.0.8 and 6.x before 6.0.4 allows TCP evasion via a client with a crafted TCP/IP stack that can send a certain sequence of segments
9.8
CVE-2018-10244
Suricata version 4.0.4 incorrectly handles the parsing of an EtherNet/IP PDU
9.4
CVE-2026-94084
Suricata before 8.0.7 has an Http2ThreadMultiBuf use-after-free when a transaction is inspected by rules that use http.response_header with and without a transform
