CVE-2026-31935

EUVD-2026-18245
Suricata is a network IDS, IPS and NSM engine. Prior to versions 7.0.15 and 8.0.4, flooding of craft HTTP2 continuation frames can lead to memory exhaustion, usually resulting in the Suricata process being shut down by the operating system. This issue has been patched in versions 7.0.15 and 8.0.4.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 19.63%
Affected Products (NVD)
VendorProductVersion
oisfsuricata
𝑥
< 7.0.15
oisfsuricata
8.0.0 ≤
𝑥
< 8.0.4
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
suricata
bullseye
vulnerable
bullseye (security)
vulnerable
forky
1:8.0.6-1
fixed
sid
1:8.0.6-1
fixed
trixie
1:7.0.10-1+deb13u4
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
suricata
bionic
needs-triage
jammy
needs-triage
noble
needs-triage
questing
ignored
resolute
needs-triage
xenial
ignored