DescriptionWebSocket08FrameDecoder in Netty 3.6.x before 3.6.9, 3.7.x before 3.7.1, 3.8.x before 3.8.2, 3.9.x before 3.9.1, and 4.0.x before 4.0.19 allows remote attackers to cause a denial of service (memory consumption) via a TextWebSocketFrame followed by a long stream of ContinuationWebSocketFrames.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
netty (PTS)stretch1:4.1.7-2+deb9u1fixed
stretch (security)1:4.1.7-2+deb9u3fixed
buster, buster (security)1:4.1.33-1+deb10u2fixed
bookworm, sid, bullseye1:4.1.48-4fixed
netty-3.9 (PTS)stretch3.9.9.Final-1fixed
stretch (security)3.9.9.Final-1+deb9u1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
nettysource(unstable)(not affected)


- netty <not-affected> (WebSocket08FrameDecoder function not present; bug #746639)

Search for package or bug name: Reporting problems