NameCVE-2019-20444 in Netty before 4.1.44 allows an HTTP header that lacks a colon, which might be interpreted as a separate header with an incorrect syntax, or might be interpreted as an "invalid fold."
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)
ReferencesDLA-2109-1, DLA-2110-1
NVD severitymedium
Debian Bugs950966

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
netty (PTS)stretch (security), stretch1:4.1.7-2+deb9u1vulnerable
buster, buster (security)1:4.1.33-1+deb10u1vulnerable
bullseye, sid1:4.1.48-1fixed
netty-3.9 (PTS)stretch3.9.9.Final-1vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs

Notes (4.1)

Search for package or bug name: Reporting problems