CVE catalog

CVE-2020-27223

jetty9: CVE-2020-27223

Severity: High · CVSS 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published: Jan 1, 2020, 12:00:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 78.03% · Oct 25, 2026

In Eclipse Jetty 9.4.6.v20170531 to 9.4.36.v20210114 (inclusive), 10.0.0, and 11.0.0 when Jetty handles a request containing multiple Accept headers with a large number of “quality” (i.e. q) parameters, the server may enter a denial of service (DoS) state due to high CPU usage processing those quality values, resulting in minutes of CPU time exhausted processing those quality values.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	jetty9	sid	`9.4.58-2`	fixed
Debian	jetty9	forky	`9.4.58-2`	fixed
Debian	jetty9	trixie	`9.4.57-1.1~deb13u1`	fixed
Debian	jetty9	trixie-security	`9.4.57-1.1~deb13u1`	fixed
Debian	jetty9	bookworm	`9.4.57-1.1~deb12u1`	fixed
Debian	jetty9	bookworm-security	`9.4.57-1.1~deb12u1`	fixed
Suse	jetty-minimal	linux enterprise module for development tools 15 sp2	`9.4.38-3.6.2`	fixed
Ubuntu	jetty9	16.04	`9.2.14-1`	vulnerable
Ubuntu	jetty9	18.04	`9.2.22-2`	vulnerable
Ubuntu	jetty9	18.04	`9.2.22-3`	vulnerable
Ubuntu	jetty9	18.04	`9.2.23-1`	vulnerable
Ubuntu	jetty9	18.04	`9.4.15-1~18.04.1ubuntu1`	vulnerable
Ubuntu	jetty9	20.04	`9.4.18-2build2`	vulnerable
Ubuntu	jetty9	20.04	`9.4.26-1`	vulnerable
Ubuntu	jetty9	22.04	`9.4.39-3`	vulnerable
Ubuntu	jetty9	22.04	`9.4.44-2`	vulnerable
Ubuntu	jetty9	22.04	`9.4.44-3`	vulnerable
Ubuntu	jetty9	22.04	`9.4.44-4`	vulnerable
Ubuntu	jetty9	22.04	`9.4.45-1`	vulnerable

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	jetty9	source	sid	`9.4.38-1`	not yet assigned	Not reported	Not reported
Debian	jetty9	source	forky	`9.4.38-1`	not yet assigned	Not reported	Not reported
Debian	jetty9	source	trixie	`9.4.38-1`	not yet assigned	Not reported	Not reported
Debian	jetty9	source	bookworm	`9.4.38-1`	not yet assigned	Not reported	Not reported
Suse	jetty-minimal	rpm	linux enterprise module for development tools 15 sp2	`9.4.38-3.6.2`	Not reported	SUSE-SU-2021:0940-1	Not reported

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

[Debian 12 (Bookworm)]

[jetty9]Unknown
Details (4)
- 9.4.57-1.1~deb12u1 · all · bookworm
  Fixed · Fixed: 9.4.38-1
  dsa · jetty9 · debian · bookworm; dsa · jetty9 · debian · 12
- 9.4.57-1.1~deb12u1 · all · bookworm
  Fixed · Fixed: 9.4.38-1
  dsa · jetty9 · debian · bookworm; dsa · jetty9 · debian · 12
- 9.4.57-1.1~deb12u1 · all · bookworm-security
  Fixed · Fixed: 9.4.38-1
  dsa · jetty9 · debian · bookworm; dsa · jetty9 · debian · 12
- 9.4.57-1.1~deb12u1 · all · bookworm-security
  Fixed · Fixed: 9.4.38-1
  dsa · jetty9 · debian · bookworm; dsa · jetty9 · debian · 12
[libjetty9-extra-java]Unknown
Source package: [jetty9]
Details (4)
- 9.4.57-1.1~deb12u1 · all · bookworm
  Fixed · Fixed: 9.4.38-1
  dsa · jetty9 · debian · bookworm; dsa · jetty9 · debian · 12
- 9.4.57-1.1~deb12u1 · all · bookworm
  Fixed · Fixed: 9.4.38-1
  dsa · jetty9 · debian · bookworm; dsa · jetty9 · debian · 12
- 9.4.57-1.1~deb12u1 · all · bookworm-security
  Fixed · Fixed: 9.4.38-1
  dsa · jetty9 · debian · bookworm; dsa · jetty9 · debian · 12
- 9.4.57-1.1~deb12u1 · all · bookworm-security
  Fixed · Fixed: 9.4.38-1
  dsa · jetty9 · debian · bookworm; dsa · jetty9 · debian · 12
[libjetty9-java]Unknown
Source package: [jetty9]
Details (4)
- 9.4.57-1.1~deb12u1 · all · bookworm
  Fixed · Fixed: 9.4.38-1
  dsa · jetty9 · debian · bookworm; dsa · jetty9 · debian · 12
- 9.4.57-1.1~deb12u1 · all · bookworm
  Fixed · Fixed: 9.4.38-1
  dsa · jetty9 · debian · bookworm; dsa · jetty9 · debian · 12
- 9.4.57-1.1~deb12u1 · all · bookworm-security
  Fixed · Fixed: 9.4.38-1
  dsa · jetty9 · debian · bookworm; dsa · jetty9 · debian · 12
- 9.4.57-1.1~deb12u1 · all · bookworm-security
  Fixed · Fixed: 9.4.38-1
  dsa · jetty9 · debian · bookworm; dsa · jetty9 · debian · 12

[Debian 13 (Trixie)]

[jetty9]Unknown
Details (4)
- 9.4.57-1.1~deb13u1 · all · trixie
  Fixed · Fixed: 9.4.38-1
  dsa · jetty9 · debian · 13
- 9.4.57-1.1~deb13u1 · all · trixie
  Fixed · Fixed: 9.4.38-1
  dsa · jetty9 · debian · 13
- 9.4.57-1.1~deb13u1 · all · trixie-security
  Fixed · Fixed: 9.4.38-1
  dsa · jetty9 · debian · 13
- 9.4.57-1.1~deb13u1 · all · trixie-security
  Fixed · Fixed: 9.4.38-1
  dsa · jetty9 · debian · 13
[libjetty9-extra-java]Unknown
Source package: [jetty9]
Details (4)
- 9.4.57-1.1~deb13u1 · all · trixie
  Fixed · Fixed: 9.4.38-1
  dsa · jetty9 · debian · 13
- 9.4.57-1.1~deb13u1 · all · trixie
  Fixed · Fixed: 9.4.38-1
  dsa · jetty9 · debian · 13
- 9.4.57-1.1~deb13u1 · all · trixie-security
  Fixed · Fixed: 9.4.38-1
  dsa · jetty9 · debian · 13
- 9.4.57-1.1~deb13u1 · all · trixie-security
  Fixed · Fixed: 9.4.38-1
  dsa · jetty9 · debian · 13
[libjetty9-java]Unknown
Source package: [jetty9]
Details (4)
- 9.4.57-1.1~deb13u1 · all · trixie
  Fixed · Fixed: 9.4.38-1
  dsa · jetty9 · debian · 13
- 9.4.57-1.1~deb13u1 · all · trixie
  Fixed · Fixed: 9.4.38-1
  dsa · jetty9 · debian · 13
- 9.4.57-1.1~deb13u1 · all · trixie-security
  Fixed · Fixed: 9.4.38-1
  dsa · jetty9 · debian · 13
- 9.4.57-1.1~deb13u1 · all · trixie-security
  Fixed · Fixed: 9.4.38-1
  dsa · jetty9 · debian · 13

Observed: Oct 23, 2026, 5:50:34 PM UTC

References

[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]