CVE catalog

CVE-2020-10108

twisted: CVE-2020-10108

Severity: High · CVSS 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Published: Mar 11, 2020, 12:00:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 3.97% · Oct 27, 2026

In Twisted Web through 19.10.0, there was an HTTP request splitting vulnerability. When presented with two content-length headers, it ignored the first header. When the second content-length value was set to zero, the request body was interpreted as a pipelined request.

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	twisted	sid	`26.4.0-6`	fixed
Debian	twisted	forky	`26.4.0-6`	fixed
Debian	twisted	trixie	`24.11.0-1`	fixed
Debian	twisted	bookworm	`22.4.0-4+deb12u1`	fixed
Debian	twisted	bookworm-security	`22.4.0-4+deb12u1`	fixed
Ubuntu	twisted	pro	`13.0.0-1ubuntu1`	vulnerable
Ubuntu	twisted	pro	`13.2.0-1ubuntu1`	vulnerable
Ubuntu	twisted	pro	`13.2.0-1ubuntu1.2`	vulnerable
Ubuntu	twisted	pro	`13.2.0-1ubuntu1.2+esm1`	fixed
Ubuntu	twisted	16.04	`15.2.1-1ubuntu2`	vulnerable
Ubuntu	twisted	16.04	`15.5.0-1`	vulnerable
Ubuntu	twisted	16.04	`15.5.0-2`	vulnerable
Ubuntu	twisted	16.04	`15.5.0-2ubuntu1`	vulnerable
Ubuntu	twisted	16.04	`15.5.0-4`	vulnerable
Ubuntu	twisted	16.04	`16.0.0~pre1-1`	vulnerable
Ubuntu	twisted	16.04	`16.0.0~pre1-1ubuntu1`	vulnerable
Ubuntu	twisted	16.04	`16.0.0~pre1-2ubuntu1`	vulnerable
Ubuntu	twisted	16.04	`16.0.0~pre1-3`	vulnerable
Ubuntu	twisted	16.04	`16.0.0-1`	vulnerable
Ubuntu	twisted	16.04	`16.0.0-1ubuntu0.2`	vulnerable
Ubuntu	twisted	16.04	`16.0.0-1ubuntu0.4`	fixed
Ubuntu	twisted	18.04	`16.6.0-2ubuntu3`	vulnerable
Ubuntu	twisted	18.04	`17.9.0-1`	vulnerable
Ubuntu	twisted	18.04	`17.9.0-2`	vulnerable
Ubuntu	twisted	18.04	`17.9.0-2ubuntu0.1`	fixed
Suse	python-Twisted	hpe helion openstack 8	`15.2.1-9.20.1`	fixed
Suse	python-Twisted	openstack cloud 8	`15.2.1-9.20.1`	fixed
Suse	python-Twisted	openstack cloud 9	`15.2.1-9.20.1`	fixed
Suse	python-Twisted	openstack cloud crowbar 8	`15.2.1-9.20.1`	fixed
Suse	python-Twisted	openstack cloud crowbar 9	`15.2.1-9.20.1`	fixed
Suse	python-Twisted	linux enterprise module for web and scripting 12	`15.2.1-9.20.1`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	twisted	source	sid	`18.9.0-7`	not yet assigned	Not reported	[953950]
Debian	twisted	source	forky	`18.9.0-7`	not yet assigned	Not reported	[953950]
Debian	twisted	source	trixie	`18.9.0-7`	not yet assigned	Not reported	[953950]
Debian	twisted	source	bookworm	`18.9.0-7`	not yet assigned	Not reported	[953950]
Ubuntu	twisted	deb	pro	`13.2.0-1ubuntu1.2+esm1`	Not reported	UBUNTU-CVE-2020-10108	Not reported
Ubuntu	twisted	deb	16.04	`16.0.0-1ubuntu0.4`	Not reported	UBUNTU-CVE-2020-10108	Not reported
Ubuntu	twisted	deb	18.04	`17.9.0-2ubuntu0.1`	Not reported	UBUNTU-CVE-2020-10108	Not reported
Suse	python-Twisted	rpm	hpe helion openstack 8	`15.2.1-9.20.1`	Not reported	SUSE-SU-2022:2811-1	Not reported
Suse	python-Twisted	rpm	openstack cloud 8	`15.2.1-9.20.1`	Not reported	SUSE-SU-2022:2811-1	Not reported
Suse	python-Twisted	rpm	openstack cloud 9	`15.2.1-9.20.1`	Not reported	SUSE-SU-2022:2811-1	Not reported
Suse	python-Twisted	rpm	openstack cloud crowbar 8	`15.2.1-9.20.1`	Not reported	SUSE-SU-2022:2811-1	Not reported
Suse	python-Twisted	rpm	openstack cloud crowbar 9	`15.2.1-9.20.1`	Not reported	SUSE-SU-2022:2811-1	Not reported
Suse	python-Twisted	rpm	linux enterprise module for web and scripting 12	`15.2.1-9.20.1`	Not reported	SUSE-SU-2022:2811-1	Not reported

[Debian bug #953950]

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[python3-twisted]Fixed
Source package: [twisted]
Details (4)
- 22.4.0-4+deb12u1 · all · bookworm
  Fixed · Fixed: 18.9.0-7
  dsa · twisted · debian · bookworm; dsa · twisted · debian · 12
- 22.4.0-4+deb12u1 · all · bookworm
  Fixed · Fixed: 18.9.0-7
  dsa · twisted · debian · bookworm; dsa · twisted · debian · 12
- 22.4.0-4+deb12u1 · all · bookworm-security
  Fixed · Fixed: 18.9.0-7
  dsa · twisted · debian · bookworm; dsa · twisted · debian · 12
- 22.4.0-4+deb12u1 · all · bookworm-security
  Fixed · Fixed: 18.9.0-7
  dsa · twisted · debian · bookworm; dsa · twisted · debian · 12
[twisted-doc]Fixed
Source package: [twisted]
Details (4)
- 22.4.0-4+deb12u1 · all · bookworm
  Fixed · Fixed: 18.9.0-7
  dsa · twisted · debian · bookworm; dsa · twisted · debian · 12
- 22.4.0-4+deb12u1 · all · bookworm
  Fixed · Fixed: 18.9.0-7
  dsa · twisted · debian · bookworm; dsa · twisted · debian · 12
- 22.4.0-4+deb12u1 · all · bookworm-security
  Fixed · Fixed: 18.9.0-7
  dsa · twisted · debian · bookworm; dsa · twisted · debian · 12
- 22.4.0-4+deb12u1 · all · bookworm-security
  Fixed · Fixed: 18.9.0-7
  dsa · twisted · debian · bookworm; dsa · twisted · debian · 12

[Debian 13 (Trixie)]

[python3-twisted]Fixed
Source package: [twisted]
Details (2)
- 24.11.0-1 · all · trixie
  Fixed · Fixed: 18.9.0-7
  dsa · twisted · debian · 13
- 24.11.0-1 · all · trixie
  Fixed · Fixed: 18.9.0-7
  dsa · twisted · debian · 13
[twisted-doc]Fixed
Source package: [twisted]
Details (2)
- 24.11.0-1 · all · trixie
  Fixed · Fixed: 18.9.0-7
  dsa · twisted · debian · 13
- 24.11.0-1 · all · trixie
  Fixed · Fixed: 18.9.0-7
  dsa · twisted · debian · 13

Observed: Oct 23, 2026, 5:46:13 PM UTC

References

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