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Vulnerabilities / CVE-2020-10108

critical

CVE-2020-10108

python-twisted: HTTP request smuggling when presented with two Content-Length headers

Published Modified CWE 444
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
GHSA9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Red Hat7.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Trivy's own label is CRITICAL. Rated critical by NVD, GHSA, CBL-Mariner, Photon OS. Rated lower by Red Hat (high), Amazon (high), Oracle (high), Ubuntu (medium).

Description

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.

Affected packages and fixed versions

SourcePackageFixed in
CBL-Mariner 1.0python-twisted0:20.3.0-1.cm1
CBL-Mariner 2.0python-twisted0:22.2.0-1.cm2
Photon OS 1.0python-Twisted17.1.0-9.ph1
Photon OS 2.0python-Twisted17.5.0-4.ph2
Photon OS 3.0python-Twisted19.10.0-4.ph3
pip::GitHub Security Advisory piptwisted20.3.0
alpine 3.11py3-twisted20.3.0-r0
alpine 3.12py3-twisted20.3.0-r0
alpine 3.13py3-twisted20.3.0-r0
alpine 3.14py3-twisted20.3.0-r0
alpine 3.15py3-twisted20.3.0-r0
alpine 3.16py3-twisted20.3.0-r0
Show all 47 entries from 41 sources
SourcePackageFixed in
CBL-Mariner 1.0python-twisted0:20.3.0-1.cm1
CBL-Mariner 2.0python-twisted0:22.2.0-1.cm2
Photon OS 1.0python-Twisted17.1.0-9.ph1
Photon OS 2.0python-Twisted17.5.0-4.ph2
Photon OS 3.0python-Twisted19.10.0-4.ph3
pip::GitHub Security Advisory piptwisted20.3.0
alpine 3.11py3-twisted20.3.0-r0
alpine 3.12py3-twisted20.3.0-r0
alpine 3.13py3-twisted20.3.0-r0
alpine 3.14py3-twisted20.3.0-r0
alpine 3.15py3-twisted20.3.0-r0
alpine 3.16py3-twisted20.3.0-r0
alpine 3.17py3-twisted20.3.0-r0
alpine 3.18py3-twisted20.3.0-r0
alpine 3.19py3-twisted20.3.0-r0
alpine 3.20py3-twisted20.3.0-r0
alpine 3.21py3-twisted20.3.0-r0
alpine 3.22py3-twisted20.3.0-r0
alpine 3.23py3-twisted20.3.0-r0
alpine 3.24py3-twisted20.3.0-r0
alpine edgepy3-twisted20.3.0-r0
amazon linux 1python26-twisted-web8.2.0-6.6.amzn1
amazon linux 1python27-twisted-web8.2.0-6.6.amzn1
amazon linux 2python-twisted-web12.1.0-7.amzn2
debian 10twisted18.9.0-3+deb10u1
debian 11twisted18.9.0-7
debian 12twisted18.9.0-7
debian 13twisted18.9.0-7
debian 14twisted18.9.0-7
debian 8twisted14.0.2-3+deb8u1
debian 9twisted16.6.0-2+deb9u1
echotwisted18.9.0-7
Oracle Linux 6python-twisted-web8.2.0-6.el6_10
Oracle Linux 7python-twisted-web12.1.0-7.el7_8
Oracle Linux 8ol-automation-manager1.0.2-1.el8
Oracle Linux 8ol-automation-manager-cli1.0.2-1.el8
Oracle Linux 8python3-olamkit1.0.2-1.el8
Red Hatcalamari-serverno fix listed
Red Hatpython-twistedno fix listed
Red Hatpython2-twistedno fix listed
Red Hatpython3-twistedno fix listed
ubuntu 14.04-ESMtwisted13.2.0-1ubuntu1.2+esm1
ubuntu 16.04twisted16.0.0-1ubuntu0.4
ubuntu 16.04-ESMtwisted16.0.0-1ubuntu0.4
ubuntu 18.04twisted17.9.0-2ubuntu0.1
ubuntu 18.04-ESMtwisted17.9.0-2ubuntu0.1
ubuntu 19.10twisted18.9.0-3ubuntu1.1

References

All 25 references

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.