Attestkeep
Language: English
Sign up

Vulnerabilities / CVE-2020-26154

critical

CVE-2020-26154

libproxy: sending more than 102400 bytes in PAC without a Content-Length present could result in buffer overflow

Published Modified CWE 120
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
Red Hat7.5CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Trivy's own label is CRITICAL. Rated critical by NVD, CBL-Mariner. Rated lower by Red Hat (medium), Ubuntu (medium).

Description

url.cpp in libproxy through 0.4.15 is prone to a buffer overflow when PAC is enabled, as demonstrated by a large PAC file that is delivered without a Content-length header.

Affected packages and fixed versions

SourcePackageFixed in
CBL-Mariner 2.0libproxy0:0.4.17-5.cm2
alpine 3.12libproxy0.4.15-r8
alpine 3.13libproxy0.4.15-r9
alpine 3.14libproxy0.4.15-r9
alpine 3.15libproxy0.4.15-r9
alpine 3.16libproxy0.4.15-r9
alpine 3.17libproxy0.4.15-r9
alpine 3.18libproxy0.4.15-r9
alpine 3.19libproxy0.4.15-r9
alpine 3.20libproxy0.4.15-r9
alpine 3.21libproxy0.4.15-r9
alpine 3.22libproxy0.4.15-r9
Show all 29 entries from 29 sources
SourcePackageFixed in
CBL-Mariner 2.0libproxy0:0.4.17-5.cm2
alpine 3.12libproxy0.4.15-r8
alpine 3.13libproxy0.4.15-r9
alpine 3.14libproxy0.4.15-r9
alpine 3.15libproxy0.4.15-r9
alpine 3.16libproxy0.4.15-r9
alpine 3.17libproxy0.4.15-r9
alpine 3.18libproxy0.4.15-r9
alpine 3.19libproxy0.4.15-r9
alpine 3.20libproxy0.4.15-r9
alpine 3.21libproxy0.4.15-r9
alpine 3.22libproxy0.4.15-r9
alpine 3.23libproxy0.4.15-r9
alpine 3.24libproxy0.4.15-r9
alpine edgelibproxy0.4.15-r9
debian 10libproxy0.4.15-5+deb10u1
debian 11libproxy0.4.15-15
debian 12libproxy0.4.15-15
debian 13libproxy0.4.15-15
debian 14libproxy0.4.15-15
debian 9libproxy0.4.14-2+deb9u2
echolibproxy0.4.15-15
ubuntu 16.04libproxy0.4.11-5ubuntu1.2
ubuntu 16.04-ESMlibproxy0.4.11-5ubuntu1.2
ubuntu 18.04libproxy0.4.15-1ubuntu0.2
ubuntu 18.04-ESMlibproxy0.4.15-1ubuntu0.2
ubuntu 20.04libproxy0.4.15-10ubuntu1.2
ubuntu 20.04-ESMlibproxy0.4.15-10ubuntu1.2
ubuntu 20.10libproxy0.4.15-13ubuntu1.1

References

All 12 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.