CVE-2020-26154

moderate-risk

Published 2020-09-30

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.

Do I need to act?

0.72% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 9.8/10 Critical

NETWORK / LOW complexity

Affected Products (7)

Libproxy

Fedora

Debian Linux

Leap

Affected Vendors

Debian Fedoraproject Opensuse Libproxy Project

References (16)

Issue Tracking http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00030.html

Issue Tracking http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00033.html

Issue Tracking https://bugs.debian.org/968366

Third Party Advisory https://github.com/libproxy/libproxy/pull/126

Mailing List https://lists.debian.org/debian-lts-announce/2020/11/msg00024.html

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...

Third Party Advisory https://www.debian.org/security/2020/dsa-4800

Issue Tracking http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00030.html

Issue Tracking http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00033.html

Issue Tracking https://bugs.debian.org/968366

Third Party Advisory https://github.com/libproxy/libproxy/pull/126

Mailing List https://lists.debian.org/debian-lts-announce/2020/11/msg00024.html

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...

Third Party Advisory https://www.debian.org/security/2020/dsa-4800

/ 100

moderate-risk

Severity 32/34 · Critical

Exploitability 2/34 · Minimal

Exposure 14/34 · Moderate