CVE-2020-26154

Publication date 30 September 2020

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

9.8 · Critical

Score breakdown

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.

Status

Package Ubuntu Release Status
libproxy 20.10 groovy
Fixed 0.4.15-13ubuntu1.1
20.04 LTS focal
Fixed 0.4.15-10ubuntu1.2
18.04 LTS bionic
Fixed 0.4.15-1ubuntu0.2
16.04 LTS xenial
Fixed 0.4.11-5ubuntu1.2
14.04 LTS trusty Not in release

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
libproxy

Severity score breakdown

Parameter Value
Base score 9.8 · Critical
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-4673-1
    • libproxy vulnerability
    • 4 January 2021

Other references