CVE-2020-26154

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.89% Top 30%
Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory debian.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/libproxy/libproxy/pull/126 third party advisory
https://bugs.debian.org/968366 issue tracking third party advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3BID3HVHAF6DA3YJOFDBSAZSMR3ODNIW/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WZVZXTFMFTSML3J6OOCDBDYH474BRJSW/ vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00030.html issue tracking third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00033.html issue tracking third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2020/11/msg00024.html third party advisory mailing list
https://www.debian.org/security/2020/dsa-4800 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-26154?
CVE-2020-26154 has been scored as a critical severity vulnerability.
How to fix CVE-2020-26154?
To fix CVE-2020-26154, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-26154 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-26154 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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