CVE-2021-20276

Description

A flaw was found in privoxy before 3.0.32. Invalid memory access with an invalid pattern passed to pcre_compile() may lead to denial of service.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 2.81% Top 15%
Vendor Advisory gentoo.org Vendor Advisory privoxy.org
Affected: n/a privoxy
Published at:
Updated at:

References

Link Tags
https://www.privoxy.org/announce.txt release notes vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1936668 issue tracking third party advisory patch
https://lists.debian.org/debian-lts-announce/2021/03/msg00009.html third party advisory mailing list
https://security.gentoo.org/glsa/202107-16 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-20276?
CVE-2021-20276 has been scored as a high severity vulnerability.
How to fix CVE-2021-20276?
To fix CVE-2021-20276, 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-2021-20276 being actively exploited in the wild?
It is possible that CVE-2021-20276 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-20276?
CVE-2021-20276 affects n/a privoxy.
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