CVE-2021-20276: Buffer Overflow
First published: Mon Mar 08 2021(Updated: )
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.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Privoxy Privoxy | <3.0.32 | |
| Debian Debian Linux | =9.0 | |
| redhat/privoxy | <3.0.32 | 3.0.32 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=1936668
- https://lists.debian.org/debian-lts-announce/2021/03/msg00009.html
- https://security.gentoo.org/glsa/202107-16
- https://www.privoxy.org/announce.txt
- https://www.privoxy.org/gitweb/?p=privoxy.git;a=commit;h=28512e5b624
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1935974
Frequently Asked Questions
What is CVE-2021-20276?
CVE-2021-20276 is a vulnerability found in Privoxy before version 3.0.32 that allows for invalid memory access, potentially leading to a denial of service.
What is the severity of CVE-2021-20276?
The severity of CVE-2021-20276 is high, with a severity score of 7.5.
Which software versions are affected by CVE-2021-20276?
Privoxy versions up to but excluding 3.0.32 and Debian Linux version 9.0 are affected by CVE-2021-20276.
How can I fix CVE-2021-20276?
To fix CVE-2021-20276, users should update Privoxy to version 3.0.32 or newer, or upgrade to a later version of Debian Linux.
What is the Common Weakness Enumeration (CWE) ID for CVE-2021-20276?
The CWE ID for CVE-2021-20276 is CWE-119.
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