CVE-2021-20275: Buffer Overflow
First published: Mon Mar 08 2021(Updated: )
A flaw was found in privoxy before 3.0.32. A invalid read of size two may occur in chunked_body_is_complete() leading 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=1936666
- 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=a912ba7bc9c
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1935974
Frequently Asked Questions
What is the vulnerability ID for this flaw in Privoxy?
The vulnerability ID for this flaw in Privoxy is CVE-2021-20275.
What is the severity of CVE-2021-20275?
The severity of CVE-2021-20275 is high with a severity value of 7.5.
How does CVE-2021-20275 impact Privoxy?
CVE-2021-20275 may lead to a denial of service by causing an invalid read of size two in chunked_body_is_complete().
Which software versions are affected by CVE-2021-20275?
Privoxy versions up to and excluding 3.0.32 and Debian Linux version 9.0 are affected by CVE-2021-20275.
How can I fix the vulnerability CVE-2021-20275?
To fix the vulnerability, update Privoxy to version 3.0.32 or newer and Debian Linux to a version higher than 9.0.
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