CVE-2021-20212 describes a memory leak vulnerability in Privoxy versions prior to 3.0.29. This flaw occurs when multiple filters are processed and the final filter is skipped due to a PCRE error, potentially leading to a system crash. With a CVSS score of 7.5 (High), this vulnerability is remotely exploitable with low attack complexity, requiring no user interaction or privileges, and primarily impacts system availability. There is currently no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 3.0.29CPE matchmatch criteria | cpe:2.3:a:privoxy:privoxy:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.