Vulnerability · Published Mar 9, 2021 · Assigned by redhat
CVE-2021-20274
High 7.5
In plain English
A high-severity null pointer dereference in privoxy. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.9% (higher than 80% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.5High
Exploit odds (30 days)1.9%top 20.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A flaw was found in privoxy before 3.0.32. A crash may occur due a NULL-pointer dereference when the socks server misbehaves.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | privoxy | 3.0.32-r0 | ALPINE-CVE-2021-20274 |
| Alpine:v3.21 | privoxy | 3.0.32-r0 | ALPINE-CVE-2021-20274 |
| Alpine:v3.22 | privoxy | 3.0.32-r0 | ALPINE-CVE-2021-20274 |
| Alpine:v3.23 | privoxy | 3.0.32-r0 | ALPINE-CVE-2021-20274 |
| Alpine:v3.24 | privoxy | 3.0.32-r0 | ALPINE-CVE-2021-20274 |
| Debian:12 | privoxy | 3.0.32-1 | DEBIAN-CVE-2021-20274 |
| Debian:13 | privoxy | 3.0.32-1 | DEBIAN-CVE-2021-20274 |
| Debian:14 | privoxy | 3.0.32-1 | DEBIAN-CVE-2021-20274 |
Affected products (as reported)
Weakness: CWE-476
References
- https://www.privoxy.org/announce.txt x_refsource_MISC
- https://bugzilla.redhat.com/show_bug.cgi?id=1936662 x_refsource_MISC
- GLSA-202107-16 vendor-advisory, x_refsource_GENTOO