Vulnerability · Published Dec 23, 2021 · Assigned by redhat
CVE-2021-44540
High 7.5
In plain English
A high-severity memory leak in Privoxy. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 72% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.5High
Exploit odds (30 days)1.4%top 27.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A vulnerability was found in Privoxy which was fixed in get_url_spec_param() by freeing memory of compiled pattern spec before bailing.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | privoxy | 3.0.33-r0 | ALPINE-CVE-2021-44540 |
| Alpine:v3.21 | privoxy | 3.0.33-r0 | ALPINE-CVE-2021-44540 |
| Alpine:v3.22 | privoxy | 3.0.33-r0 | ALPINE-CVE-2021-44540 |
| Alpine:v3.23 | privoxy | 3.0.33-r0 | ALPINE-CVE-2021-44540 |
| Alpine:v3.24 | privoxy | 3.0.33-r0 | ALPINE-CVE-2021-44540 |
| Debian:12 | privoxy | 3.0.33-1 | DEBIAN-CVE-2021-44540 |
| Debian:13 | privoxy | 3.0.33-1 | DEBIAN-CVE-2021-44540 |
| Debian:14 | privoxy | 3.0.33-1 | DEBIAN-CVE-2021-44540 |
Affected products (as reported)
Weakness: CWE-401
References
- https://www.privoxy.org/3.0.33/user-manual/whatsnew.html%2C x_refsource_MISC
- https://www.privoxy.org/gitweb/?p=privoxy.git%3Ba=commit%3Bh=652b4b7cb0 x_refsource_MISC