Description
Multiple use-after-free vulnerabilities in Privoxy before 3.0.22 allow remote attackers to have unspecified impact via vectors related to (1) the unmap function in list.c or (2) "two additional unconfirmed use-after-free complaints made by Coverity scan." NOTE: some of these details are obtained from third party information.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | privoxy | 3.0.21-5 | — |
| Debian 13 | privoxy | 3.0.21-5 | — |
| Debian 12 | privoxy | 3.0.21-5 | — |
| Debian 7 | privoxy | 3.0.19-2+deb7u1 | DSA-3133-1 |
| Debian 6.0 | privoxy | 3.0.16-1+deb6u1 | DLA-142-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | privoxy | 3.0.26-1.1 | openSUSE-SU-2024:10494-1 |
Advisories 3
- DSA-3133-1 privoxy - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-142-1 privoxy - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:10494-1 privoxy-3.0.26-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- DSA-3133 vendor-advisory
- 62123 third-party-advisory
- [oss-security] 20150110 Re: CVE Request for Privoxy Version: 3.0.22 mailing-list
- http://www.privoxy.org/announce.txt