CVE-2016-1983
high
CVSS v3
7.5
CVSS v4 NEW
—
VIR risk
7.5
Description
The client_host function in parsers.c in Privoxy before 3.0.24 allows remote attackers to cause a denial of service (invalid read and crash) via an empty HTTP Host header.
Predictions
Exploit likelihood
83%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | fixed | 3.0.24-1 |
| debian | bullseye | fixed | 3.0.24-1 |
| debian | forky | fixed | 3.0.24-1 |
| debian | sid | fixed | 3.0.24-1 |
| debian | trixie | fixed | 3.0.24-1 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| privoxy | privoxy | {"endIncluding":"3.0.23"} | |
References
- https://www.suse.com/security/cve/CVE-2016-1983.html
- http://ijbswa.cvs.sourceforge.net/viewvc/ijbswa/current/parsers.c?r1=1.302&r2=1.303
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176475.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176492.html
- http://www.debian.org/security/2016/dsa-3460
- http://www.openwall.com/lists/oss-security/2016/01/21/4
- http://www.openwall.com/lists/oss-security/2016/01/22/3
- http://www.privoxy.org/announce.txt
- https://security-tracker.debian.org/tracker/CVE-2016-1983
CWEs
CWE-20
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.