CVE-2016-1983

HIGH

Privoxy < 3.0.23 - Denial of Service via Empty HTTP Host Header

Title source: llm
STIX 2.1

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.

References (7)

Core 7
Core References
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2016/dsa-3460
Mailing List mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2016/01/22/3
Mailing List mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2016/01/21/4
Mailing List, Third Party Advisory vendor-advisory x_refsource_fedora
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176492.html
Mailing List, Third Party Advisory vendor-advisory x_refsource_fedora
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176475.html
Vendor Advisory x_refsource_confirm
http://www.privoxy.org/announce.txt

Scores

CVSS v3 7.5
EPSS 0.0287
EPSS Percentile 85.1%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-20
Status published
Products (1)
privoxy/privoxy < 3.0.23
Published Jan 27, 2016
Tracked Since Feb 18, 2026