CVE-2021-20213 — NULL Pointer Dereference in Privoxy

CWE-476 — NULL Pointer Dereference6 documents5 sources
Severity
7.5HIGHNVD
EPSS
1.3%
top 20.47%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
PrivoxyDebian Privoxy
Timeline
PublishedMar 25
Latest updateMay 24

Description

A flaw was found in Privoxy in versions before 3.0.29. Dereference of a NULL-pointer that could result in a crash if accept-intercepted-requests was enabled, Privoxy failed to get the request destination from the Host header and a memory allocation failed.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages5 packages

▶debiandebian/privoxy< privoxy 3.0.29-1 (bookworm)
▶NVDprivoxy/privoxy< 3.0.29
▶Debianprivoxy/privoxy< 3.0.29-1+3
▶Ubuntuprivoxy/privoxy< 3.0.24-1ubuntu0.1+3
▶CVEListV5privoxy/privoxyPrivoxy 3.0.29

Patches

Patch: bugzilla.redhat.com ↗Patch: bugzilla.redhat.com ↗

🔴Vulnerability Details

3
GHSA
GHSA-gwg6-gwm3-3g4w: A flaw was found in Privoxy in versions before 3↗2022-05-24
▶
OSV
CVE-2021-20213: A flaw was found in Privoxy in versions before 3↗2021-03-25
▶
OSV
privoxy vulnerabilities↗2021-03-22
▶

📋Vendor Advisories

2
Ubuntu
Privoxy vulnerabilities↗2021-03-22
▶
Debian
CVE-2021-20213: privoxy - A flaw was found in Privoxy in versions before 3.0.29. Dereference of a NULL-poi...↗2021
▶
CVE-2021-20213 — NULL Pointer Dereference in Privoxy | cvebase