Home/CVE/A flaw was found in Privoxy in versions before 3.0.31. A memory leak that occurs when decompression fails unexpectedly m
CVE

CVE-2021-20216

A flaw was found in Privoxy in versions before 3.0.31. A memory leak that occurs when decompression fails unexpectedly m

A flaw was found in Privoxy in versions before 3.0.31. A memory leak that occurs when decompression fails unexpectedly may lead to a denial of service. The highest threat from this vulnerability is to system availability.

HIGH · CVSS 7.5 EPSS 0.01282
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-400Uncontrolled Resource Consumption
CWE-401Missing Release of Memory after Effective Lifetime
▤

Affected Products & Versions

1
privoxy< 3.0.31
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD25 Mar 2021 · 07:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

4
suse-csafopenSUSE-SU-2024:11193-1
usnUSN-4886-1
suse-csafopenSUSE-SU-2021:0279-1
suse-csafopenSUSE-SU-2021:0265-1
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://bugzilla.redhat.com/show_bug.cgi?id=1923256Issue TrackingThird Party Advisory
https://security.gentoo.org/glsa/202107-16Third Party Advisory
https://www.openwall.com/lists/oss-security/2021/01/31/2Mailing ListRelease NotesThird Party Advisory
https://www.privoxy.org/3.0.31/user-manual/whatsnew.htmlRelease NotesVendor Advisory
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