Resource exhaustion in Privoxy
CVE-2021-20216
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.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.023 (82.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 82.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.023 · newest: 0.023 · change: 0.000
Affected products
- Privoxy
- Privoxy — versions privoxy 3.0.31
Weakness classification (CWE)
References
- bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
- www.openwall.com/lists/oss-security/2021/01/31/2 (Mailing List, Third Party Advisory, Release Notes)
- www.privoxy.org/3.0.31/user-manual/whatsnew.html (Release Notes, Vendor Advisory)
- security.gentoo.org/glsa/202107-16 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-20216?
- CVE-2021-20216 is a high-severity vulnerability in Privoxy, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2021-03-25.
- How severe is CVE-2021-20216?
- High severity. CVSS v3 base score is 7.5 out of 10.