What is CVE-2021-20212?

CVE-2021-20212 is a high-severity vulnerability in Privoxy, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 7.5/10. Published 2021-03-25.

How severe is CVE-2021-20212?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Privoxy

CVE-2021-20212

A flaw was found in Privoxy in versions before 3.0.29. Memory leak if multiple filters are executed and the last one is skipped due to a pcre error leading to a system crash.

EPSS: 0.020 (79.0th percentile) — read the EPSS interpretation.

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.

Affected products

Privoxy
N/a Privoxy — versions Privoxy 3.0.29

Weakness classification (CWE)

CWE-401 — Missing Release of Memory after Effective Lifetime

References

secalert@redhat.com (x_refsource_MISC, Release Notes, Vendor Advisory)
secalert@redhat.com (Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
secalert@redhat.com (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)

Frequently asked questions

What is CVE-2021-20212?: CVE-2021-20212 is a high-severity vulnerability in Privoxy, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 7.5/10. Published 2021-03-25.
How severe is CVE-2021-20212?: High severity. CVSS v3 base score is 7.5 out of 10.