VulnerabilityModified
CVE-2021-20213
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.
HIGH 7.5EPSS 1.57%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.57%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.57% probability · 74th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- privoxy/privoxy
- Source
- secalert@redhat.com
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1928739Issue Tracking, Patch, Third Party Advisory
- https://security.gentoo.org/glsa/202107-16Third Party Advisory
- https://www.privoxy.org/3.0.29/user-manual/whatsnew.htmlRelease Notes, Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1928739Issue Tracking, Patch, Third Party Advisory
- https://security.gentoo.org/glsa/202107-16Third Party Advisory
- https://www.privoxy.org/3.0.29/user-manual/whatsnew.htmlRelease Notes, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.