Home/CVE/A flaw was found in privoxy before 3.0.32. Invalid memory access with an invalid pattern passed to pcre_compile() may le
CVE

CVE-2021-20276

A flaw was found in privoxy before 3.0.32. Invalid memory access with an invalid pattern passed to pcre_compile() may le

A flaw was found in privoxy before 3.0.32. Invalid memory access with an invalid pattern passed to pcre_compile() may lead to denial of service.

HIGH · CVSS 7.5 EPSS 0.02553
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
▤

Affected Products & Versions

2
privoxy< 3.0.32
debian linuxall versions
▣

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 NVD09 Mar 2021 · 02:15 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-2021:0460-1
suse-csafopenSUSE-SU-2021:0443-1
🔗

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=1936668Issue TrackingPatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2021/03/msg00009.htmlThird Party Advisory
https://security.gentoo.org/glsa/202107-16Third Party Advisory
https://www.privoxy.org/announce.txtRelease NotesVendor Advisory
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