CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
82.0%
Debian LTS Advisory DLA-2587-1 [email protected]
https://www.debian.org/lts/security/ Abhijith PA
March 09, 2021 https://wiki.debian.org/LTS
Package : privoxy
Version : 3.0.26-3+deb9u2
CVE ID : CVE-2021-20272 CVE-2021-20273 CVE-2021-20275
CVE-2021-20276
Multiple vulnerabilites were discovered in privoxy, a web proxy with
advanced filtering capabilities.
CVE-2021-20272
An assertion failure could be triggered with a crafted CGI
request leading to server crash.
CVE-2021-20273
A crash can occur via a crafted CGI request if Privoxy is toggled
off.
CVE-2021-20275
An invalid read of size two may occur in
chunked_body_is_complete() leading to denial of service.
CVE-2021-20276
Invalid memory access with an invalid pattern passed to
pcre_compile() may lead to denial of service.
For Debian 9 stretch, these problems have been fixed in version
3.0.26-3+deb9u2.
We recommend that you upgrade your privoxy packages.
For the detailed security status of privoxy please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/privoxy
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 9 | i386 | privoxy | < 3.0.26-3+deb9u2 | privoxy_3.0.26-3+deb9u2_i386.deb |
Debian | 10 | s390x | privoxy-dbgsym | < 3.0.28-2+deb10u1 | privoxy-dbgsym_3.0.28-2+deb10u1_s390x.deb |
Debian | 10 | mipsel | privoxy-dbgsym | < 3.0.28-2+deb10u1 | privoxy-dbgsym_3.0.28-2+deb10u1_mipsel.deb |
Debian | 10 | mips64el | privoxy-dbgsym | < 3.0.28-2+deb10u1 | privoxy-dbgsym_3.0.28-2+deb10u1_mips64el.deb |
Debian | 10 | ppc64el | privoxy-dbgsym | < 3.0.28-2+deb10u1 | privoxy-dbgsym_3.0.28-2+deb10u1_ppc64el.deb |
Debian | 9 | armel | privoxy | < 3.0.26-3+deb9u2 | privoxy_3.0.26-3+deb9u2_armel.deb |
Debian | 9 | arm64 | privoxy | < 3.0.26-3+deb9u2 | privoxy_3.0.26-3+deb9u2_arm64.deb |
Debian | 10 | arm64 | privoxy | < 3.0.28-2+deb10u1 | privoxy_3.0.28-2+deb10u1_arm64.deb |
Debian | 9 | all | privoxy | < 3.0.26-3+deb9u2 | privoxy_3.0.26-3+deb9u2_all.deb |
Debian | 10 | armel | privoxy | < 3.0.28-2+deb10u1 | privoxy_3.0.28-2+deb10u1_armel.deb |
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
82.0%