-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

====================================================================                   Red Hat Security Advisory

Synopsis:          Important: squid:4 security update
Advisory ID:       RHSA-2022:5528-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2022:5528
Issue date:        2022-07-07
CVE Names:         CVE-2021-46784 
====================================================================
1. Summary:

An update for the squid:4 module is now available for Red Hat Enterprise
Linux 8.4 Extended Update Support.

Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux AppStream EUS (v.8.4) - aarch64, ppc64le, s390x, x86_64

3. Description:

Squid is a high-performance proxy caching server for web clients,
supporting FTP, Gopher, and HTTP data objects.

Security Fix(es):

* squid: DoS when processing gopher server responses (CVE-2021-46784)

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

After installing this update, the squid service will be restarted
automatically.

5. Bugs fixed (https://bugzilla.redhat.com/):

2100721 - CVE-2021-46784 squid: DoS when processing gopher server responses

6. Package List:

Red Hat Enterprise Linux AppStream EUS (v.8.4):

Source:
libecap-1.0.1-2.module+el8.1.0+4044+36416a77.src.rpm
squid-4.11-4.module+el8.4.0+15802+77c2cdda.3.src.rpm

aarch64:
libecap-1.0.1-2.module+el8.1.0+4044+36416a77.aarch64.rpm
libecap-debuginfo-1.0.1-2.module+el8.1.0+4044+36416a77.aarch64.rpm
libecap-debugsource-1.0.1-2.module+el8.1.0+4044+36416a77.aarch64.rpm
libecap-devel-1.0.1-2.module+el8.1.0+4044+36416a77.aarch64.rpm
squid-4.11-4.module+el8.4.0+15802+77c2cdda.3.aarch64.rpm
squid-debuginfo-4.11-4.module+el8.4.0+15802+77c2cdda.3.aarch64.rpm
squid-debugsource-4.11-4.module+el8.4.0+15802+77c2cdda.3.aarch64.rpm

ppc64le:
libecap-1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le.rpm
libecap-debuginfo-1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le.rpm
libecap-debugsource-1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le.rpm
libecap-devel-1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le.rpm
squid-4.11-4.module+el8.4.0+15802+77c2cdda.3.ppc64le.rpm
squid-debuginfo-4.11-4.module+el8.4.0+15802+77c2cdda.3.ppc64le.rpm
squid-debugsource-4.11-4.module+el8.4.0+15802+77c2cdda.3.ppc64le.rpm

s390x:
libecap-1.0.1-2.module+el8.1.0+4044+36416a77.s390x.rpm
libecap-debuginfo-1.0.1-2.module+el8.1.0+4044+36416a77.s390x.rpm
libecap-debugsource-1.0.1-2.module+el8.1.0+4044+36416a77.s390x.rpm
libecap-devel-1.0.1-2.module+el8.1.0+4044+36416a77.s390x.rpm
squid-4.11-4.module+el8.4.0+15802+77c2cdda.3.s390x.rpm
squid-debuginfo-4.11-4.module+el8.4.0+15802+77c2cdda.3.s390x.rpm
squid-debugsource-4.11-4.module+el8.4.0+15802+77c2cdda.3.s390x.rpm

x86_64:
libecap-1.0.1-2.module+el8.1.0+4044+36416a77.x86_64.rpm
libecap-debuginfo-1.0.1-2.module+el8.1.0+4044+36416a77.x86_64.rpm
libecap-debugsource-1.0.1-2.module+el8.1.0+4044+36416a77.x86_64.rpm
libecap-devel-1.0.1-2.module+el8.1.0+4044+36416a77.x86_64.rpm
squid-4.11-4.module+el8.4.0+15802+77c2cdda.3.x86_64.rpm
squid-debuginfo-4.11-4.module+el8.4.0+15802+77c2cdda.3.x86_64.rpm
squid-debugsource-4.11-4.module+el8.4.0+15802+77c2cdda.3.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2021-46784
https://access.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is . More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2022 Red Hat, Inc.
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RedHat: RHSA-2022-5528:01 Important: squid:4 security update

An update for the squid:4 module is now available for Red Hat Enterprise Linux 8.4 Extended Update Support

Summary

Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects.
Security Fix(es):
* squid: DoS when processing gopher server responses (CVE-2021-46784)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.



Summary


Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://access.redhat.com/articles/11258
After installing this update, the squid service will be restarted automatically.

References

https://access.redhat.com/security/cve/CVE-2021-46784 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux AppStream EUS (v.8.4):
Source: libecap-1.0.1-2.module+el8.1.0+4044+36416a77.src.rpm squid-4.11-4.module+el8.4.0+15802+77c2cdda.3.src.rpm
aarch64: libecap-1.0.1-2.module+el8.1.0+4044+36416a77.aarch64.rpm libecap-debuginfo-1.0.1-2.module+el8.1.0+4044+36416a77.aarch64.rpm libecap-debugsource-1.0.1-2.module+el8.1.0+4044+36416a77.aarch64.rpm libecap-devel-1.0.1-2.module+el8.1.0+4044+36416a77.aarch64.rpm squid-4.11-4.module+el8.4.0+15802+77c2cdda.3.aarch64.rpm squid-debuginfo-4.11-4.module+el8.4.0+15802+77c2cdda.3.aarch64.rpm squid-debugsource-4.11-4.module+el8.4.0+15802+77c2cdda.3.aarch64.rpm
ppc64le: libecap-1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le.rpm libecap-debuginfo-1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le.rpm libecap-debugsource-1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le.rpm libecap-devel-1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le.rpm squid-4.11-4.module+el8.4.0+15802+77c2cdda.3.ppc64le.rpm squid-debuginfo-4.11-4.module+el8.4.0+15802+77c2cdda.3.ppc64le.rpm squid-debugsource-4.11-4.module+el8.4.0+15802+77c2cdda.3.ppc64le.rpm
s390x: libecap-1.0.1-2.module+el8.1.0+4044+36416a77.s390x.rpm libecap-debuginfo-1.0.1-2.module+el8.1.0+4044+36416a77.s390x.rpm libecap-debugsource-1.0.1-2.module+el8.1.0+4044+36416a77.s390x.rpm libecap-devel-1.0.1-2.module+el8.1.0+4044+36416a77.s390x.rpm squid-4.11-4.module+el8.4.0+15802+77c2cdda.3.s390x.rpm squid-debuginfo-4.11-4.module+el8.4.0+15802+77c2cdda.3.s390x.rpm squid-debugsource-4.11-4.module+el8.4.0+15802+77c2cdda.3.s390x.rpm
x86_64: libecap-1.0.1-2.module+el8.1.0+4044+36416a77.x86_64.rpm libecap-debuginfo-1.0.1-2.module+el8.1.0+4044+36416a77.x86_64.rpm libecap-debugsource-1.0.1-2.module+el8.1.0+4044+36416a77.x86_64.rpm libecap-devel-1.0.1-2.module+el8.1.0+4044+36416a77.x86_64.rpm squid-4.11-4.module+el8.4.0+15802+77c2cdda.3.x86_64.rpm squid-debuginfo-4.11-4.module+el8.4.0+15802+77c2cdda.3.x86_64.rpm squid-debugsource-4.11-4.module+el8.4.0+15802+77c2cdda.3.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/


Severity
Advisory ID: RHSA-2022:5528-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:5528
Issued Date: : 2022-07-07
CVE Names: CVE-2021-46784

Topic

An update for the squid:4 module is now available for Red Hat EnterpriseLinux 8.4 Extended Update Support.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.


Topic


 

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream EUS (v.8.4) - aarch64, ppc64le, s390x, x86_64


Bugs Fixed

2100721 - CVE-2021-46784 squid: DoS when processing gopher server responses


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