Red Hat Security Advisory 2022-5530-01 - Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects. Issues addressed include a denial of service vulnerability.
131f2c75963f1021c4997c71365c7de23ade1b23838c863a830bfcd09844472f
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
====================================================================
Red Hat Security Advisory
Synopsis: Important: squid:4 security update
Advisory ID: RHSA-2022:5530-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:5530
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 8.1 Update Services for SAP Solutions.
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 E4S (v. 8.1) - 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 E4S (v. 8.1):
Source:
libecap-1.0.1-2.module+el8.1.0+4044+36416a77.src.rpm
squid-4.4-8.module+el8.1.0+15805+9a5539dc.4.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-4.4-8.module+el8.1.0+15805+9a5539dc.4.aarch64.rpm
squid-debuginfo-4.4-8.module+el8.1.0+15805+9a5539dc.4.aarch64.rpm
squid-debugsource-4.4-8.module+el8.1.0+15805+9a5539dc.4.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-4.4-8.module+el8.1.0+15805+9a5539dc.4.ppc64le.rpm
squid-debuginfo-4.4-8.module+el8.1.0+15805+9a5539dc.4.ppc64le.rpm
squid-debugsource-4.4-8.module+el8.1.0+15805+9a5539dc.4.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-4.4-8.module+el8.1.0+15805+9a5539dc.4.s390x.rpm
squid-debuginfo-4.4-8.module+el8.1.0+15805+9a5539dc.4.s390x.rpm
squid-debugsource-4.4-8.module+el8.1.0+15805+9a5539dc.4.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-4.4-8.module+el8.1.0+15805+9a5539dc.4.x86_64.rpm
squid-debuginfo-4.4-8.module+el8.1.0+15805+9a5539dc.4.x86_64.rpm
squid-debugsource-4.4-8.module+el8.1.0+15805+9a5539dc.4.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 <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2022 Red Hat, Inc.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1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4/WI
-----END PGP SIGNATURE-----
--
RHSA-announce mailing list
RHSA-announce@redhat.com
https://listman.redhat.com/mailman/listinfo/rhsa-announce