ELSA-2021-4292: Security update for 3 packages

ELSA-2021-4292, released November 16, 2021, fixes 7 CVEs across 3 products. None of them is reported as exploited. Patch Radar priority: High.

High

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

7.4

Base score, 0 to 10

Highest EPSS

0.9533

99th percentile

Priority of the 7 CVEs

Patch now 0
                                Urgent 0
                                High 1
                                Routine 6

Fixed package versions

Product	Release	Fixed in
libecap	ol 8	0:1.0.1-2.module+el8.3.0+7819+eb7d4ef6
libecap-devel	ol 8	0:1.0.1-2.module+el8.3.0+7819+eb7d4ef6
squid	ol 8	7:4.15-1.module+el8.5.0+20327+24c223d9

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2021-28651	squid: An issue was discovered in Squid before 4.15 and 5.x before 5.0.6	7.4	0.0745	None reported
Routine	CVE-2021-31806	squid: An issue was discovered in Squid before 4.15 and 5.x before 5.0.6	6.5	0.9533	None reported
Routine	CVE-2021-33620	squid: Squid before 4.15 and 5.x before 5.0.6 allows remote servers to cause adenial of service (affecting availability to a...	6.5	0.7958	None reported
Routine	CVE-2021-28662	squid: An issue was discovered in Squid 4.x before 4.15 and 5.x before 5.0.6	6.5	0.7176	None reported
Routine	CVE-2021-31807	squid-openssl: An issue was discovered in Squid before 4.15 and 5.x before 5.0.6	6.5	0.1556	None reported
Routine	CVE-2021-31808	squid: An issue was discovered in Squid before 4.15 and 5.x before 5.0.6	6.5	0.0534	None reported
Routine	CVE-2021-28652	squid: An issue was discovered in Squid before 4.15 and 5.x before 5.0.6	6.8	0.0434	None reported

Also fixes CVE-2021-28651

RHSA-2021:4292
libecap, libecap-devel, squid on RHEL 8
squid 4.10-1ubuntu1.4
squid on Ubuntu 20.04 LTS (focal)
squid-cgi 4.10-1ubuntu1.4
squid-cgi on Ubuntu 20.04 LTS (focal)
squid-common 4.10-1ubuntu1.4
squid-common on Ubuntu 20.04 LTS (focal)
squid-purge 4.10-1ubuntu1.4
squid-purge on Ubuntu 20.04 LTS (focal)
squidclient 4.10-1ubuntu1.4
squidclient on Ubuntu 20.04 LTS (focal)
squid 3.5.27-1ubuntu1.11
squid on Ubuntu 18.04.6 LTS (bionic)
squid-cgi 3.5.27-1ubuntu1.11
squid-cgi on Ubuntu 18.04.6 LTS (bionic)

Vendor advisory

https://linux.oracle.com/errata/ELSA-2021-4292.html

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