libcurl4 7.74.0-1.3ubuntu2: libcurl4 7.74.0-1.3ubuntu2 for Ubuntu 22.04.1 LTS (jammy)

libcurl4 7.74.0-1.3ubuntu2, released September 14, 2021, fixes 3 CVEs in libcurl4. None of them is reported as exploited. Patch Radar priority: Urgent.

Urgent1 publicly disclosed

CVEs closed

1 rated Critical

Exploited

None reported

Highest CVSS

7.5

Base score, 0 to 10

Highest EPSS

0.0668

93rd percentile

Priority of the 3 CVEs

Patch now 0
                                Urgent 1
                                High 1
                                Routine 1

Fixed package versions

Product	Release	Fixed in
libcurl4	Ubuntu 22.04.1 LTS (jammy)	7.74.0-1.3ubuntu2

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
Urgent	CVE-2021-22947	Open Source Curl Remote Code Execution Vulnerability	6.1	0.0301	DisclosedExploitation Less Likely
High	CVE-2021-22946	curl: fix protocol downgrade required TLS bypass	7.5	0.0454	None reported
Routine	CVE-2021-22945	curl: When sending data to an MQTT server, libcurl <= 7.73.0 and 7.78.0 could in some circumstances erroneously keep a p...	n/a	0.0668	None reported

Also fixes CVE-2021-22947

KB5009557
Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for ARM64-based Systems, Windows 10 Version 1809 for x64-based Systems and 2 more
KB5009543
Windows 10 Version 20H2 for 32-bit Systems, Windows 10 Version 20H2 for ARM64-based Systems, Windows 10 Version 21H1 for 32-bit Systems and 6 more
KB5009555
Windows Server 2022, Windows Server 2022 (Server Core installation)
KB5009566
Windows 11 version 21H2 for ARM64-based Systems, Windows 11 version 21H2 for x64-based Systems
KB5009545
Windows 10 Version 1909 for 32-bit Systems, Windows 10 Version 1909 for ARM64-based Systems, Windows 10 Version 1909 for x64-based Systems
curl 7.74.0-1.3ubuntu2
curl on Ubuntu 22.04.1 LTS (jammy)
libcurl3-gnutls 7.74.0-1.3ubuntu2
libcurl3-gnutls on Ubuntu 22.04.1 LTS (jammy)
libcurl3-nss 7.74.0-1.3ubuntu2
libcurl3-nss on Ubuntu 22.04.1 LTS (jammy)

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