libzmq5 4.2.5-1ubuntu0.2+esm2: libzmq5 4.2.5-1ubuntu0.2+esm2 for Ubuntu 18.04.6 LTS (bionic)

libzmq5 4.2.5-1ubuntu0.2+esm2, released May 28, 2021, fixes 3 CVEs in libzmq5. None of them is reported as exploited. Patch Radar priority: Routine. The product is no longer supported.

RoutineUnsupported product

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

n/a

No CVSS score published

Highest EPSS

0.4386

98th percentile

Priority of the 3 CVEs

Patch now 0
                                Urgent 0
                                High 0
                                Routine 3

Fixed package versions

Product	Release	Fixed in
libzmq5	Ubuntu 18.04.6 LTS (bionic)	4.2.5-1ubuntu0.2+esm2

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
Routine	CVE-2021-20235	libzmq5: There's a flaw in the zeromq server in versions before 4.3.3 in src/decoder_allocators.hpp	n/a	0.4386	None reported
Routine	CVE-2021-20237	libzmq5: An uncontrolled resource consumption (memory leak) flaw was found in ZeroMQ's src/xpub.cpp in versions before 4.3.3	n/a	0.0169	None reported
Routine	CVE-2021-20234	libzmq5: An uncontrolled resource consumption (memory leak) flaw was found in the ZeroMQ client in versions before 4.3.3 in sr...	n/a	0.0107	None reported

Also fixes CVE-2021-20235

libzmq5 4.3.2-2ubuntu1.20.04.1~esm2
libzmq5 on Ubuntu 20.04 LTS (focal)

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