Candidate: CVE-2021-20234
PublicDate: 2021-04-01 14:15:00 UTC
References:
 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20234
 https://github.com/zeromq/libzmq/pull/3918
 https://github.com/zeromq/libzmq/security/advisories/GHSA-wfr2-29gj-5w87
 https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=22037
 https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=22123
Description:
 An uncontrolled resource consumption (memory leak) flaw was found in the
 ZeroMQ client in versions before 4.3.3 in src/pipe.cpp. This issue causes a
 client that connects to multiple malicious or compromised servers to crash.
 The highest threat from this vulnerability is to system availability.
Ubuntu-Description:
Notes:
Mitigation:
Bugs:
Priority: low
Discovered-by:
Assigned-to:
CVSS:
 nvd: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H [6.5 MEDIUM]


Patches_zeromq3:
upstream_zeromq3: released (4.3.3-1)
precise/esm_zeromq3: DNE
trusty_zeromq3: ignored (out of standard support)
trusty/esm_zeromq3: needs-triage
xenial_zeromq3: ignored (end of standard support, was needs-triage)
bionic_zeromq3: needs-triage
focal_zeromq3: needs-triage
groovy_zeromq3: ignored (reached end-of-life)
hirsute_zeromq3: not-affected (4.3.4-1)
impish_zeromq3: not-affected (4.3.4-1)
jammy_zeromq3: not-affected (4.3.4-1)
devel_zeromq3: not-affected (4.3.4-1)