CVE-2020-36400

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

ZeroMQ libzmq 4.3.3 has a heap-based buffer overflow in zmq::tcp_read, a different vulnerability than CVE-2021-20235.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Jul 1, 2021
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2020

CVE-2020-364017.8mruby 2.1.2 has a double free in mrb_default_allocf (called from mrb_free and obj_free).CVE-2020-364027.8Solidity 0.7.5 has a stack-use-after-return issue in smtutil::CHCSmtLib2Interface::querySolver. NOTE: c39a5e2b7a3fabbf687f53a2823fc087be6c1aCVE-2020-364038.8HTSlib through 1.10.2 allows out-of-bounds write access in vcf_parse_format (called from vcf_parse and vcf_read).CVE-2020-364047.8Keystone Engine 0.9.2 has an invalid free in llvm_ks::SmallVectorImpl<llvm_ks::MCFixup>::~SmallVectorImpl.CVE-2020-364057.8Keystone Engine 0.9.2 has a use-after-free in llvm_ks::X86Operand::getToken.CVE-2020-364068.8uWebSockets 18.11.0 and 18.12.0 has a stack-based buffer overflow in uWS::TopicTree::trimTree (called from uWS::TopicTree::unsubscribeAll). CVE-2020-364078.8libavif 0.8.0 and 0.8.1 has an out-of-bounds write in avifDecoderDataFillImageGrid.CVE-2020-364085.4A stored cross scripting (XSS) vulnerability in CMS Made Simple 2.2.14 allows authenticated attackers to execute arbitrary web scripts or HTCVE-2020-364095.4A stored cross scripting (XSS) vulnerability in CMS Made Simple 2.2.14 allows authenticated attackers to execute arbitrary web scripts or HTCVE-2020-36419.8Integer overflow may occur if atom size is less than atom offset as there is improper validation of atom size in Snapdragon Auto, SnapdragonCVE-2020-364105.4A stored cross scripting (XSS) vulnerability in CMS Made Simple 2.2.14 allows authenticated attackers to execute arbitrary web scripts or HTCVE-2020-364115.4A stored cross scripting (XSS) vulnerability in CMS Made Simple 2.2.14 allows authenticated attackers to execute arbitrary web scripts or HT