CVE-2020-14059

An issue was discovered in Squid 5.x before 5.0.3. Due to an Incorrect Synchronization, a Denial of Service can occur when processing objects in an SMP cache because of an Ipc::Mem::PageStack::pop ABA problem during access to the memory page/slot management list.

• CWE-662

• http://www.squid-cache.org/Advisories/SQUID-2020_5.txtVendor Advisory
• http://www.squid-cache.org/Versions/v5/changesets/squid-5-7a5af8db8e0377c06ed9ffbdcb1334389c7cd8ab.patchPatch, Vendor Advisory
• https://security.netapp.com/advisory/ntap-20210312-0001/Third Party Advisory
• http://www.squid-cache.org/Advisories/SQUID-2020_5.txtVendor Advisory
• http://www.squid-cache.org/Versions/v5/changesets/squid-5-7a5af8db8e0377c06ed9ffbdcb1334389c7cd8ab.patchPatch, Vendor Advisory
• https://security.netapp.com/advisory/ntap-20210312-0001/Third Party Advisory

Published

Jun 30, 2020

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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