CVE-2021-3622

A flaw was found in the hivex library. This flaw allows an attacker to input a specially crafted Windows Registry (hive) file, which would cause hivex to recursively call the _get_children() function, leading to a stack overflow. The highest threat from this vulnerability is to system availability.

• CWE-400

• https://bugzilla.redhat.com/show_bug.cgi?id=1975489Exploit, Issue Tracking, Patch, Vendor Advisory
• https://github.com/libguestfs/hivex/commit/771728218dac2fbf6997a7e53225e75a4c6b7255Patch, Third Party Advisory
• https://listman.redhat.com/archives/libguestfs/2021-August/msg00002.htmlMailing List, Patch, Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/S35TVTAPHORSUIFYNFBHKLQRPVFUPXBE/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/USD4OEV6L3RPHE32V2MJ4JPFBODINWSU/
• https://bugzilla.redhat.com/show_bug.cgi?id=1975489Exploit, Issue Tracking, Patch, Vendor Advisory
• https://github.com/libguestfs/hivex/commit/771728218dac2fbf6997a7e53225e75a4c6b7255Patch, Third Party Advisory
• https://listman.redhat.com/archives/libguestfs/2021-August/msg00002.htmlMailing List, Patch, Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/S35TVTAPHORSUIFYNFBHKLQRPVFUPXBE/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/USD4OEV6L3RPHE32V2MJ4JPFBODINWSU/

Published

Dec 23, 2021

Last Modified

Jun 17, 2026

Status

Modified

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