A potential integer overflow in hdrblobVerifyRegion() if einfo.offset exceeds SIZE_MAX - REGION_TAG_COUNT. This is only possible on 32-bit systems.
Acknowledgments: Name: Demi M. Obenour
Statement: rpm as shipped in Red Hat Enterprise Linux is not affected by this flaw, as it only applies on 32-bit systems. Only 64-bit is distributed and supported. Please see https://access.redhat.com/solutions/509373 for more information.
Created attachment 1758969 [details] Proposed patch provided by Demi M. Obenour.
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s): https://access.redhat.com/security/cve/cve-2021-20249