CVE-2026-101014
Description
A flaw was found in OpenDMARC. An off-by-one boundary error exists in the DMARC (Domain-based Message Authentication, Reporting, and Conformance) record parser during cleanup operations in the opendmarc_util_cleanup function. A remote attacker could exploit this vulnerability by submitting specially crafted records, potentially leading to a Denial of Service (DoS) or memory corruption.
Statement
OpenDMARC is not shipped in any Red Hat product. It is available only in Fedora and EPEL community repositories.
Mitigation
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
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