CVE-2026-101279

Description

A security vulnerability has been detected in Trusted Domain Project OpenDMARC up to 1.4.2. This impacts an unknown function of the file libopendmarc/opendmarc_policy.c of the component DMARC Parser. The manipulation of the argument pct leads to integer overflow. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

References

https://xuyongzhe-vt.github.io/share/dmarc-pct-integer-handling.html

https://vuldb.com/vuln/411036/cti

https://vuldb.com/vuln/411036

https://vuldb.com/submit/918280

https://vuldb.com/cve/CVE-2026-101279

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3

CVSS v4

EPSS