CVE-2026-101279CWE-190

CVE-2026-101279

Medium · published September 29, 2026

CVSS v3.1
6.5
EPSS
0%
Percentile
24.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
CVSS v4.0
6.9 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
EPSS
0.00324 · 24.3th percentile
Weakness
CWE-190 · Integer Overflow or Wraparound
Published
2026-09-29T05:16Z
References (5)
https://vuldb.com/cve/CVE-2026-101279 · [email protected]https://vuldb.com/submit/918280 · [email protected]https://vuldb.com/vuln/411036 · [email protected]https://vuldb.com/vuln/411036/cti · [email protected]https://xuyongzhe-vt.github.io/share/dmarc-pct-integer-handling.html · [email protected]
EPSS history
Timeline
  • 30 SEP 03:24Z
    EPSS moved — → 0%
    epss
  • 29 SEP 00:15Z
    Trusted Domain Project OpenDMARC opendmarc_policy.c integer overflow
    cvelistv5