CVE-2026-101014
MEDIUM
5,5
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Confidentiality: N/A
Integrity: N/A
Availability: N/A
HIGH
7,3
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: low
Integrity: low
Availability: low
HIGH
7,5
Source: [email protected]
Access Vector: network
Access Complexity: low
Authentication: none
Confidentiality: partial
Integrity: partial
Availability: partial
Description
AI Translation Available
A vulnerability was detected in Trusted Domain Project OpenDMARC up to 1.4.2. Affected by this vulnerability is the function opendmarc_util_cleanup in the library libopendmarc/opendmarc_util.c of the component DMARC Record Parser. Performing a manipulation results in off-by-one. The attack may be initiated remotely. The exploit is now public and may be used. The patch is named b3b1da9264bc80324094a27c71e7369bdedc62ae. To fix this issue, it is recommended to deploy a patch.
193
Off-by-one Error
DraftCommon Consequences
Security Scopes Affected:
Availability
Integrity
Confidentiality
Access Control
Potential Impacts:
Dos: Crash, Exit, Or Restart
Dos: Resource Consumption (Cpu)
Dos: Resource Consumption (Memory)
Dos: Instability
Modify Memory
Execute Unauthorized Code Or Commands
Bypass Protection Mechanism
Applicable Platforms
Languages:
C, Not Language-Specific
https://github.com/trusteddomainproject/OpenDMARC/commit/b3b1da9264bc80324094a2…
https://github.com/trusteddomainproject/OpenDMARC/pull/188
https://github.com/trusteddomainproject/OpenDMARC/pull/344
https://vuldb.com/cve/CVE-2026-101014
https://vuldb.com/submit/917100
https://vuldb.com/vuln/410884
https://vuldb.com/vuln/410884/cti
https://weitongli.com/share/opendmarc-cleanup-off-by-one.html