CVE-2026-100890

Published: Set 28, 2026 Last Modified: Set 28, 2026
ExploitDB:
Other exploit source:
Google Dorks:
MEDIUM 5,5
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Confidentiality: N/A
Integrity: N/A
Availability: N/A
MEDIUM 5,3
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: low
MEDIUM 5,0
Access Vector: network
Access Complexity: low
Authentication: none
Confidentiality: none
Integrity: none
Availability: partial

Description

AI Translation Available

A flaw has been found in Trusted Domain Project OpenDMARC up to 1.4.2. Affected by this vulnerability is the function opendmarc_spf_ipv6_explode in the library libopendmarc/opendmarc_spf.c of the component SPF Parser. This manipulation of the argument cp causes null pointer dereference. It is possible to initiate the attack remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

404

Improper Resource Shutdown or Release

Draft
Common Consequences
Security Scopes Affected:
Availability Other Confidentiality
Potential Impacts:
Dos: Resource Consumption (Other) Varies By Context Read Application Data
Applicable Platforms
All platforms may be affected
View CWE Details
476

NULL Pointer Dereference

Stable
Common Consequences
Security Scopes Affected:
Availability Integrity Confidentiality
Potential Impacts:
Dos: Crash, Exit, Or Restart Execute Unauthorized Code Or Commands Read Memory Modify Memory
Applicable Platforms
Languages: C, C++, Java, C#, Go
View CWE Details
https://vuldb.com/cve/CVE-2026-100890
https://vuldb.com/submit/917188
https://vuldb.com/vuln/410840
https://vuldb.com/vuln/410840/cti
https://weitongli.com/share/opendmarc-ip6-wild-pointer.html