CVE-2026-3408
MEDIUMCVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Lifecycle Timeline
4Description
A vulnerability was identified in Open Babel up to 3.1.1. This impacts the function OBAtom::GetExplicitValence of the file isrc/atom.cpp of the component CDXML File Handler. Such manipulation leads to null pointer dereference. The attack can be launched remotely. The exploit is publicly available and might be used. The name of the patch is e23a224b8fd9d7c2a7cde9ef4ec6afb4c05aa08a. It is best practice to apply a patch to resolve this issue.
Analysis
Open Babel versions up to 3.1.1 contain a null pointer dereference in the CDXML file handler's OBAtom::GetExplicitValence function, allowing remote attackers to crash the application through maliciously crafted files. Public exploit code exists for this vulnerability, making it a practical attack vector for denial of service. …
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Remediation
Within 30 days: Identify affected systems running Open Babel and apply vendor patches as part of regular patch cycle. Vendor patch is available.
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External POC / Exploit Code
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