CVE-2017-6350: An integer overflow at an unserialize_uep memory allocation site would occur for vim before patch 8.0.0378,...

Security readout for executives and security teams

CVE-2017-6350 is a Vim memory-safety flaw triggered when Vim reads a corrupted undo file. A crafted or damaged undo history could cause integer overflow and buffer overflow behavior. The sources do not provide CVSS data or evidence of active exploitation. Exposure is most likely on endpoints, servers, or build systems running Vim versions before patch 8.0.0378, especially where users may open files with associated undo data from untrusted sources. Treat this as routine but real hygiene work. It is an older local file-processing vulnerability with no cited active exploitation, but developer and server toolchains often retain outdated Vim packages. Mitigation focus: Update Vim through the operating system vendor or upstream package source.; Ensure the installed Vim includes patch 8.0.0378 or later fixes.; Review Gentoo GLSA and Ubuntu USN guidance for distribution-specific packages..

Prepared

Jun 13, 2026, 06:02 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.