{"id":"AZL-56913","summary":"CVE-2025-26603 affecting package vim for versions less than 9.1.0791-4","details":"Vim is a greatly improved version of the good old UNIX editor Vi. Vim allows to redirect screen messages using the `:redir` ex command to register, variables and files. It also allows to show the contents of registers using the `:registers` or `:display` ex command. When redirecting the output of `:display` to a register, Vim will free the register content before storing the new content in the register. Now when redirecting the `:display` command to a register that is being displayed, Vim will free the content while shortly afterwards trying to access it, which leads to a use-after-free. Vim pre 9.1.1115 checks in the ex_display() function, that it does not try to redirect to a register while displaying this register at the same time. However this check is not complete, and so Vim does not check the `+` and `*` registers (which typically donate the X11/clipboard registers, and when a clipboard connection is not possible will fall back to use register 0 instead. In Patch 9.1.1115 Vim will therefore skip outputting to register zero when trying to redirect to the clipboard registers `*` or `+`. Users are advised to upgrade. There are no known workarounds for this vulnerability.","modified":"2026-04-21T04:36:49.035687Z","published":"2025-02-18T19:15:29Z","upstream":["CVE-2025-26603"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-26603"}],"affected":[{"package":{"name":"vim","ecosystem":"Azure Linux:2","purl":"pkg:rpm/azure-linux/vim"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.1.0791-4"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-56913.json"}}],"schema_version":"1.7.5"}