RHSA-2026:66348 — Security Advisory
Red Hat Security Advisory: vim security update
Severity
ImportantRed Hat Product Security
Products
Official CSAF product identity
Published · September 10, 2026
Updated · November 2, 2026
Topic
An update for vim is now available for Red Hat Enterprise Linux 8.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Description
Vim (Vi IMproved) is an updated and improved version of the vi editor.
Security Fix(es):
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vim: Vim: Information disclosure and denial of service via crafted Unicode characters in terminal emulator (CVE-2026-28420)
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vim: Vim: Denial of Service via out-of-bounds write in terminal handling (CVE-2026-52859)
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vim: Vim: Denial of Service via crafted spell file (CVE-2026-55892)
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vim: Vim: Denial of Service via out-of-bounds write in spell sound-folding (CVE-2026-59857)
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vim: Vim: Arbitrary command execution via crafted vimball (CVE-2026-73076)
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vim: Vim: Heap buffer overflow allows arbitrary code execution (CVE-2026-73072)
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vim: Vim: Arbitrary Code Execution via Crafted Netrw Menu Entries (CVE-2026-73078)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.