CVE-2024-43374 Affecting vim package, versions <9.1.0686-r0
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published21 Aug 2024
- disclosed16 Aug 2024
Introduced: 16 Aug 2024
CVE-2024-43374 (opens in a new tab)How to fix?
Upgrade Chainguard vim to version 9.1.0686-r0 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream vim package and not the vim package as distributed by Chainguard.
See How to fix? for Chainguard relevant fixed versions and status.
The UNIX editor Vim prior to version 9.1.0678 has a use-after-free error in argument list handling. When adding a new file to the argument list, this triggers Buf* autocommands. If in such an autocommand the buffer that was just opened is closed (including the window where it is shown), this causes the window structure to be freed which contains a reference to the argument list that we are actually modifying. Once the autocommands are completed, the references to the window and argument list are no longer valid and as such cause an use-after-free. Impact is low since the user must either intentionally add some unusual autocommands that wipe a buffer during creation (either manually or by sourcing a malicious plugin), but it will crash Vim. The issue has been fixed as of Vim patch v9.1.0678.