CVE-2026-73072

Summary

Vim is an open source, command line text editor. Prior to 9.2.0846, set_sofo() in src/spellfile.c reuses sl_sal_first[] without resetting values left by set_sal_first(), so a crafted spell file containing an SN_SAL section before an SN_SOFO section causes under-counted mapping lists and attacker-influenced writes beyond a heap allocation. This issue is fixed in version 9.2.0846.

Affected Software

Weaknesses

• CWE-122: CWE-122: Heap-based Buffer Overflow
• CWE-787: CWE-787: Out-of-bounds Write

References

• https://github.com/vim/vim/security/advisories/GHSA-9jqx-hgpr-6v64
• https://github.com/vim/vim/commit/05c41c922309c7a11b6ec2f124be66551c90d66a
• https://github.com/vim/vim/releases/tag/v9.2.0846

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