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CVE-2026-57455

Vim is an open source, command line text editor. Prior to 9.2.0698, the single-byte branch of spell_soundfold_sofo() in src/spell.c translates a word through a spell file's SOFO (sound-folding) byte map into a caller-owned result buffer. Its copy loop advances the output index ri with no upper bound and terminates only on the input NUL, writing one byte per input byte into the MAXWLEN-element stack buffer the caller provides. A word longer than MAXWLEN, passed to soundfold() (or reached via soun
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:ec8699e76b036fd8ca7f615b720c4fd2ebe95d8d61d8c76956e56ce8f5877793
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"vim","vendor":"vim","versions":[{"status":"affected","version":"< 9.2.0698"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:01c8741af8d88add38781b3464e22dab2381e335e7d606db3b2dbb90b0ed6f07 · sha256:80c0f77efa59127f… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackRequirements":"NONE","attackVector":"LOCAL","baseScore":4,"baseSeverity":"MEDIUM","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"ACTIVE","vectorString":"CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:01c8741af8d88add38781b3464e22dab2381e335e7d606db3b2dbb90b0ed6f07 · sha256:80c0f77efa59127f… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-787","description":"CWE-787: Out-of-bounds Write","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:01c8741af8d88add38781b3464e22dab2381e335e7d606db3b2dbb90b0ed6f07 · sha256:80c0f77efa59127f… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/vim/vim/commit/497f931f85339d175d7f69588dd249e8ccfed41b","tags":["x_refsource_MISC"],"url":"https://github.com/vim/vim/commit/497f931f85339d175d7f69588dd249e8ccfed41b"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:01c8741af8d88add38781b3464e22dab2381e335e7d606db3b2dbb90b0ed6f07 · sha256:80c0f77efa59127f… · /containers/cna/references/1
{"name":"https://github.com/vim/vim/releases/tag/v9.2.0698","tags":["x_refsource_MISC"],"url":"https://github.com/vim/vim/releases/tag/v9.2.0698"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:01c8741af8d88add38781b3464e22dab2381e335e7d606db3b2dbb90b0ed6f07 · sha256:80c0f77efa59127f… · /containers/cna/references/2
{"name":"https://github.com/vim/vim/security/advisories/GHSA-q8mh-6qm3-25g4","tags":["x_refsource_CONFIRM"],"url":"https://github.com/vim/vim/security/advisories/GHSA-q8mh-6qm3-25g4"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:01c8741af8d88add38781b3464e22dab2381e335e7d606db3b2dbb90b0ed6f07 · sha256:80c0f77efa59127f… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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