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CVE-2026-28419

Vim is an open source, command line text editor. Prior to version 9.2.0075, a heap-based buffer underflow exists in Vim's Emacs-style tags file parsing logic. When processing a malformed tags file where a delimiter appears at the start of a line, Vim attempts to read memory immediately preceding the allocated buffer. Version 9.2.0075 fixes the issue.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:d955378f1834c33d90c5ec25be9cda7360ffae90d9fb79d0fe7277ef98415468
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-125","description":"CWE-125: Out-of-bounds Read","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5291de747d91ebb3b67e4197face92802d61511cc56b55e89edd1430d882f462 · sha256:34f07a2d5d10395a… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-124","description":"CWE-124: Buffer Underwrite ('Buffer Underflow')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5291de747d91ebb3b67e4197face92802d61511cc56b55e89edd1430d882f462 · sha256:34f07a2d5d10395a… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"product":"vim","vendor":"vim","versions":[{"status":"affected","version":"< 9.2.0075"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5291de747d91ebb3b67e4197face92802d61511cc56b55e89edd1430d882f462 · sha256:34f07a2d5d10395a… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"LOW","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:5291de747d91ebb3b67e4197face92802d61511cc56b55e89edd1430d882f462 · sha256:34f07a2d5d10395a… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-125","description":"CWE-125: Out-of-bounds Read","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5291de747d91ebb3b67e4197face92802d61511cc56b55e89edd1430d882f462 · sha256:34f07a2d5d10395a… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-124","description":"CWE-124: Buffer Underwrite ('Buffer Underflow')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5291de747d91ebb3b67e4197face92802d61511cc56b55e89edd1430d882f462 · sha256:34f07a2d5d10395a… · /containers/cna/problemTypes/0/descriptions/0

Source references

4 source assertions
{"url":"http://www.openwall.com/lists/oss-security/2026/02/27/8"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5291de747d91ebb3b67e4197face92802d61511cc56b55e89edd1430d882f462 · sha256:34f07a2d5d10395a… · /containers/adp/0/references/0
{"name":"https://github.com/vim/vim/commit/9b7dfa2948c9e1e5e32a5812","tags":["x_refsource_MISC"],"url":"https://github.com/vim/vim/commit/9b7dfa2948c9e1e5e32a5812"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5291de747d91ebb3b67e4197face92802d61511cc56b55e89edd1430d882f462 · sha256:34f07a2d5d10395a… · /containers/cna/references/1
{"name":"https://github.com/vim/vim/releases/tag/v9.2.0075","tags":["x_refsource_MISC"],"url":"https://github.com/vim/vim/releases/tag/v9.2.0075"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5291de747d91ebb3b67e4197face92802d61511cc56b55e89edd1430d882f462 · sha256:34f07a2d5d10395a… · /containers/cna/references/2
{"name":"https://github.com/vim/vim/security/advisories/GHSA-xcc8-r6c5-hvwv","tags":["x_refsource_CONFIRM"],"url":"https://github.com/vim/vim/security/advisories/GHSA-xcc8-r6c5-hvwv"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5291de747d91ebb3b67e4197face92802d61511cc56b55e89edd1430d882f462 · sha256:34f07a2d5d10395a… · /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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