CVE Explorer
CVE-2026-4430
Out-of-bounds write vulnerability in The Document Foundation LibreOffice via crafted OOXML documents with mismatched encryption salt parameters.
This issue affects LibreOffice: from 26.2 before 26.2.3, from 25.8 before 25.8.7.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","product":"LibreOffice","vendor":"The Document Foundation","versions":[{"lessThan":"26.2.3","status":"affected","version":"26.2","versionType":"26 series"},{"lessThan":"25.8.7","status":"affected","version":"25.8","versionType":"25 series"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:e7d9a971c60316fb7ffef327bb542df4c4f52a3d81a722f85ca1c1f346138ff5 · sha256:3ed62b4cf91b522a… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"LOCAL","baseScore":5.4,"baseSeverity":"MEDIUM","exploitMaturity":"PROOF_OF_CONCEPT","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"PASSIVE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N/E:P","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidential…
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:e7d9a971c60316fb7ffef327bb542df4c4f52a3d81a722f85ca1c1f346138ff5 · sha256:3ed62b4cf91b522a… · /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_v5cweurn:baitaphish:normalized-source-record:v2:e7d9a971c60316fb7ffef327bb542df4c4f52a3d81a722f85ca1c1f346138ff5 · sha256:3ed62b4cf91b522a… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"url":"https://www.libreoffice.org/about-us/security/advisories/cve-2026-4430"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:e7d9a971c60316fb7ffef327bb542df4c4f52a3d81a722f85ca1c1f346138ff5 · sha256:3ed62b4cf91b522a… · /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.