{"schema":"threatline.record/2","record":{"id":"CVE-2026-111125","aliases":[],"summary":"CFITSIO through 4.7.0 Heap Out-of-Bounds Read via HCOMPRESS input_nnybble","details":"CFITSIO through 4.7.0 contains a heap-based out-of-bounds read vulnerability in the HCOMPRESS tile decoder that allows attackers to read past the compressed tile buffer via input_nnybble in fits_hdecompress.c. Attackers can supply a crafted FITS file with ZCMPTYPE HCOMPRESS_1 declaring oversized tile geometry to crash applications calling fits_read_pix or disclose limited heap memory.","categories":["Unclassified"],"product":"cfitsio","vendor":"HEASARC","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-111125","source_modified_at":"2026-10-21T01:15:29.785Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"cfitsio","vendor":"HEASARC","versions":[{"version":"0","lessThanOrEqual":"4.7.0","status":"affected","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":6.9,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00178,"percentile":0.07006,"score_date":"2026-10-23"},"published_at":"2026-10-15T18:57:22.035Z","modified_at":"2026-10-21T01:15:29.785Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-111125","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-21T01:15:29.785Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-111125","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://hackmd.io/@haind-pwn/cfitsio-zdither0-dither-seed-oob-read","tags":["technical-description","exploit"]},{"source":"CVE List","url":"https://github.com/HEASARC/cfitsio/blob/d6d27653740864a0483e74cff23c53e34e1dceee/fits_hdecompress.c#L2575-L2633","tags":["technical-description"]},{"source":"CVE List","url":"https://github.com/HEASARC/cfitsio/blob/d6d27653740864a0483e74cff23c53e34e1dceee/imcompress.c#L6310-L6316","tags":["technical-description"]},{"source":"CVE List","url":"https://github.com/HEASARC/cfitsio","tags":["product"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/cfitsio-through-4.7.0-heap-out-of-bounds-read-via-hcompress-input-nnybble","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"poc","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-21T01:15:11.834733Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-21T01:15:29.785Z","content_hash":"61f3a7f5138d6650cb9afdef69d7267f310945a1eccd4e32b41587d0fed7a462"}}