{"id":"CVE-2026-111130","aliases":["DEBIAN-CVE-2026-111130","EUVD-2026-102361","GHSA-5jq9-3x2q-j76q","UBUNTU-CVE-2026-111130"],"status":"published","title":"OpenSlide through 4.0.1 Heap Out-of-Bounds Read via MIRAX get_tile_position","description":"OpenSlide through 4.0.1 contains a heap out-of-bounds read vulnerability in the MIRAX reader that allows attackers to read past the slide_positions array via crafted Slidedat.ini values. Attackers can supply a MIRAX slide whose CameraImageDivisionsPerSide does not evenly divide the image counts, crashing applications that open it and corrupting tile geometry.","severity":{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00198,"percentile":0.09692,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2026-10-15T18:57:25Z","modified":"2026-10-28T17:50:35Z","affected":[{"source":"osv","ecosystem":"Debian:12","package":"openslide","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.4.1+dfsg-6","3.4.1+dfsg-6+deb12u1","3.4.1+dfsg-7","3.4.1+dfsg-8","3.4.1+dfsg-9","4.0.1+dfsg-1","4.0.1+dfsg-1~0exp2","4.0.1+dfsg-1~0exp3","4.0.1+dfsg-2"]},{"source":"osv","ecosystem":"Debian:13","package":"openslide","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.4.1+dfsg-7","3.4.1+dfsg-7+deb13u1","3.4.1+dfsg-8","3.4.1+dfsg-9","4.0.1+dfsg-1","4.0.1+dfsg-1~0exp2","4.0.1+dfsg-1~0exp3","4.0.1+dfsg-2"]},{"source":"osv","ecosystem":"Debian:14","package":"openslide","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.4.1+dfsg-7","3.4.1+dfsg-8","3.4.1+dfsg-9","4.0.1+dfsg-1","4.0.1+dfsg-1~0exp2","4.0.1+dfsg-1~0exp3","4.0.1+dfsg-2"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"openslide","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.4.0-1build1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"openslide","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.4.1+dfsg-2"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"openslide","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.4.1+dfsg-4"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"openslide","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.4.1+dfsg-5","3.4.1+dfsg-5build1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"openslide","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.4.1+dfsg-6build1","3.4.1+dfsg-7","3.4.1+dfsg-7build1","3.4.1+dfsg-7build2"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"openslide","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.4.1+dfsg-7build4","3.4.1+dfsg-9"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"openslide","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.4.1+dfsg-7build3","3.4.1+dfsg-7build4"]}],"products":[{"vendor":"openslide","product":"openslide"}],"references":[{"url":"https://hackmd.io/@haind-pwn/openslide-mirax-slide-position-index-oob-read","tags":["technical-description","article","report"]},{"url":"https://github.com/openslide/openslide/blob/fe79a9713bef2bfd64bbfefd15704060764b1274/src/openslide-vendor-mirax.c#L611-L635","tags":["technical-description","article","report"]},{"url":"https://github.com/openslide/openslide/blob/fe79a9713bef2bfd64bbfefd15704060764b1274/src/openslide-vendor-mirax.c#L1033-L1034","tags":["technical-description","article","report"]},{"url":"https://github.com/openslide/openslide","tags":["product","package","report"]},{"url":"https://www.vulncheck.com/advisories/openslide-through-4.0.1-heap-out-of-bounds-read-via-mirax-get-tile-position","tags":["third-party-advisory","advisory","report"]},{"url":"https://hackmd.io/@haind-pwn/cve-2026-111130-openslide-mirax-slide-position-index-oob-read","tags":["exploit","evidence"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-111130","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-5jq9-3x2q-j76q"},{"url":"https://github.com","tags":["web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111130.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-111130","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-111130","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-111130","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-111130","title":"OpenSlide through 4.0.1 Heap Out-of-Bounds Read via MIRAX get_tile_position","description":"OpenSlide through 4.0.1 contains a heap out-of-bounds read vulnerability in the MIRAX reader that allows attackers to read past the slide_positions array via crafted Slidedat.ini values. Attackers can supply a MIRAX slide whose CameraImageDivisionsPerSide does not evenly divide the image counts, crashing applications that open it and corrupting tile geometry.","status":"published","published":"2026-10-15T18:57:25.805Z","modified":"2026-10-21T01:16:55.79Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:20:15.34316Z"}],"euvd":[{"id":"EUVD-2026-102361","description":"OpenSlide through 4.0.1 contains a heap out-of-bounds read vulnerability in the MIRAX reader that allows attackers to read past the slide_positions array via crafted Slidedat.ini values. Attackers can supply a MIRAX slide whose CameraImageDivisionsPerSide does not evenly divide the image counts, crashing applications that open it and corrupting tile geometry.","status":"published","published":"2026-10-15T18:57:25Z","modified":"2026-10-21T01:16:55Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T16:59:40.989797Z"}],"ghsa":[{"id":"GHSA-5jq9-3x2q-j76q","title":"OpenSlide through 4.0.1 contains a heap out-of-bounds read vulnerability in the MIRAX reader that...","description":"OpenSlide through 4.0.1 contains a heap out-of-bounds read vulnerability in the MIRAX reader that allows attackers to read past the slide_positions array via crafted Slidedat.ini values. Attackers can supply a MIRAX slide whose CameraImageDivisionsPerSide does not evenly divide the image counts, crashing applications that open it and corrupting tile geometry.","status":"published","published":"2026-10-15T21:36:03Z","modified":"2026-10-21T03:32:06Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","level":"medium"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T15:14:08.480034Z"}],"nvd":[{"id":"CVE-2026-111130","description":"OpenSlide through 4.0.1 contains a heap out-of-bounds read vulnerability in the MIRAX reader that allows attackers to read past the slide_positions array via crafted Slidedat.ini values. Attackers can supply a MIRAX slide whose CameraImageDivisionsPerSide does not evenly divide the image counts, crashing applications that open it and corrupting tile geometry.","status":"published","published":"2026-10-15T19:17:26.517Z","modified":"2026-10-21T02:17:03.78Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:12:59.751798Z"}],"osv":[{"id":"CVE-2026-111130","title":"OpenSlide through 4.0.1 Heap Out-of-Bounds Read via MIRAX get_tile_position","description":"OpenSlide through 4.0.1 contains a heap out-of-bounds read vulnerability in the MIRAX reader that allows attackers to read past the slide_positions array via crafted Slidedat.ini values. Attackers can supply a MIRAX slide whose CameraImageDivisionsPerSide does not evenly divide the image counts, crashing applications that open it and corrupting tile geometry.","status":"published","published":"2026-10-15T18:57:25.805Z","modified":"2026-10-28T02:31:11.789548472Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T15:44:55.61515Z"},{"id":"DEBIAN-CVE-2026-111130","description":"OpenSlide through 4.0.1 contains a heap out-of-bounds read vulnerability in the MIRAX reader that allows attackers to read past the slide_positions array via crafted Slidedat.ini values. Attackers can supply a MIRAX slide whose CameraImageDivisionsPerSide does not evenly divide the image counts, crashing applications that open it and corrupting tile geometry.","status":"published","published":"2026-10-15T19:17:26.517Z","modified":"2026-10-23T18:05:19.32879087Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"}],"updated_at":"2026-11-02T15:45:49.824149Z"},{"id":"UBUNTU-CVE-2026-111130","description":"OpenSlide through 4.0.1 contains a heap out-of-bounds read vulnerability in the MIRAX reader that allows attackers to read past the slide_positions array via crafted Slidedat.ini values. Attackers can supply a MIRAX slide whose CameraImageDivisionsPerSide does not evenly divide the image counts, crashing applications that open it and corrupting tile geometry.","status":"published","published":"2026-10-15T19:17:00Z","modified":"2026-10-28T17:50:35Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","level":"medium"},{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T16:55:59.591851Z"}]}}