{"id":"CVE-2026-111130","title":"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","summary":"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 CameraIma…","severity":"medium","cvss":6.1,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","cwe":["CWE-125"],"vendor":"OpenSlide","product":"openslide","affected":["openslide <= 4.0.1"],"published":"2026-10-15","updated":"2026-10-15","sourceUpdated":"2026-10-15T19:17:26.517","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-111130","references":[{"url":"https://github.com/openslide/openslide","label":"disclosure@vulncheck.com"},{"url":"https://github.com/openslide/openslide/blob/fe79a9713bef2bfd64bbfefd15704060764b1274/src/openslide-vendor-mirax.c#L1033-L1034","label":"disclosure@vulncheck.com"},{"url":"https://github.com/openslide/openslide/blob/fe79a9713bef2bfd64bbfefd15704060764b1274/src/openslide-vendor-mirax.c#L611-L635","label":"disclosure@vulncheck.com"},{"url":"https://hackmd.io/@haind-pwn/openslide-mirax-slide-position-index-oob-read","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/openslide-through-4.0.1-heap-out-of-bounds-read-via-mirax-get-tile-position","label":"disclosure@vulncheck.com"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-111130.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-111130"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-111130"}],"tags":["nvd","cve.org","csaf","vex","red-hat","exploit-available"],"ingestedAt":"2026-10-15T19:25:46.408Z","epss":0.00198,"epssPercentile":0.09528,"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-21T01:16:30.778396Z"},"slug":"CVE-2026-111130","body":"## Overview\n\nOpenSlide 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · updated 2026-10-16 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-111130.json)","depth":"twilight","depthScore":46,"depthScoreParts":{"impact":33.6,"likelihood":0,"exploitation":12,"ransomware":0},"changes":[{"seq":226715,"id":"CVE-2026-111130","ts":1792546638329,"field":"exploit_available","old":"false","new":"true"}]}