[ CVE-2026-111130 · Published 15 Oct 2026 ]
Vulnerability in openslide
CVSS 6.1
EPSS <1%No fix listed yet
[ Why it matters ]Priority signals
- Public proof-of-concept exploit exists (CISA SSVC)
[ Description ]Official 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.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.
[ References ]References
- github.com/openslide/openslide
- github.com/openslide/openslide/blob/fe79a9713bef2bfd64bbfefd15704060764b1274/src/opensl…
- github.com/openslide/openslide/blob/fe79a9713bef2bfd64bbfefd15704060764b1274/src/opensl…
- hackmd.io/@haind-pwn/openslide-mirax-slide-position-index-oob-read
- www.vulncheck.com/advisories/openslide-through-4.0.1-heap-out-of-bounds-read-via-mirax-…
- hackmd.io/@haind-pwn/cve-2026-111130-openslide-mirax-slide-position-index-oob-read