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CVE-2026-111130

OpenSlide through 4.0.1 Heap Out-of-Bounds Read via MIRAX get_tile_position

6.9 Medium

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.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
None
User interaction
Passive

What an attacker can affect

Confidentiality
Low
Integrity
None
Availability
High

Exploit likelihood

0.20%Up 0.1 points since Oct 16, 2026
90%50%10%1%

What each source reports

CVE List Score used 6.9

OpenSlide through 4.0.1 Heap Out-of-Bounds Read via MIRAX get_tile_position

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.

Record
CVE-2026-111130
CVSS 4.0
6.9 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
CVSS 3.1
6.1 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
Weakness
CWE-125
Updated
2026-11-02
EUVDEUVD-2026-102361 6.9

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.

Record
EUVD-2026-102361
CVSS 4.0
6.9 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-5jq9-3x2q-j76q 6.9

OpenSlide through 4.0.1 contains a heap out-of-bounds read vulnerability in the MIRAX reader that...

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.

Record
GHSA-5jq9-3x2q-j76q
CVSS 4.0
6.9 MediumCVSS: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
CVSS 3.1
6.1 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
Weakness
CWE-125
Updated
2026-11-02
NVD 6.9

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.

Record
CVE-2026-111130
CVSS 4.0
6.9 MediumCVSS: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
CVSS 3.1
6.1 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
Weakness
CWE-125
Updated
2026-11-02
OSV 6.9

OpenSlide through 4.0.1 Heap Out-of-Bounds Read via MIRAX get_tile_position

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.

Record
CVE-2026-111130
CVSS 4.0
6.9 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
Weakness
CWE-125
Updated
2026-11-02
OSVDEBIAN-CVE-2026-111130 6.9

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.

Record
DEBIAN-CVE-2026-111130
CVSS 4.0
6.9 MediumCVSS: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
Updated
2026-11-02
OSVUBUNTU-CVE-2026-111130 6.9

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.

Record
UBUNTU-CVE-2026-111130
CVSS 4.0
6.9 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
CVSS 3.1
6.1 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
openslide
Debian:12
 All versions, plus listed versions
3.4.1+dfsg-63.4.1+dfsg-6+deb12u13.4.1+dfsg-73.4.1+dfsg-83.4.1+dfsg-9
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4.0.1+dfsg-14.0.1+dfsg-1~0exp24.0.1+dfsg-1~0exp34.0.1+dfsg-2
 None known
openslide
Debian:13
 All versions, plus listed versions
3.4.1+dfsg-73.4.1+dfsg-7+deb13u13.4.1+dfsg-83.4.1+dfsg-94.0.1+dfsg-14.0.1+dfsg-1~0exp24.0.1+dfsg-1~0exp34.0.1+dfsg-2
 None known
openslide
Debian:14
 All versions, plus listed versions
3.4.1+dfsg-73.4.1+dfsg-83.4.1+dfsg-94.0.1+dfsg-14.0.1+dfsg-1~0exp24.0.1+dfsg-1~0exp34.0.1+dfsg-2
 None known
openslide
Ubuntu:16.04:LTS
 All versions, plus listed versions
3.4.0-1build1
 None known
openslide
Ubuntu:18.04:LTS
 All versions, plus listed versions
3.4.1+dfsg-2
 None known
openslide
Ubuntu:20.04:LTS
 All versions, plus listed versions
3.4.1+dfsg-4
 None known
openslide
Ubuntu:22.04:LTS
 All versions, plus listed versions
3.4.1+dfsg-53.4.1+dfsg-5build1
 None known
openslide
Ubuntu:24.04:LTS
 All versions, plus listed versions
3.4.1+dfsg-6build13.4.1+dfsg-73.4.1+dfsg-7build13.4.1+dfsg-7build2
 None known
openslide
Ubuntu:26.10
 All versions, plus listed versions
3.4.1+dfsg-7build43.4.1+dfsg-9
 None known
openslide
Ubuntu:26.04:LTS
 All versions, plus listed versions
3.4.1+dfsg-7build33.4.1+dfsg-7build4
 None known

History

History
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-111130 is a medium vulnerability (CVSS 6.9) in Openslide, published October 15, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.20%, the 9th percentile. No source names a fixed version.

References

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