CVE-2026-111151
Medium
Description
OpenJPH through 0.32.0 contains a heap out-of-bounds write vulnerability in the HTJ2K cleanup-pass decoder that allows attackers to corrupt memory via one-row codeblocks. Attackers can supply a crafted .j2c or .jph codestream with small precinct sizes, causing the decoder to write a second row past the codeblock buffer, resulting in memory corruption and crashes.
SeverityMedium
CVSS6.1
Exploit probability2. percentile0.1%
ProductOpenJPH
PublishedOct 15, 2026
First seenOct 15, 2026
Weakness typeCWE-787Out-of-bounds write
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| aous72 OpenJPH | v ≤ 0.32.0 | — |
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