CVE-2026-111151 — OpenJPH through 0.32.0 Heap Out-of-Bounds Write in HTJ2K Cleanup-Pass Decoder
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. Attack…
Published: 2026-10-15 · CVSS: 6.9 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7