Description

Buffer Overflow vulnerability in OpenHTJ2K v.0.18.4 and before allows an attacker to execute arbitrary code via the j2k_precinct_subband::parse_packet_header() in source/core/coding/coding_units.cpp

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References

Other References

https://github.com/osamu620/OpenHTJ2K/blob/main/CHANGELOG https://github.com/osamu620/OpenHTJ2K/commit/0778b93 https://github.com/osamu620/OpenHTJ2K/releases

Frequently Asked Questions

What is CVE-2026-51807? +

Buffer Overflow vulnerability in OpenHTJ2K v.0.18.4 and before allows an attacker to execute arbitrary code via the j2k_precinct_subband::parse_packet_header() in source/core/coding/coding_units.cpp

How do I check if I'm vulnerable to CVE-2026-51807? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.