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CVE-2026-51808

Buffer Overflow vulnerability in OpenHTJ2K v.0.18.4 and before allows an attacker to execute arbitrary code via the openhtj2k_decoder_impl::invoke, invoke_line_based, invoke_line_based_stream, and invoke_line_based_predecoded function in source/core/interface/decoder.cpp
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:6a3c4d774fd06f7e7d566e87018b5b1a0441c1376fb2e958f2c2fd2ad1d96c4e
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-120","description":"CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:0839e5de5845d0758934f5bff441e2ba77e0d0386621b5d3e84a6787f99a194d · sha256:a11d75e97b95138a… · /containers/adp/0/problemTypes/0/descriptions/0

{"description":"n/a","lang":"en","type":"text"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:0839e5de5845d0758934f5bff441e2ba77e0d0386621b5d3e84a6787f99a194d · sha256:a11d75e97b95138a… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:0839e5de5845d0758934f5bff441e2ba77e0d0386621b5d3e84a6787f99a194d · sha256:a11d75e97b95138a… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:0839e5de5845d0758934f5bff441e2ba77e0d0386621b5d3e84a6787f99a194d · sha256:a11d75e97b95138a… · /containers/adp/0/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-120","description":"CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:0839e5de5845d0758934f5bff441e2ba77e0d0386621b5d3e84a6787f99a194d · sha256:a11d75e97b95138a… · /containers/adp/0/problemTypes/0/descriptions/0
{"description":"n/a","lang":"en","type":"text"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:0839e5de5845d0758934f5bff441e2ba77e0d0386621b5d3e84a6787f99a194d · sha256:a11d75e97b95138a… · /containers/cna/problemTypes/0/descriptions/0

Source references

4 source assertions
{"url":"https://github.com/osamu620/OpenHTJ2K/blob/main/CHANGELOG"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0839e5de5845d0758934f5bff441e2ba77e0d0386621b5d3e84a6787f99a194d · sha256:a11d75e97b95138a… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/osamu620/OpenHTJ2K/pull/320"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0839e5de5845d0758934f5bff441e2ba77e0d0386621b5d3e84a6787f99a194d · sha256:a11d75e97b95138a… · /containers/adp/0/references/0
{"url":"https://github.com/osamu620/OpenHTJ2K/pull/320"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0839e5de5845d0758934f5bff441e2ba77e0d0386621b5d3e84a6787f99a194d · sha256:a11d75e97b95138a… · /containers/cna/references/1
{"url":"https://github.com/osamu620/OpenHTJ2K/releases/tag/v0.18.5"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0839e5de5845d0758934f5bff441e2ba77e0d0386621b5d3e84a6787f99a194d · sha256:a11d75e97b95138a… · /containers/cna/references/2

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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