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CVE-2026-47747

stable-diffusion.cpp is a pure C/C++ library for running diffusion model (Stable Diffusion, Flux, Wan, Qwen Image, Z-Image, and more) inference. In versions prior to master-584-0a7ae07, the pickle .ckpt parser in src/model.cpp contained a heap buffer overflow vulnerability in the BINUNICODE opcode handler. The issue was caused by sign confusion on the opcode length field. A crafted .ckpt file could trigger memcpy with a very large length derived from a negative signed value, causing immediate he
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:eae2fda273f2fbf3a3b439999de4a36aebd535db2dea2cb16ab05ee8715aefeb
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-787","description":"CWE-787: Out-of-bounds Write","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:a4edf09f31bab1f31e1a3e3d92ec1353d9eef53b895e64aa93cf2ebdfad8ebc1 · sha256:f4f90d06acf382e0… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-122","description":"CWE-122: Heap-based Buffer Overflow","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:a4edf09f31bab1f31e1a3e3d92ec1353d9eef53b895e64aa93cf2ebdfad8ebc1 · sha256:f4f90d06acf382e0… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"product":"stable-diffusion.cpp","vendor":"leejet","versions":[{"status":"affected","version":"< master-584-0a7ae07"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a4edf09f31bab1f31e1a3e3d92ec1353d9eef53b895e64aa93cf2ebdfad8ebc1 · sha256:f4f90d06acf382e0… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/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:a4edf09f31bab1f31e1a3e3d92ec1353d9eef53b895e64aa93cf2ebdfad8ebc1 · sha256:f4f90d06acf382e0… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-787","description":"CWE-787: Out-of-bounds Write","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:a4edf09f31bab1f31e1a3e3d92ec1353d9eef53b895e64aa93cf2ebdfad8ebc1 · sha256:f4f90d06acf382e0… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-122","description":"CWE-122: Heap-based Buffer Overflow","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:a4edf09f31bab1f31e1a3e3d92ec1353d9eef53b895e64aa93cf2ebdfad8ebc1 · sha256:f4f90d06acf382e0… · /containers/cna/problemTypes/0/descriptions/0

Source references

4 source assertions
{"name":"https://github.com/leejet/stable-diffusion.cpp/commit/0a7ae07f948eff4611968a65a22bd7c7031ad74f","tags":["x_refsource_MISC"],"url":"https://github.com/leejet/stable-diffusion.cpp/commit/0a7ae07f948eff4611968a65a22bd7c7031ad74f"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a4edf09f31bab1f31e1a3e3d92ec1353d9eef53b895e64aa93cf2ebdfad8ebc1 · sha256:f4f90d06acf382e0… · /containers/cna/references/2
{"name":"https://github.com/leejet/stable-diffusion.cpp/pull/1443","tags":["x_refsource_MISC"],"url":"https://github.com/leejet/stable-diffusion.cpp/pull/1443"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a4edf09f31bab1f31e1a3e3d92ec1353d9eef53b895e64aa93cf2ebdfad8ebc1 · sha256:f4f90d06acf382e0… · /containers/cna/references/1
{"tags":["exploit"],"url":"https://github.com/leejet/stable-diffusion.cpp/security/advisories/GHSA-mghm-5mqc-pwmp"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a4edf09f31bab1f31e1a3e3d92ec1353d9eef53b895e64aa93cf2ebdfad8ebc1 · sha256:f4f90d06acf382e0… · /containers/adp/0/references/0
{"name":"https://github.com/leejet/stable-diffusion.cpp/security/advisories/GHSA-mghm-5mqc-pwmp","tags":["x_refsource_CONFIRM"],"url":"https://github.com/leejet/stable-diffusion.cpp/security/advisories/GHSA-mghm-5mqc-pwmp"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a4edf09f31bab1f31e1a3e3d92ec1353d9eef53b895e64aa93cf2ebdfad8ebc1 · sha256:f4f90d06acf382e0… · /containers/cna/references/0

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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