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CVE-2026-20657

A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4, visionOS 26.4. Parsing a maliciously crafted file may lead to an unexpected app termination.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:54b0f14a3c86ad1e11651af9c2c5f54921895d3c4350c4730f1324159926de9f
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 3 assertions

{"product":"iOS and iPadOS","vendor":"Apple","versions":[{"lessThan":"18.7.7","status":"affected","version":"0","versionType":"custom"},{"lessThan":"26.4","status":"affected","version":"0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:56a2422214bdf8f1d58b229e92dcdee7b5b030508d0480264630294cb25bee8d · sha256:a45085f19fe36748… · /containers/cna/affected/0

{"product":"macOS","vendor":"Apple","versions":[{"lessThan":"14.8.5","status":"affected","version":"0","versionType":"custom"},{"lessThan":"15.7.5","status":"affected","version":"0","versionType":"custom"},{"lessThan":"26.4","status":"affected","version":"0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:56a2422214bdf8f1d58b229e92dcdee7b5b030508d0480264630294cb25bee8d · sha256:a45085f19fe36748… · /containers/cna/affected/1

{"product":"visionOS","vendor":"Apple","versions":[{"lessThan":"26.4","status":"affected","version":"0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:56a2422214bdf8f1d58b229e92dcdee7b5b030508d0480264630294cb25bee8d · sha256:a45085f19fe36748… · /containers/cna/affected/2
cwe · 4 assertions

{"cweId":"CWE-119","description":"CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:56a2422214bdf8f1d58b229e92dcdee7b5b030508d0480264630294cb25bee8d · sha256:a45085f19fe36748… · /containers/adp/0/problemTypes/0/descriptions/0

{"description":"Parsing a maliciously crafted file may lead to an unexpected app termination","lang":"en"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:56a2422214bdf8f1d58b229e92dcdee7b5b030508d0480264630294cb25bee8d · sha256:a45085f19fe36748… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-125","description":"CWE-125 Out-of-bounds Read","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:56a2422214bdf8f1d58b229e92dcdee7b5b030508d0480264630294cb25bee8d · sha256:a45085f19fe36748… · /containers/adp/0/problemTypes/1/descriptions/0

{"cweId":"CWE-787","description":"CWE-787 Out-of-bounds Write","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:56a2422214bdf8f1d58b229e92dcdee7b5b030508d0480264630294cb25bee8d · sha256:a45085f19fe36748… · /containers/adp/0/problemTypes/2/descriptions/0

Affected products and versions

3 source assertions
{"product":"iOS and iPadOS","vendor":"Apple","versions":[{"lessThan":"18.7.7","status":"affected","version":"0","versionType":"custom"},{"lessThan":"26.4","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:56a2422214bdf8f1d58b229e92dcdee7b5b030508d0480264630294cb25bee8d · sha256:a45085f19fe36748… · /containers/cna/affected/0
{"product":"macOS","vendor":"Apple","versions":[{"lessThan":"14.8.5","status":"affected","version":"0","versionType":"custom"},{"lessThan":"15.7.5","status":"affected","version":"0","versionType":"custom"},{"lessThan":"26.4","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:56a2422214bdf8f1d58b229e92dcdee7b5b030508d0480264630294cb25bee8d · sha256:a45085f19fe36748… · /containers/cna/affected/1
{"product":"visionOS","vendor":"Apple","versions":[{"lessThan":"26.4","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:56a2422214bdf8f1d58b229e92dcdee7b5b030508d0480264630294cb25bee8d · sha256:a45085f19fe36748… · /containers/cna/affected/2

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:56a2422214bdf8f1d58b229e92dcdee7b5b030508d0480264630294cb25bee8d · sha256:a45085f19fe36748… · /containers/adp/0/metrics/0/cvssV3_1

CWE assertions

4 source assertions
{"cweId":"CWE-119","description":"CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:56a2422214bdf8f1d58b229e92dcdee7b5b030508d0480264630294cb25bee8d · sha256:a45085f19fe36748… · /containers/adp/0/problemTypes/0/descriptions/0
{"description":"Parsing a maliciously crafted file may lead to an unexpected app termination","lang":"en"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:56a2422214bdf8f1d58b229e92dcdee7b5b030508d0480264630294cb25bee8d · sha256:a45085f19fe36748… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-125","description":"CWE-125 Out-of-bounds Read","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:56a2422214bdf8f1d58b229e92dcdee7b5b030508d0480264630294cb25bee8d · sha256:a45085f19fe36748… · /containers/adp/0/problemTypes/1/descriptions/0
{"cweId":"CWE-787","description":"CWE-787 Out-of-bounds Write","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:56a2422214bdf8f1d58b229e92dcdee7b5b030508d0480264630294cb25bee8d · sha256:a45085f19fe36748… · /containers/adp/0/problemTypes/2/descriptions/0

Source references

6 source assertions
{"url":"https://support.apple.com/en-us/126792"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:56a2422214bdf8f1d58b229e92dcdee7b5b030508d0480264630294cb25bee8d · sha256:a45085f19fe36748… · /containers/cna/references/0
{"url":"https://support.apple.com/en-us/126793"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:56a2422214bdf8f1d58b229e92dcdee7b5b030508d0480264630294cb25bee8d · sha256:a45085f19fe36748… · /containers/cna/references/1
{"url":"https://support.apple.com/en-us/126794"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:56a2422214bdf8f1d58b229e92dcdee7b5b030508d0480264630294cb25bee8d · sha256:a45085f19fe36748… · /containers/cna/references/2
{"url":"https://support.apple.com/en-us/126795"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:56a2422214bdf8f1d58b229e92dcdee7b5b030508d0480264630294cb25bee8d · sha256:a45085f19fe36748… · /containers/cna/references/3
{"url":"https://support.apple.com/en-us/126796"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:56a2422214bdf8f1d58b229e92dcdee7b5b030508d0480264630294cb25bee8d · sha256:a45085f19fe36748… · /containers/cna/references/4
{"url":"https://support.apple.com/en-us/126799"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:56a2422214bdf8f1d58b229e92dcdee7b5b030508d0480264630294cb25bee8d · sha256:a45085f19fe36748… · /containers/cna/references/5

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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