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CVE-2026-42500

Decoding a paletted BMP file with an out-of-range palette index results in a panic when accessing pixels in the invalid image.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:f0e2564755a0c73d18584428dda868dcba5b7b7faa3756db12fd8d96b3536346
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"collectionURL":"https://pkg.go.dev","defaultStatus":"unaffected","packageName":"golang.org/x/image/bmp","product":"golang.org/x/image/bmp","programRoutines":[{"name":"decodePaletted"},{"name":"Decode"}],"vendor":"golang.org/x/image","versions":[{"lessThan":"0.41.0","status":"affected","version":"0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:0d8b9ab69745be8aa9a22ef9975500527e63ed4905e76a2761fe30d0b912037c · sha256:c03531a89c514842… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:0d8b9ab69745be8aa9a22ef9975500527e63ed4905e76a2761fe30d0b912037c · sha256:c03531a89c514842… · /containers/adp/0/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"description":"CWE-129: Improper Validation of Array Index","lang":"en"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:0d8b9ab69745be8aa9a22ef9975500527e63ed4905e76a2761fe30d0b912037c · sha256:c03531a89c514842… · /containers/cna/problemTypes/0/descriptions/0

Source references

4 source assertions
{"url":"https://go.dev/cl/781500"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0d8b9ab69745be8aa9a22ef9975500527e63ed4905e76a2761fe30d0b912037c · sha256:c03531a89c514842… · /containers/cna/references/2
{"url":"https://go.dev/issue/79576"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0d8b9ab69745be8aa9a22ef9975500527e63ed4905e76a2761fe30d0b912037c · sha256:c03531a89c514842… · /containers/cna/references/0
{"url":"https://groups.google.com/g/golang-announce/c/uhYX90BlBvI"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0d8b9ab69745be8aa9a22ef9975500527e63ed4905e76a2761fe30d0b912037c · sha256:c03531a89c514842… · /containers/cna/references/1
{"url":"https://pkg.go.dev/vuln/GO-2026-5031"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0d8b9ab69745be8aa9a22ef9975500527e63ed4905e76a2761fe30d0b912037c · sha256:c03531a89c514842… · /containers/cna/references/3

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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