CVE Explorer

CVE-2026-15997

Out-of-bounds write vulnerability in Legion of the Bouncy Castle Inc. BC-LTS bcprov-lts8on on ARM allows Overflow Buffers. This vulnerability is associated with program files https://github.Com/bcgit/bc-lts-java/blob/main/native_c/arm/sha/shake.C, https://github.Com/bcgit/bc-lts-java/blob/main/native_c/arm/sha/sha3.C. This issue affects BC-LTS: from 2.73.0 before 2.73.12.1. Issue is only applicable if application involved is accepting memoable SHA3 / SHAKE states from potentially untrust

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:0bd735f901b3e8d9ef3ccbbe97c18abe13d666dfa3a18df38f612d6fa1baa070

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"collectionURL":"https://www.bouncycastle.org/download/bouncy-castle-java-lts/","defaultStatus":"unaffected","packageName":"bcprov-lts8on","platforms":["ARM"],"product":"BC-LTS","programFiles":["https://github.com/bcgit/bc-lts-java/blob/main/native_c/arm/sha/shake.c","https://github.com/bcgit/bc-lts-java/blob/main/native_c/arm/sha/sha3.c"],"repo":"https://github.com/bcgit/bc-lts-java","vendor":"Legion of the Bouncy Castle Inc.","versions":[{"lessThan":"2.73.12.1","status":"affected","version":"2.73.0","versionType":"semver"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:5fd88334a6710616ce08b70a1189477314143313f6a41ac844c7c95b29d4e2f8 · sha256:7335a5195b21a265… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"Automatable":"NO","Recovery":"AUTOMATIC","Safety":"PRESENT","attackComplexity":"HIGH","attackRequirements":"PRESENT","attackVector":"LOCAL","baseScore":1.7,"baseSeverity":"LOW","exploitMaturity":"UNREPORTED","privilegesRequired":"NONE","providerUrgency":"AMBER","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"ACTIVE","valueDensity":"DIFFUSE","vectorString":"CVSS:4.0/AV:L/AC:H/AT:P/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/S:P/AU:N/R:A/V:D/RE:M/U:Amber","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentiali…

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:5fd88334a6710616ce08b70a1189477314143313f6a41ac844c7c95b29d4e2f8 · sha256:7335a5195b21a265… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion

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

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:5fd88334a6710616ce08b70a1189477314143313f6a41ac844c7c95b29d4e2f8 · sha256:7335a5195b21a265… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion

{"url":"https://github.com/bcgit/bc-lts-java/wiki/CVE-2026-15997"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:5fd88334a6710616ce08b70a1189477314143313f6a41ac844c7c95b29d4e2f8 · sha256:7335a5195b21a265… · /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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