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CVE-2026-15055

In Bouncy Castle for Java before 1.85, PKCS#8 / PBES2 decryptors honour unbounded KDF cost from input. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bcpkix-fips 1.0.12 (1.0.X series), 2.0.12 (2.0.X series) and 2.1.12 (2.1.X series).
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:2284ab206abf8c32ce07c300147dcae40a3d3bb2255df167764ba07e257e085e
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 3 assertions

{"collectionURL":"https://www.bouncycastle.org/download/bouncy-castle-java-lts/","defaultStatus":"unaffected","modules":["pkix"],"packageName":"bcpkix-lts8on","packageURL":"pkg:maven/org.bouncycastle/bcpkix-lts8on","platforms":["all"],"product":"BC-LTS-JAVA","programFiles":["JcePKCSPBEInputDecryptorProviderBuilder","JceOpenSSLPKCS8DecryptorProviderBuilder"],"repo":"https://github.com/bcgit/bc-lts-java","vendor":"Legion of the Bouncy Castle Inc.","versions":[{"lessThan":"2.73.12","status":"affected","version":"2.73.0","versionType":"maven"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ced893c9f3e85a05e493385193251dd4c25aa7e0a14f3b4b5367a9e112193dcb · sha256:0a641c99976efeee… · /containers/cna/affected/1

{"collectionURL":"https://www.bouncycastle.org/download/bouncy-castle-java/","defaultStatus":"unaffected","modules":["pkix"],"packageName":"bcpkix","packageURL":"pkg:maven/org.bouncycastle/bcpkix-jdk18on","platforms":["all"],"product":"BC-JAVA","programFiles":["JcePKCSPBEInputDecryptorProviderBuilder","JceOpenSSLPKCS8DecryptorProviderBuilder"],"repo":"https://github.com/bcgit/bc-java","vendor":"Legion of the Bouncy Castle Inc.","versions":[{"lessThan":"1.85","status":"affected","version":"0","versionType":"maven"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ced893c9f3e85a05e493385193251dd4c25aa7e0a14f3b4b5367a9e112193dcb · sha256:0a641c99976efeee… · /containers/cna/affected/0

{"collectionURL":"https://www.bouncycastle.org/download/bouncy-castle-java-fips/","defaultStatus":"unaffected","packageName":"bcpkix-fips","packageURL":"pkg:maven/org.bouncycastle/bcpkix-fips","platforms":["all"],"product":"BC-FJA","vendor":"Legion of the Bouncy Castle Inc.","versions":[{"lessThan":"1.0.12","status":"affected","version":"1.0.0","versionType":"maven"},{"lessThan":"2.0.12","status":"affected","version":"2.0.0","versionType":"maven"},{"lessThan":"2.1.12","status":"affected","version":"2.1.0","versionType":"maven"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ced893c9f3e85a05e493385193251dd4c25aa7e0a14f3b4b5367a9e112193dcb · sha256:0a641c99976efeee… · /containers/cna/affected/2

Affected products and versions

3 source assertions
{"collectionURL":"https://www.bouncycastle.org/download/bouncy-castle-java-lts/","defaultStatus":"unaffected","modules":["pkix"],"packageName":"bcpkix-lts8on","packageURL":"pkg:maven/org.bouncycastle/bcpkix-lts8on","platforms":["all"],"product":"BC-LTS-JAVA","programFiles":["JcePKCSPBEInputDecryptorProviderBuilder","JceOpenSSLPKCS8DecryptorProviderBuilder"],"repo":"https://github.com/bcgit/bc-lts-java","vendor":"Legion of the Bouncy Castle Inc.","versions":[{"lessThan":"2.73.12","status":"affected","version":"2.73.0","versionType":"maven"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ced893c9f3e85a05e493385193251dd4c25aa7e0a14f3b4b5367a9e112193dcb · sha256:0a641c99976efeee… · /containers/cna/affected/1
{"collectionURL":"https://www.bouncycastle.org/download/bouncy-castle-java/","defaultStatus":"unaffected","modules":["pkix"],"packageName":"bcpkix","packageURL":"pkg:maven/org.bouncycastle/bcpkix-jdk18on","platforms":["all"],"product":"BC-JAVA","programFiles":["JcePKCSPBEInputDecryptorProviderBuilder","JceOpenSSLPKCS8DecryptorProviderBuilder"],"repo":"https://github.com/bcgit/bc-java","vendor":"Legion of the Bouncy Castle Inc.","versions":[{"lessThan":"1.85","status":"affected","version":"0","versionType":"maven"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ced893c9f3e85a05e493385193251dd4c25aa7e0a14f3b4b5367a9e112193dcb · sha256:0a641c99976efeee… · /containers/cna/affected/0
{"collectionURL":"https://www.bouncycastle.org/download/bouncy-castle-java-fips/","defaultStatus":"unaffected","packageName":"bcpkix-fips","packageURL":"pkg:maven/org.bouncycastle/bcpkix-fips","platforms":["all"],"product":"BC-FJA","vendor":"Legion of the Bouncy Castle Inc.","versions":[{"lessThan":"1.0.12","status":"affected","version":"1.0.0","versionType":"maven"},{"lessThan":"2.0.12","status":"affected","version":"2.0.0","versionType":"maven"},{"lessThan":"2.1.12","status":"affected","version":"2.1.0","versionType":"maven"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ced893c9f3e85a05e493385193251dd4c25aa7e0a14f3b4b5367a9e112193dcb · sha256:0a641c99976efeee… · /containers/cna/affected/2

Provider-owned CVSS observations

1 source assertion
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":5.3,"baseSeverity":"MEDIUM","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"AMBER","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"PASSIVE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/U:Amber","version":"4.0","vulnAvailabilityImpact":"LOW","vulnConfidentialityImp…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:ced893c9f3e85a05e493385193251dd4c25aa7e0a14f3b4b5367a9e112193dcb · sha256:0a641c99976efeee… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-770","description":"CWE-770 Allocation of Resources Without Limits or Throttling","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:ced893c9f3e85a05e493385193251dd4c25aa7e0a14f3b4b5367a9e112193dcb · sha256:0a641c99976efeee… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"tags":["patch"],"url":"https://github.com/bcgit/bc-java/commit/7ab4ee67a0135950001b29b41a96d8a9a5d3b68b"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ced893c9f3e85a05e493385193251dd4c25aa7e0a14f3b4b5367a9e112193dcb · sha256:0a641c99976efeee… · /containers/cna/references/1
{"tags":["vendor-advisory"],"url":"https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%9015055"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ced893c9f3e85a05e493385193251dd4c25aa7e0a14f3b4b5367a9e112193dcb · sha256:0a641c99976efeee… · /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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