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CVE-2026-8149

Full vulnerability record from the local CVENow database.

Description

A vulnerability in Legion of the Bouncy Castle Inc. BC-LTS bcprov-lts8on on X86_64, AVX, AVX-512f, Linux, Legion of the Bouncy Castle Inc. BC-FJA bc-fips on Linux, X86_64, AVX, AVX-512f. This vulnerability is associated with program files gcm128w, gcm512w, gcm128w.C, gcm512w.C. This issue affects BC-LTS: from 2.73.0 before 2.73.11; BC-FJA: from 2.1.0 before 2.1.3.

Severity
MEDIUM
CVSS score
5.1 (v4.0)
Vulnerability status
Awaiting Analysis
Source identifier
91579145-5d7b-4cc5-b925-a0262ff19630
Published
2026-05-08 07:16:29.603000
Last modified
2026-10-26 19:10:00.163000
View original CVE JSON
{
  "id": "CVE-2026-8149",
  "sourceIdentifier": "91579145-5d7b-4cc5-b925-a0262ff19630",
  "published": "2026-05-08T07:16:29.603",
  "lastModified": "2026-10-26T19:10:00.163",
  "vulnStatus": "Awaiting Analysis",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability in Legion of the Bouncy Castle Inc. BC-LTS bcprov-lts8on on X86_64, AVX, AVX-512f, Linux, Legion of the Bouncy Castle Inc. BC-FJA bc-fips on Linux, X86_64, AVX, AVX-512f.\n\n This vulnerability is associated with program files gcm128w, gcm512w, gcm128w.C, gcm512w.C.\n\n\n\nThis issue affects BC-LTS: from 2.73.0 before 2.73.11; BC-FJA: from 2.1.0 before 2.1.3."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad en Legion of the Bouncy Castle Inc. BC-FJA BC-FIPS en Linux, X86_64, AVX, AVX-512f.\n\nEsta vulnerabilidad está asociada con los archivos de programa gcm128w, gcm512w.\n\nEste problema afecta a BC-FJA: desde 2.1.0 hasta 2.1.2."
    }
  ],
  "affected": [
    {
      "source": "91579145-5d7b-4cc5-b925-a0262ff19630",
      "affectedData": [
        {
          "vendor": "Legion of the Bouncy Castle Inc.",
          "product": "BC-LTS",
          "defaultStatus": "unaffected",
          "collectionURL": "https://www.bouncycastle.org/download/bouncy-castle-java-fips/",
          "packageName": "bcprov-lts8on",
          "platforms": [
            "X86_64",
            "AVX",
            "AVX-512f",
            "Linux"
          ],
          "programFiles": [
            "gcm128w",
            "gcm512w"
          ],
          "repo": "https://repo1.maven.org/maven2/org/bouncycastle/bcprov-lts18on",
          "versions": [
            {
              "version": "2.73.0",
              "lessThan": "2.73.11",
              "versionType": "maven",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Legion of the Bouncy Castle Inc.",
          "product": "BC-FJA",
          "defaultStatus": "unaffected",
          "collectionURL": "https://www.bouncycastle.org/download/bouncy-castle-java-fips/",
          "packageName": "bc-fips",
          "platforms": [
            "Linux",
            "X86_64",
            "AVX",
            "AVX-512f"
          ],
          "programFiles": [
            "gcm128w.c",
            "gcm512w.c"
          ],
          "repo": "https://repo1.maven.org/maven2/org/bouncycastle/bc-fips",
          "versions": [
            {
              "version": "2.1.0",
              "lessThan": "2.1.3",
              "versionType": "maven",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV40": [
      {
        "source": "91579145-5d7b-4cc5-b925-a0262ff19630",
        "type": "Secondary",
        "cvssData": {
          "version": "4.0",
          "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:N/AU:X/R:X/V:X/RE:M/U:Amber",
          "baseScore": 5.1,
          "baseSeverity": "MEDIUM",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "vulnConfidentialityImpact": "NONE",
          "vulnIntegrityImpact": "NONE",
          "vulnAvailabilityImpact": "LOW",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "subAvailabilityImpact": "NONE",
          "exploitMaturity": "NOT_DEFINED",
          "confidentialityRequirement": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "Safety": "NEGLIGIBLE",
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "valueDensity": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "MODERATE",
          "providerUrgency": "AMBER"
        }
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-05-08T12:50:54.859989Z",
          "id": "CVE-2026-8149",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "91579145-5d7b-4cc5-b925-a0262ff19630",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-1068"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%908149",
      "source": "91579145-5d7b-4cc5-b925-a0262ff19630"
    }
  ]
}