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CVE-2026-65632 ECDSA signature length is not validated in jose, allowing signature malleability

🗓️ 26 Oct 2026 19:53:56Reported by EEFType 
cvelist
 cvelist
🔗 www.cve.org👁 11 Views

jose library lacks ECDSA signature length validation, allowing signature malleability.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-65632
26 Oct 202620:05
–circl
cve
CVE
CVE-2026-65632
26 Oct 202619:53
–cve
euvd
EUVD
EUVD-2026-110310
26 Oct 202619:53
–euvd
nvd
NVD
CVE-2026-65632
26 Oct 202620:17
–nvd
osv_eef
osv_eef
EEF-CVE-2026-65632 ECDSA signature length is not validated in jose, allowing signature malleability
26 Oct 202619:53
–osv_eef
ptsecurity
Positive Technologies
PT-2026-125117
26 Oct 202600:00
–ptsecurity
[
  {
    "collectionURL": "https://repo.hex.pm",
    "cpes": [
      "cpe:2.3:a:potatosalad:jose:*:*:*:*:*:*:*:*"
    ],
    "defaultStatus": "unaffected",
    "modules": [
      "jose_jwk_kty_ec"
    ],
    "packageName": "jose",
    "packageURL": "pkg:hex/jose",
    "product": "jose",
    "programFiles": [
      "src/jwk/jose_jwk_kty_ec.erl"
    ],
    "programRoutines": [
      {
        "name": "jose_jwk_kty_ec:verify/4"
      }
    ],
    "repo": "https://github.com/potatosalad/erlang-jose",
    "vendor": "potatosalad",
    "versions": [
      {
        "lessThan": "1.11.13",
        "status": "affected",
        "version": "1.0.0",
        "versionType": "semver"
      }
    ]
  },
  {
    "collectionURL": "https://github.com",
    "cpes": [
      "cpe:2.3:a:potatosalad:jose:*:*:*:*:*:*:*:*"
    ],
    "defaultStatus": "unaffected",
    "modules": [
      "jose_jwk_kty_ec"
    ],
    "packageName": "potatosalad/erlang-jose",
    "packageURL": "pkg:github/potatosalad/erlang-jose",
    "product": "jose",
    "programFiles": [
      "src/jwk/jose_jwk_kty_ec.erl"
    ],
    "programRoutines": [
      {
        "name": "jose_jwk_kty_ec:verify/4"
      }
    ],
    "repo": "https://github.com/potatosalad/erlang-jose",
    "vendor": "potatosalad",
    "versions": [
      {
        "lessThan": "72ce1866622b9329347dc52a94173ac0317bc9cf",
        "status": "affected",
        "version": "a7746ecd4950f85a393136e449a91dac62b5c429",
        "versionType": "git"
      }
    ]
  }
]

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