CVE-2026-22700

{"id": "CVE-2026-22700", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-22700", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-01-12T14:46:42.360189Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "affected": [{"source": "security-advisories@github.com", "affectedData": [{"vendor": "RustCrypto", "product": "elliptic-curves", "versions": [{"status": "affected", "version": "= 0.14.0-pre.0"}, {"status": "affected", "version": "= 0.14.0-rc.0"}]}]}], "published": "2026-01-10T06:15:52.517", "references": [{"url": "https://github.com/RustCrypto/elliptic-curves/commit/e60e99167a9a2b187ebe80c994c5204b0fdaf4ab", "tags": ["Patch"], "source": "security-advisories@github.com"}, {"url": "https://github.com/RustCrypto/elliptic-curves/pull/1603", "tags": ["Patch"], "source": "security-advisories@github.com"}, {"url": "https://github.com/RustCrypto/elliptic-curves/security/advisories/GHSA-j9xq-69pf-pcm8", "tags": ["Exploit", "Vendor Advisory"], "source": "security-advisories@github.com"}, {"url": "https://github.com/RustCrypto/elliptic-curves/security/advisories/GHSA-j9xq-69pf-pcm8", "tags": ["Exploit", "Vendor Advisory"], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-20"}]}, {"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "RustCrypto: Elliptic Curves is general purpose Elliptic Curve Cryptography (ECC) support, including types and traits for representing various elliptic curve forms, scalars, points, and public/secret keys composed thereof. In versions 0.14.0-pre.0 and 0.14.0-rc.0, a denial-of-service vulnerability exists in the SM2 public-key encryption (PKE) implementation: the decrypt() path performs unchecked slice::split_at operations on input buffers derived from untrusted ciphertext. An attacker can submit short/undersized ciphertext or carefully-crafted DER-encoded structures to trigger bounds-check panics (Rust unwinding) which crash the calling thread or process. This issue has been patched via commit e60e991."}, {"lang": "es", "value": "RustCrypto: Curvas El\u00edpticas es soporte de Criptograf\u00eda de Curva El\u00edptica (ECC) de prop\u00f3sito general, incluyendo tipos y rasgos para representar varias formas de curvas el\u00edpticas, escalares, puntos y claves p\u00fablicas/secretas compuestas de ellos. En las versiones 0.14.0-pre.0 y 0.14.0-rc.0, existe una vulnerabilidad de denegaci\u00f3n de servicio en la implementaci\u00f3n de cifrado (PKE) de clave p\u00fablica SM2: la ruta decrypt() realiza operaciones slice::split_at sin verificar en b\u00faferes de entrada derivados de texto cifrado no confiable. Un atacante puede enviar texto cifrado corto/subdimensionado o estructuras codificadas en DER cuidadosamente elaboradas para activar p\u00e1nicos de verificaci\u00f3n de l\u00edmites (desenrolle de Rust) que bloquean el hilo o proceso que realiza la llamada. Este problema ha sido parcheado mediante el commit e60e991."}], "lastModified": "2026-06-17T10:20:15.560", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:rustcrypto:sm2_elliptic_curve:0.14.0:pre0:*:*:*:rust:*:*", "vulnerable": true, "matchCriteriaId": "5F5BCFE9-1585-4A90-857F-7F9E1B9C9ADA"}, {"criteria": "cpe:2.3:a:rustcrypto:sm2_elliptic_curve:0.14.0:rc0:*:*:*:rust:*:*", "vulnerable": true, "matchCriteriaId": "B584C50F-8ED4-45F4-8799-7CCFE8D4DF66"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}