## Go JOSE: Panic during CBC-HMAC processing

- 種別: advisory
- 重大度: medium
- 関連技術: go, github
- CVE: CVE-2026-116585
- 公開日時: 2026-10-28T21:14:00.000Z
- 情報源: GitHub Advisory Database (https://github.com/advisories/GHSA-4w3g-jfj2-cw2q)
- パーマリンク: https://vulnpulse.app/items/ghsa-ghsa-4w3g-jfj2-cw2q

影響: go:github.com/go-jose/go-jose/v4 < 4.1.5 → 4.1.5, go:github.com/go-jose/go-jose/v3 <= 3.0.5
Decrypting a ciphertext with "A128CBC-HS256", "A192CBC-HS384", or "A256CBC-HS512" can result in a panic on untrusted input. Note this advisory is the same as https://github.com/go-jose/go-jose/security/advisories/GHSA-6mp9-8xrw-74r4. Details Insufficient validation of parameters can lead to attempting to index into an empty buffer. See https://github.com/go-jose/go-jose/pull/292. Workarounds If the application does not require the CBC-HMAC modes for content encryption, and is using github.com/g…