build(deps): bump github.com/go-jose/go-jose/v4

Bumps the go_modules group with 1 update in the / directory: [github.com/go-jose/go-jose/v4](https://github.com/go-jose/go-jose).


Updates `github.com/go-jose/go-jose/v4` from 4.1.3 to 4.1.4
- [Release notes](https://github.com/go-jose/go-jose/releases)
- [Commits](https://github.com/go-jose/go-jose/compare/v4.1.3...v4.1.4)

---
updated-dependencies:
- dependency-name: github.com/go-jose/go-jose/v4
  dependency-version: 4.1.4
  dependency-type: direct:production
  dependency-group: go_modules
...

Signed-off-by: dependabot[bot] <support@github.com>

go.mod

@@ -15,7 +15,7 @@ require (
 	github.com/docker/docker-credential-helpers v0.9.5
 	github.com/docker/go-events v0.0.0-20250808211157-605354379745
 	github.com/docker/go-metrics v0.0.1
-	github.com/go-jose/go-jose/v4 v4.1.3
+	github.com/go-jose/go-jose/v4 v4.1.4
 	github.com/google/uuid v1.6.0
 	github.com/gorilla/handlers v1.5.2
 	github.com/gorilla/mux v1.8.1

go.sum

@@ -109,8 +109,8 @@ github.com/envoyproxy/protoc-gen-validate v1.3.0 h1:TvGH1wof4H33rezVKWSpqKz5NXWg
 github.com/envoyproxy/protoc-gen-validate v1.3.0/go.mod h1:HvYl7zwPa5mffgyeTUHA9zHIH36nmrm7oCbo4YKoSWA=
 github.com/felixge/httpsnoop v1.0.4 h1:NFTV2Zj1bL4mc9sqWACXbQFVBBg2W3GPvqp8/ESS2Wg=
 github.com/felixge/httpsnoop v1.0.4/go.mod h1:m8KPJKqk1gH5J9DgRY2ASl2lWCfGKXixSwevea8zH2U=
-github.com/go-jose/go-jose/v4 v4.1.3 h1:CVLmWDhDVRa6Mi/IgCgaopNosCaHz7zrMeF9MlZRkrs=
-github.com/go-jose/go-jose/v4 v4.1.3/go.mod h1:x4oUasVrzR7071A4TnHLGSPpNOm2a21K9Kf04k1rs08=
+github.com/go-jose/go-jose/v4 v4.1.4 h1:moDMcTHmvE6Groj34emNPLs/qtYXRVcd6S7NHbHz3kA=
+github.com/go-jose/go-jose/v4 v4.1.4/go.mod h1:x4oUasVrzR7071A4TnHLGSPpNOm2a21K9Kf04k1rs08=
 github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
 github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9GBnD5lWE=
 github.com/go-logfmt/logfmt v0.4.0/go.mod h1:3RMwSq7FuexP4Kalkev3ejPJsZTpXXBr9+V4qmtdjCk=

vendor/github.com/go-jose/go-jose/v4/asymmetric.go

@@ -414,6 +414,9 @@ func (ctx ecKeyGenerator) genKey() ([]byte, rawHeader, error) {
 
 // Decrypt the given payload and return the content encryption key.
 func (ctx ecDecrypterSigner) decryptKey(headers rawHeader, recipient *recipientInfo, generator keyGenerator) ([]byte, error) {
+	if recipient == nil {
+		return nil, errors.New("go-jose/go-jose: missing recipient")
+	}
 	epk, err := headers.getEPK()
 	if err != nil {
 		return nil, errors.New("go-jose/go-jose: invalid epk header")
@@ -461,13 +464,18 @@ func (ctx ecDecrypterSigner) decryptKey(headers rawHeader, recipient *recipientI
 		return nil, ErrUnsupportedAlgorithm
 	}
 
+	encryptedKey := recipient.encryptedKey
+	if len(encryptedKey) == 0 {
+		return nil, errors.New("go-jose/go-jose: missing JWE Encrypted Key")
+	}
+
 	key := deriveKey(string(algorithm), keySize)
 	block, err := aes.NewCipher(key)
 	if err != nil {
 		return nil, err
 	}
 
-	return josecipher.KeyUnwrap(block, recipient.encryptedKey)
+	return josecipher.KeyUnwrap(block, encryptedKey)
 }
 
 func (ctx edDecrypterSigner) signPayload(payload []byte, alg SignatureAlgorithm) (Signature, error) {

vendor/github.com/go-jose/go-jose/v4/cipher/key_wrap.go

@@ -66,12 +66,20 @@ func KeyWrap(block cipher.Block, cek []byte) ([]byte, error) {
 }
 
 // KeyUnwrap implements NIST key unwrapping; it unwraps a content encryption key (cek) with the given block cipher.
+//
+// https://datatracker.ietf.org/doc/html/rfc7518#section-4.4
+// https://datatracker.ietf.org/doc/html/rfc7518#section-4.6
+// https://datatracker.ietf.org/doc/html/rfc7518#section-4.8
 func KeyUnwrap(block cipher.Block, ciphertext []byte) ([]byte, error) {
+	n := (len(ciphertext) / 8) - 1
+	if n <= 0 {
+		return nil, errors.New("go-jose/go-jose: JWE Encrypted Key too short")
+	}
+
 	if len(ciphertext)%8 != 0 {
 		return nil, errors.New("go-jose/go-jose: key wrap input must be 8 byte blocks")
 	}
 
-	n := (len(ciphertext) / 8) - 1
 	r := make([][]byte, n)
 
 	for i := range r {

vendor/github.com/go-jose/go-jose/v4/symmetric.go

@@ -366,11 +366,21 @@ func (ctx *symmetricKeyCipher) encryptKey(cek []byte, alg KeyAlgorithm) (recipie
 
 // Decrypt the content encryption key.
 func (ctx *symmetricKeyCipher) decryptKey(headers rawHeader, recipient *recipientInfo, generator keyGenerator) ([]byte, error) {
-	switch headers.getAlgorithm() {
-	case DIRECT:
-		cek := make([]byte, len(ctx.key))
-		copy(cek, ctx.key)
-		return cek, nil
+	if recipient == nil {
+		return nil, fmt.Errorf("go-jose/go-jose: missing recipient")
+	}
+
+	alg := headers.getAlgorithm()
+	if alg == DIRECT {
+		return bytes.Clone(ctx.key), nil
+	}
+
+	encryptedKey := recipient.encryptedKey
+	if len(encryptedKey) == 0 {
+		return nil, fmt.Errorf("go-jose/go-jose: missing JWE Encrypted Key")
+	}
+
+	switch alg {
 	case A128GCMKW, A192GCMKW, A256GCMKW:
 		aead := newAESGCM(len(ctx.key))
 
@@ -385,7 +395,7 @@ func (ctx *symmetricKeyCipher) decryptKey(headers rawHeader, recipient *recipien
 
 		parts := &aeadParts{
 			iv:         iv.bytes(),
-			ciphertext: recipient.encryptedKey,
+			ciphertext: encryptedKey,
 			tag:        tag.bytes(),
 		}
 
@@ -401,7 +411,7 @@ func (ctx *symmetricKeyCipher) decryptKey(headers rawHeader, recipient *recipien
 			return nil, err
 		}
 
-		cek, err := josecipher.KeyUnwrap(block, recipient.encryptedKey)
+		cek, err := josecipher.KeyUnwrap(block, encryptedKey)
 		if err != nil {
 			return nil, err
 		}
@@ -445,7 +455,7 @@ func (ctx *symmetricKeyCipher) decryptKey(headers rawHeader, recipient *recipien
 			return nil, err
 		}
 
-		cek, err := josecipher.KeyUnwrap(block, recipient.encryptedKey)
+		cek, err := josecipher.KeyUnwrap(block, encryptedKey)
 		if err != nil {
 			return nil, err
 		}

vendor/modules.txt

@@ -279,7 +279,7 @@ github.com/envoyproxy/protoc-gen-validate/validate
 # github.com/felixge/httpsnoop v1.0.4
 ## explicit; go 1.13
 github.com/felixge/httpsnoop
-# github.com/go-jose/go-jose/v4 v4.1.3
+# github.com/go-jose/go-jose/v4 v4.1.4
 ## explicit; go 1.24.0
 github.com/go-jose/go-jose/v4
 github.com/go-jose/go-jose/v4/cipher