MEDIUM 6.2 NVD

CVE-2026-87732

An issue was discovered in the mirage-crypto package before 2.2.0 for OCaml. The AES.GCM.authenticate_decrypt_into and Chacha20.authenticate_decrypt_into functi

An issue was discovered in the mirage-crypto package before 2.2.0 for OCaml. The AES.GCM.authenticate_decrypt_into and Chacha20.authenticate_decrypt_into functions write the decrypted plaintext into a caller-provided buffer and only then compares the tag. On a forged tag, the functions returns false, but the destination buffer already holds the full plaintext.

References

https://osv.dev/vulnerability/OSEC-2026-12
https://osv.dev/vulnerability/OSEC-2026-12

Published: 2026-09-09 · Source: NVD · Feed updated: 2026-09-12

This medium severity vulnerability with a CVSS score of 6.2 was published on 2026-09-09 via NVD.

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