Medium severityOSV Advisory· Published Mar 3, 2025· Updated Apr 15, 2026
CVE-2025-27498
CVE-2025-27498
Description
aes-gcm is a pure Rust implementation of the AES-GCM. In decrypt_in_place_detached, the decrypted ciphertext (which is the correct ciphertext) is exposed even if the tag is incorrect. This is because in decrypt_inplace in asconcore.rs, tag verification causes an error to be returned with the plaintext contents still in buffer. The vulnerability is fixed in 0.4.3.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
ascon_aeadcrates.io | < 0.4.3 | 0.4.3 |
Affected products
2- Range: aes-gcm-siv-v0.10.0, aes-gcm-siv-v0.10.1, aes-gcm-siv-v0.5.0, …
Patches
Vulnerability mechanics
References
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