A timing-based side-channel flaw exists in the perl-Crypt-OpenSSL-RSA package, which could be sufficient to recover plaintext across a network in a Bleichenbacher-style attack. To achieve successful decryption, an attacker would have to be able to send a large number of trial messages. The vulnerability affects the legacy PKCS#1v1.5 RSA encryption padding mode.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade perl-Crypt-OpenSSL-RSA-debuginfoUpgrade perl-Crypt-OpenSSL-RSA | May 20, 2026 | May 20, 2026 |
| Debian | — | Upgrade libcrypt-openssl-rsa-perl | May 15, 2025 | Apr 25, 2024 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Apr 25, 2024 |
| Suse | — | Upgrade perl-Crypt-OpenSSL-RSA | Dec 5, 2025 | Jun 11, 2025 |
| Ubuntu | — | No solution exists | Jun 26, 2025 | Apr 25, 2024 |
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