CVE-2020-25657 · cross-distro fix matrix

CVE-2020-25657: A flaw was found in all released versions of m2crypto, where they are vulnerable to Bleichenbacher timing attacks in the RSA decryption API via the timed processing of valid PKCS#1 v1.5 Ciphertext. The highest threat from this vulnerability is to confidentiality.

Affects 2 Linux releases across 2 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2020-25657 has a known fix. Run the listed command on that distro to remediate.

Debian bookworm

Source: Debian Security Tracker

m2crypto→ fixed in0.38.0-4urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y m2crypto
```

Debian trixie

Source: Debian Security Tracker

m2crypto→ fixed in0.38.0-4urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y m2crypto
```

Are YOU affected by CVE-2020-25657?

5-second check on your actual server. Reads /etc/os-release, uname -r, and the distro's package manager; matches against this same cross-source index live.

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