CVE-2026-31790 · cross-distro fix matrix

CVE-2026-31790: Issue summary: Applications using RSASVE key encapsulation to establish a secret encryption key can send contents of an uninitialized memory buffer to a malicious peer. Impact summary: The uninitialized buffer might contain sensitive data from the previous execution of the application process which

Affects 5 Linux releases across 5 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2026-31790 has a known fix. Run the listed command on that distro to remediate.

Debian bookworm

Source: Debian Security Tracker

openssl→ fixed in3.0.19-1~deb12u2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y openssl
```

Debian trixie

Source: Debian Security Tracker

openssl→ fixed in3.5.5-1~deb13u2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y openssl
```

Alpine v3.20

Source: Alpine secdb

openssl→ fixed in3.3.7-r0
```
apk update && apk add --upgrade openssl
```

Alpine v3.21

Source: Alpine secdb

openssl→ fixed in3.3.7-r0
```
apk update && apk add --upgrade openssl
```

Alpine edge

Source: Alpine secdb

openssl→ fixed in3.5.6-r0
```
apk update && apk add --upgrade openssl
```

Are YOU affected by CVE-2026-31790?

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.

curl https://mindsparkstack.com/scan.sh | bash

Form-based quickscan View on NVD

Continuous monitoring beats manual checking

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