CVE-2026-22796 · cross-distro fix matrix

CVE-2026-22796: Issue summary: A type confusion vulnerability exists in the signature verification of signed PKCS#7 data where an ASN1_TYPE union member is accessed without first validating the type, causing an invalid or NULL pointer dereference when processing malformed PKCS#7 data. Impact summary: An applicatio

Affects 6 Linux releases across 6 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2026-22796 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

openssl→ fixed in1.1.1w-0+deb11u5urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y openssl
```

Debian bookworm

Source: Debian Security Tracker

openssl→ fixed in3.0.18-1~deb12u2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y openssl
```

Debian trixie

Source: Debian Security Tracker

openssl→ fixed in3.5.4-1~deb13u2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y openssl
```

Alpine v3.20

Source: Alpine secdb

openssl→ fixed in3.3.6-r0
```
apk update && apk add --upgrade openssl
```

Alpine v3.21

Source: Alpine secdb

openssl→ fixed in3.3.6-r0
```
apk update && apk add --upgrade openssl
```

Alpine edge

Source: Alpine secdb

openssl→ fixed in3.5.5-r0
```
apk update && apk add --upgrade openssl
```

Are YOU affected by CVE-2026-22796?

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

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