CVE-2016-4008 · cross-distro fix matrix

CVE-2016-4008: The _asn1_extract_der_octet function in lib/decoding.c in GNU Libtasn1 before 4.8, when used without the ASN1_DECODE_FLAG_STRICT_DER flag, allows remote attackers to cause a denial of service (infinite recursion) via a crafted certificate.

Affects 3 Linux releases across 3 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2016-4008 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

libtasn1-6→ fixed in4.8-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libtasn1-6
```

Debian bookworm

Source: Debian Security Tracker

libtasn1-6→ fixed in4.8-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libtasn1-6
```

Debian trixie

Source: Debian Security Tracker

libtasn1-6→ fixed in4.8-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libtasn1-6
```

Are YOU affected by CVE-2016-4008?

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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