CVE-2016-1979 · cross-distro fix matrix

CVE-2016-1979: Use-after-free vulnerability in the PK11_ImportDERPrivateKeyInfoAndReturnKey function in Mozilla Network Security Services (NSS) before 3.21.1, as used in Mozilla Firefox before 45.0, allows remote attackers to cause a denial of service or possibly have unspecified other impact via crafted key data

Affects 3 Linux releases across 6 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2016-1979 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

firefox-esr→ fixed in45.0esr-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y firefox-esr
```
nss→ fixed in2:3.21-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y nss
```

Debian bookworm

Source: Debian Security Tracker

firefox-esr→ fixed in45.0esr-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y firefox-esr
```
nss→ fixed in2:3.21-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y nss
```

Debian trixie

Source: Debian Security Tracker

firefox-esr→ fixed in45.0esr-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y firefox-esr
```
nss→ fixed in2:3.21-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y nss
```

Are YOU affected by CVE-2016-1979?

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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