CVE-2016-1951 · cross-distro fix matrix

CVE-2016-1951: Multiple integer overflows in io/prprf.c in Mozilla Netscape Portable Runtime (NSPR) before 4.12 allow remote attackers to cause a denial of service (buffer overflow) or possibly have unspecified other impact via a long string to a PR_*printf function.

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

Fix per ecosystem

Each block below is a distro release where CVE-2016-1951 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
```
nspr→ fixed in2:4.12-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y nspr
```

Debian bookworm

Source: Debian Security Tracker

firefox-esr→ fixed in45.0esr-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y firefox-esr
```
nspr→ fixed in2:4.12-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y nspr
```

Debian trixie

Source: Debian Security Tracker

firefox-esr→ fixed in45.0esr-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y firefox-esr
```
nspr→ fixed in2:4.12-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y nspr
```

Are YOU affected by CVE-2016-1951?

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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