CVE-2019-14871 · cross-distro fix matrix

CVE-2019-14871: The REENT_CHECK macro (see newlib/libc/include/sys/reent.h) as used by REENT_CHECK_TM, REENT_CHECK_MISC, REENT_CHECK_MP and other newlib macros in versions prior to 3.3.0, does not check for memory allocation problems when the DEBUG flag is unset (as is the case in production firmware builds).

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

Fix per ecosystem

Each block below is a distro release where CVE-2019-14871 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

newlib→ fixed in3.3.0-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y newlib
```
picolibc→ fixed in1.4.3-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y picolibc
```

Debian bookworm

Source: Debian Security Tracker

newlib→ fixed in3.3.0-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y newlib
```
picolibc→ fixed in1.4.3-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y picolibc
```

Debian trixie

Source: Debian Security Tracker

newlib→ fixed in3.3.0-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y newlib
```
picolibc→ fixed in1.4.3-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y picolibc
```

Are YOU affected by CVE-2019-14871?

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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Continuous monitoring beats manual checking

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