CVE-2019-14866 · cross-distro fix matrix

CVE-2019-14866: In all versions of cpio before 2.13 does not properly validate input files when generating TAR archives. When cpio is used to create TAR archives from paths an attacker can write to, the resulting archive may contain files with permissions the attacker did not have or in paths he did not have access

Affects 8 Linux releases across 8 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2019-14866 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

cpio→ fixed in2.13+dfsg-1urgency: low

sudo apt-get install --only-upgrade -y cpio

Debian bookworm

Source: Debian Security Tracker

cpio→ fixed in2.13+dfsg-1urgency: low

sudo apt-get install --only-upgrade -y cpio

Debian trixie

Source: Debian Security Tracker

cpio→ fixed in2.13+dfsg-1urgency: low

sudo apt-get install --only-upgrade -y cpio

Alpine v3.20

Source: Alpine secdb

cpio→ fixed in2.13-r0
```
apk update && apk add --upgrade cpio
```

Alpine v3.21

Source: Alpine secdb

cpio→ fixed in2.13-r0
```
apk update && apk add --upgrade cpio
```

Alpine edge

Source: Alpine secdb

cpio→ fixed in2.13-r0
```
apk update && apk add --upgrade cpio
```

Alpine v3.18

Source: Alpine secdb

cpio→ fixed in2.13-r0
```
apk update && apk add --upgrade cpio
```

Alpine v3.19

Source: Alpine secdb

cpio→ fixed in2.13-r0
```
apk update && apk add --upgrade cpio
```

Are YOU affected by CVE-2019-14866?

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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