CVE-2026-40200 · cross-distro fix matrix

CVE-2026-40200: An issue was discovered in musl libc 0.7.10 through 1.2.6. Stack-based memory corruption can occur during qsort of very large arrays, due to incorrectly implemented double-word primitives. The number of elements must exceed about seven million, i.e., the 32nd Leonardo number on 32-bit platforms (or

Affects 5 Linux releases across 5 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2026-40200 has a known fix. Run the listed command on that distro to remediate.

Debian trixie

Source: Debian Security Tracker

musl→ fixed in1.2.5-3.1~deb13u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y musl
```

Alpine v3.20

Source: Alpine secdb

musl→ fixed in1.2.5-r3
```
apk update && apk add --upgrade musl
```

Alpine v3.21

Source: Alpine secdb

musl→ fixed in1.2.5-r11
```
apk update && apk add --upgrade musl
```

Alpine edge

Source: Alpine secdb

musl→ fixed in1.2.6-r2
```
apk update && apk add --upgrade musl
```

Alpine v3.19

Source: Alpine secdb

musl→ fixed in1.2.4_git20230717-r6
```
apk update && apk add --upgrade musl
```

Are YOU affected by CVE-2026-40200?

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

Form-based quickscan View on NVD

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