CVE-2020-25756 · cross-distro fix matrix

CVE-2020-25756: A buffer overflow vulnerability exists in the mg_get_http_header function in Cesanta Mongoose 6.18 due to a lack of bounds checking. A crafted HTTP header can exploit this bug. NOTE: a committer has stated "this will not happen in practice.

Affects 2 Linux releases across 2 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2020-25756 has a known fix. Run the listed command on that distro to remediate.

Debian bookworm

Source: Debian Security Tracker

swupdate→ fixed in2022.12+dfsg-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y swupdate
```

Debian trixie

Source: Debian Security Tracker

swupdate→ fixed in2022.12+dfsg-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y swupdate
```

Are YOU affected by CVE-2020-25756?

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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Form-based quickscan View on NVD

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