CVE-2025-27810 · cross-distro fix matrix

CVE-2025-27810: Mbed TLS before 2.28.10 and 3.x before 3.6.3, in some cases of failed memory allocation or hardware errors, uses uninitialized stack memory to compose the TLS Finished message, potentially leading to authentication bypasses such as replays.

Affects 6 Linux releases across 8 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2025-27810 has a known fix. Run the listed command on that distro to remediate.

Debian trixie

Source: Debian Security Tracker

mbedtls→ fixed in3.6.3-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y mbedtls
```

Alpine v3.20

Source: Alpine secdb

mbedtls→ fixed in3.6.3-r0
```
apk update && apk add --upgrade mbedtls
```

Alpine v3.21

Source: Alpine secdb

mbedtls→ fixed in3.6.3-r0
```
apk update && apk add --upgrade mbedtls
```

mbedtls2→ fixed in2.28.10-r0

apk update && apk add --upgrade mbedtls2

Alpine edge

Source: Alpine secdb

mbedtls→ fixed in3.6.3-r0
```
apk update && apk add --upgrade mbedtls
```

mbedtls2→ fixed in2.28.10-r0

apk update && apk add --upgrade mbedtls2

Alpine v3.18

Source: Alpine secdb

mbedtls→ fixed in2.28.10-r0
```
apk update && apk add --upgrade mbedtls
```

Alpine v3.19

Source: Alpine secdb

mbedtls→ fixed in2.28.10-r0
```
apk update && apk add --upgrade mbedtls
```

Are YOU affected by CVE-2025-27810?

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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