[SECURITY] [DLA 4274-2] mbedtls security update
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Debian LTS Advisory DLA-4274-2 debian-lts@lists.debian.org
https://www.debian.org/lts/security/ Andrej Shadura
August 30, 2025 https://wiki.debian.org/LTS
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Package : mbedtls
Version : 2.16.9-0.1+deb11u3
CVE ID : CVE-2025-47917
The previous update, 2.16.9-0.1+deb11u2, fixed the following security issue:
CVE-2025-47917
MbedTLS allows use-after-free in certain situations in the correctly
developed applications.
Unfortunately, the fix was incomplete and introduced a potential regression
in other correctly developed applications.
For Debian 11 bullseye, this problem has been fixed in version
2.16.9-0.1+deb11u3.
We recommend that you upgrade your mbedtls packages.
For the detailed security status of mbedtls please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/mbedtls
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
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