Debian Security Advisory
DLA-2629-1 libebml -- LTS security update
- Date Reported:
- 18 Apr 2021
- Affected Packages:
- Security database references:
- In Mitre's CVE dictionary: CVE-2021-3405.
- More information:
A heap overflow issue was detected in libebml, a library to read and write files in the EBML format, a binary pendant to XML. These issues appeared in several ReadData functions of various data type classes. This update also fixes the issue in EbmlString::ReadData and EbmlUnicodeString::ReadData, which were mentioned in CVE-2021-3405.
For Debian 9 stretch, this problem has been fixed in version 1.3.4-1+deb9u2.
We recommend that you upgrade your libebml packages.
For the detailed security status of libebml please refer to its security tracker page at: https://security-tracker.debian.org/tracker/libebml
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