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Debian Security Advisory DSA-4635-1                   security@debian.org
https://www.debian.org/security/                     Salvatore Bonaccorso
February 26, 2020                     https://www.debian.org/security/faq
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Package        : proftpd-dfsg
CVE ID         : CVE-2020-9273
Debian Bug     : 951800

Antonio Morales discovered an user-after-free flaw in the memory pool
allocator in ProFTPD, a powerful modular FTP/SFTP/FTPS server.
Interrupting current data transfers can corrupt the ProFTPD memory pool,
leading to denial of service, or potentially the execution of arbitrary
code.

For the oldstable distribution (stretch), this problem has been fixed
in version 1.3.5b-4+deb9u4.

For the stable distribution (buster), this problem has been fixed in
version 1.3.6-4+deb10u4.

We recommend that you upgrade your proftpd-dfsg packages.

For the detailed security status of proftpd-dfsg please refer to its
security tracker page at:
https://security-tracker.debian.org/tracker/proftpd-dfsg

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org
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