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- ------------------------------------------------------------------------- Debian Security Advisory DSA-4955-1
security@debian.org https://www.debian.org/security/ Salvatore Bonaccorso August 11, 2021
https://www.debian.org/security/faq
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Package : libspf2
CVE ID : CVE-2021-20314
Philipp Jeitner and Haya Shulman discovered a stack-based buffer
overflow in libspf2, a library for validating mail senders with SPF,
which could result in denial of service, or potentially execution of
arbitrary code when processing a specially crafted SPF record.
For the stable distribution (buster), this problem has been fixed in
version 1.2.10-7.1~deb10u1.
We recommend that you upgrade your libspf2 packages.
For the detailed security status of libspf2 please refer to its security tracker page at:
https://security-tracker.debian.org/tracker/libspf2
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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