- ------------------------------------------------------------------------- Debian Security Advisory DSA-4955-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso August 11, 2021 https://www.debian.org/security/faq - ------------------------------------------------------------------------- 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: [email protected]