A stack buffer overflow in libspf2 versions below 1.2.11 when processing certain SPF macros can lead to denial of service and potentially code execution via malicious crafted SPF explanation messages.
A stack buffer overflow in libspf2 versions below 1.2.11 when processing certain SPF macros can lead to denial of service and potentially code execution via malicious crafted SPF explanation messages.
https://www.openwall.com/lists/oss-security/2021/08/11/6 https://github.com/shevek/libspf2/commit/c37b7c13c30e225183899364b9f2efdfa85552ef
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