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dhcp-CVE-2022-2929.patch
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File dhcp-CVE-2022-2929.patch of Package dhcp
--- common/options.c.orig +++ common/options.c @@ -454,16 +454,16 @@ int fqdn_universe_decode (struct option_ while (s < &bp -> data[0] + length + 2) { len = *s; if (len > 63) { - log_info ("fancy bits in fqdn option"); - return 0; + log_info ("label length exceeds 63 in fqdn option"); + goto bad; } if (len == 0) { terminated = 1; break; } if (s + len > &bp -> data [0] + length + 3) { - log_info ("fqdn tag longer than buffer"); - return 0; + log_info ("fqdn label longer than buffer"); + goto bad; } if (first_len == 0) {
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