In theory, any Let's Encrypt certificate should cause this crash. The serialised certificate transparency of the certificate at redwax.eu is 1577 bytes, three times higher than the 512 byte limit that triggers the crash.
CT Precertificate SCTs: Signed Certificate Timestamp: Version : v1(0) Log ID : 5C:DC:43:92:FE:E6:AB:45:44:B1:5E:9A:D4:56:E6:10: 37:FB:D5:FA:47:DC:A1:73:94:B2:5E:E6:F6:C7:0E:CA Timestamp : Jan 11 03:13:53.345 2021 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:E3:F3:7C:A3:71:D1:57:DD:76:1E:01: AA:61:7D:E2:39:6B:0F:2B:93:B3:3A:B2:90:8F:EE:D5: 04:92:12:BD:8B:02:21:00:D0:8C:15:42:F5:E7:6C:D0: FC:B4:25:E2:57:5E:C1:EB:F8:7A:4A:06:5B:AD:4C:6E: B0:25:96:45:DF:A9:97:41 Signed Certificate Timestamp: Version : v1(0) Log ID : F6:5C:94:2F:D1:77:30:22:14:54:18:08:30:94:56:8E: E3:4D:13:19:33:BF:DF:0C:2F:20:0B:CC:4E:F1:64:E3 Timestamp : Jan 11 03:13:53.322 2021 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:3E:CC:F8:39:7E:27:5F:20:D7:77:DC:75: 9D:D2:F2:C8:09:F4:86:1C:26:FF:76:DF:21:A0:BD:90: 8A:26:FA:59:02:20:75:69:90:93:B2:F4:76:BC:1A:D3: 63:B7:1C:D0:72:56:13:97:7D:37:B3:8B:E2:6E:8C:71: 1A:72:4D:7E:86:F4 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1912389 Title: [Patch] SIGSEGV: crash when certificate contains extension longer than 512 bytes To manage notifications about this bug go to: https://bugs.launchpad.net/netsnmp/+bug/1912389/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs