The following SIGSEGV crash due to an invalid memory read can be observed in an ASAN build of Wireshark (current git master), by feeding a malformed file to tshark ("$ ./tshark -nVxr /path/to/file"):

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==28415==ERROR: AddressSanitizer: SEGV on unknown address 0x61b000022d84 (pc 0x7f0e1b0002a2 bp 0x7ffde25a76f0 sp 0x7ffde25a7630 T0)
    #0 0x7f0e1b0002a1 in erf_meta_read_tag wireshark/wiretap/erf.c:1242:13
    #1 0x7f0e1afff0f0 in populate_summary_info wireshark/wiretap/erf.c:1851:27
    #2 0x7f0e1aff34d6 in erf_read wireshark/wiretap/erf.c:447:7
    #3 0x7f0e1b1a746b in wtap_read wireshark/wiretap/wtap.c:1245:7
    #4 0x528196 in load_cap_file wireshark/tshark.c:3478:12
    #5 0x51e67c in main wireshark/tshark.c:2192:13

AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV wireshark/wiretap/erf.c:1242:13 in erf_meta_read_tag
==28415==ABORTING
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The crash was reported at https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=12352. Attached are three files which trigger the crash.

This bug is subject to a 90 day disclosure deadline. If 90 days elapse without a broadly available patch, then the bug report will automatically become visible to the public.
 

signal_sigsegv_7ffff7b67fa2_930_712b38a71209506d41ae107e2dca78b1582f401beba23f00.pcap 26 bytes Download

signal_sigsegv_7ffff7b67fa2_931_d6b661a05a68cf9074717b110873b5b59341ed3f8f0e871f.pcap 26 bytes Download

signal_sigsegv_7ffff7b67fa2_6274_03cfc355724d27bfdf42ff3ee785d8e9faef56a1fd044f99.cap 42 bytes Download