[gnutls-devel] libtasn1 | Fix endless loop in _asn1_check_identifier() (!23)

[Development of GNU's TLS library]

Tim Rühsen commented on a discussion on tests/Makefile.am: https://gitlab.com/gnutls/libtasn1/merge_requests/23#note_193765890

>  	strict-der Test_choice_ocsp decoding decoding-invalid-x509 \
>  	ocsp-basic-response octet-string coding-long-oid object-id-decoding \
>  	spc_pe_image_data decoding-invalid-pkcs7 coding setof \
> -	CVE-2018-1000654 parser.sh
> +	CVE-2018-1000654 parser.sh endless_loop

Basically the endless loop happens on a node with up,down,right(,left) fields being NULL. That is IMO a tree with just single node. Should we call it 'single_node' then ?

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