Commit fce38211 authored by Geoff Thorpe's avatar Geoff Thorpe
Browse files

evp: prevent underflow in base64 decoding 



This patch resolves RT ticket #2608.

Thanks to Robert Dugal for originally spotting this, and to David
Ramos for noticing that the ball had been dropped.

Signed-off-by: default avatarGeoff Thorpe <geoff@openssl.org>
parent 12e9f627

crypto/evp/encode.c

+1 −0
Original line number Diff line number Diff line
@@ -324,6 +324,7 @@ int EVP_DecodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl, 
				v=EVP_DecodeBlock(out,d,n);

				n=0;

				if (v < 0) { rv=0; goto end; }

				if (eof > v) { rv=-1; goto end; }

				ret+=(v-eof);

				}

			else