From c43538fae977484e75058eeb84c69f7decb2b0b0 Mon Sep 17 00:00:00 2001 From: Leah Neukirchen Date: Thu, 12 Nov 2020 15:55:40 +0100 Subject: rfc2045: fix overread in blaze822_mime_parameter This triggered an invalid read in strchr on 'Content-Type: text/html; ' --- rfc2045.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/rfc2045.c b/rfc2045.c index 2e29175..f86d5e2 100644 --- a/rfc2045.c +++ b/rfc2045.c @@ -86,6 +86,8 @@ blaze822_mime_parameter(char *s, char *name, char **starto, char **stopo) while (*s) { while (iswsp(*s)) s++; + if (!*s) + return 0; if (strncasecmp(s, name, namelen) == 0 && s[namelen] == '=') { s += namelen + 1; break; -- cgit 1.4.1