25 lines
655 B
Diff
25 lines
655 B
Diff
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Description: Don't segfault if recipient header is empty
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Origin: vendor
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Bug-Debian: https://bugs.debian.org/636346
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Forwarded: no
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Author: Salvatore Bonaccorso <carnil@debian.org>
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Last-Update: 2011-08-02
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--- a/local.c
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+++ b/local.c
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@@ -106,7 +106,13 @@
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}
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p += written;
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}
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- names[--nameslen] = '\0'; /* chop trailing space */
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+ if(nameslen > 0)
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+ {
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+ names[--nameslen] = '\0'; /* chop trailing space */
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+ } else {
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+ fprintf(stderr, "Failed to parse recipient header\n");
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+ exit(EX_DATAERR);
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+ }
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} else {
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nameslen = (strlen(force_mda) + 3); // 'force_mda'
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names = (char *)xmalloc(nameslen + 1); // 'force_mda'\0
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