diff options
Diffstat (limited to 'source')
| -rw-r--r-- | source/pdf/pdf-xref.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/source/pdf/pdf-xref.c b/source/pdf/pdf-xref.c index 392adf33..4997ebe5 100644 --- a/source/pdf/pdf-xref.c +++ b/source/pdf/pdf-xref.c @@ -590,7 +590,7 @@ pdf_load_version(fz_context *ctx, pdf_document *doc) fz_seek(ctx, doc->file, 0, SEEK_SET); fz_read_line(ctx, doc->file, buf, sizeof buf); - if (memcmp(buf, "%PDF-", 5) != 0) + if (strlen(buf) < 5 || memcmp(buf, "%PDF-", 5) != 0) fz_throw(ctx, FZ_ERROR_GENERIC, "cannot recognize version marker"); doc->version = 10 * (fz_atof(buf+5) + 0.05f); |