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| author | Paul Gardiner <paulg.artifex@glidos.net> | 2012-09-25 16:54:04 +0100 |
|---|---|---|
| committer | Paul Gardiner <paulg.artifex@glidos.net> | 2012-09-25 16:54:04 +0100 |
| commit | 3f91c3e7d91124b92e7aa60b9916e66fe891eda4 (patch) | |
| tree | 1fc2404d0ef917501979fe6cff1fb97291b3cec3 /apps | |
| parent | 1d2617d41ac32074403c1b6e7d941f90a249d6ca (diff) | |
| download | mupdf-3f91c3e7d91124b92e7aa60b9916e66fe891eda4.tar.xz | |
Avoid possible buffer overflow in pdfapp_warn
Diffstat (limited to 'apps')
| -rw-r--r-- | apps/pdfapp.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/apps/pdfapp.c b/apps/pdfapp.c index 5cb0adea..d7934196 100644 --- a/apps/pdfapp.c +++ b/apps/pdfapp.c @@ -29,8 +29,9 @@ static void pdfapp_warn(pdfapp_t *app, const char *fmt, ...) char buf[1024]; va_list ap; va_start(ap, fmt); - vsprintf(buf, fmt, ap); + vsnprintf(buf, sizeof(buf), fmt, ap); va_end(ap); + buf[sizeof(buf)-1] = 0; winwarn(app, buf); } |