Cast int before potentially exceeding INT_MAX

python-pillow · Sep 23, 2024 · 0f579c3 · 0f579c3
1 parent 731bcda
commit 0f579c3
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/libImaging/SgiRleDecode.c b/src/libImaging/SgiRleDecode.c
@@ -183,7 +183,7 @@ ImagingSgiRleDecode(Imaging im, ImagingCodecState state, UINT8 *buf, Py_ssize_t
        each with 4 bytes per element of tablen
        Check here before we allocate any memory
     */
-    if (c->bufsize < 8 * c->tablen) {
+    if (c->bufsize < 8 * (uint64_t)c->tablen) {
         state->errcode = IMAGING_CODEC_OVERRUN;
         return -1;
     }