ghostscript/SOURCES/ghostscript-cve-2020-16290.patch
2021-09-09 17:32:42 +00:00

19 lines
848 B
Diff

diff --git a/devices/gdev3852.c b/devices/gdev3852.c
index e21b403..2bee8ec 100644
--- a/devices/gdev3852.c
+++ b/devices/gdev3852.c
@@ -76,6 +76,13 @@ jetp3852_print_page(gx_device_printer *pdev, FILE *prn_stream)
{ int lnum;
int line_size = gdev_mem_bytes_per_scan_line((gx_device *)pdev);
int num_blank_lines = 0;
+
+ if (line_size > DATA_SIZE) {
+ emprintf2(pdev->memory, "invalid resolution and/or width gives line_size = %d, max. is %d\n",
+ line_size, DATA_SIZE);
+ return_error(gs_error_rangecheck);
+ }
+
for ( lnum = 0; lnum < pdev->height; lnum++ )
{ byte *end_data = data + line_size;
gdev_prn_copy_scan_lines(pdev, lnum,