cups/SOURCES/CVE-2025-58364.patch
2025-11-25 12:10:16 +00:00

47 lines
1.5 KiB
Diff

diff -up cups-2.2.6/cups/ipp.c.cve-2025-58364 cups-2.2.6/cups/ipp.c
--- cups-2.2.6/cups/ipp.c.cve-2025-58364 2025-10-22 10:15:10.072426099 +0200
+++ cups-2.2.6/cups/ipp.c 2025-10-22 10:20:00.117427768 +0200
@@ -3050,34 +3050,6 @@ ippReadIO(void *src, /* I - Data
*/
tag = (ipp_tag_t)buffer[0];
- if (tag == IPP_TAG_EXTENSION)
- {
- /*
- * Read 32-bit "extension" tag...
- */
-
- if ((*cb)(src, buffer, 4) < 1)
- {
- DEBUG_puts("1ippReadIO: Callback returned EOF/error");
- _cupsBufferRelease((char *)buffer);
- return (IPP_STATE_ERROR);
- }
-
- tag = (ipp_tag_t)((((((buffer[0] << 8) | buffer[1]) << 8) |
- buffer[2]) << 8) | buffer[3]);
-
- if (tag & IPP_TAG_CUPS_CONST)
- {
- /*
- * Fail if the high bit is set in the tag...
- */
-
- _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("IPP extension tag larger than 0x7FFFFFFF."), 1);
- DEBUG_printf(("1ippReadIO: bad tag 0x%x.", tag));
- _cupsBufferRelease((char *)buffer);
- return (IPP_STATE_ERROR);
- }
- }
if (tag == IPP_TAG_END)
{
@@ -3286,6 +3258,7 @@ ippReadIO(void *src, /* I - Data
if ((*cb)(src, buffer, (size_t)n) < n)
{
+ _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("Unable to read IPP attribute name."), 1);
DEBUG_puts("1ippReadIO: unable to read name.");
_cupsBufferRelease((char *)buffer);
return (IPP_STATE_ERROR);