diffstat for gimp-3.0.4 gimp-3.0.4 changelog | 11 + patches/plug-ins-Fix-ZDI-CAN-27684.patch | 39 ++++ patches/plug-ins-Fix-ZDI-CAN-27836.patch | 94 ++++++++++ patches/plug-ins-fix-ZDI-CAN-27878.patch | 62 +++++++ patches/plug-ins-fix-dicom-plug-in-ZDI-CAN-27863.patch | 148 +++++++++++++++++ patches/series | 4 6 files changed, 358 insertions(+) diff -Nru gimp-3.0.4/debian/changelog gimp-3.0.4/debian/changelog --- gimp-3.0.4/debian/changelog 2025-09-08 15:31:58.000000000 +0200 +++ gimp-3.0.4/debian/changelog 2025-09-29 20:57:32.000000000 +0200 @@ -1,3 +1,14 @@ +gimp (3.0.4-6.1) unstable; urgency=medium + + * Non-maintainer upload. + * plug-ins: Fix ZDI-CAN-27684 (CVE-2025-10920) (Closes: #1116458) + * plug-ins: fix dicom plug-in ZDI-CAN-27863 (CVE-2025-10922) + (Closes: #1116459) + * plug-ins: fix ZDI-CAN-27878 (CVE-2025-10923) (Closes: #1116460) + * plug-ins: Fix ZDI-CAN-27836 (CVE-2025-10924) (Closes: #1116461) + + -- Salvatore Bonaccorso Mon, 29 Sep 2025 20:57:32 +0200 + gimp (3.0.4-6) unstable; urgency=medium * Team upload diff -Nru gimp-3.0.4/debian/patches/plug-ins-Fix-ZDI-CAN-27684.patch gimp-3.0.4/debian/patches/plug-ins-Fix-ZDI-CAN-27684.patch --- gimp-3.0.4/debian/patches/plug-ins-Fix-ZDI-CAN-27684.patch 1970-01-01 01:00:00.000000000 +0100 +++ gimp-3.0.4/debian/patches/plug-ins-Fix-ZDI-CAN-27684.patch 2025-09-29 20:49:40.000000000 +0200 @@ -0,0 +1,39 @@ +From: Alx Sa +Date: Wed, 3 Sep 2025 13:41:10 +0000 +Subject: plug-ins: Fix ZDI-CAN-27684 +Origin: https://gitlab.gnome.org/GNOME/gimp/-/commit/5f4329d324b0db7a857918941ef7e1d27f3d3992 +Bug-Debian: https://bugs.debian.org/1116458 +Bug: https://gitlab.gnome.org/GNOME/gimp/-/issues/14818 +Bug-Debian-Security: https://security-tracker.debian.org/tracker/CVE-2025-10920 + +Prevent overflow attack by checking if +output >= max, not just output > max. +--- + plug-ins/file-icns/file-icns-load.c | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +diff --git a/plug-ins/file-icns/file-icns-load.c b/plug-ins/file-icns/file-icns-load.c +index c8f16fef606b..f2298c056e16 100644 +--- a/plug-ins/file-icns/file-icns-load.c ++++ b/plug-ins/file-icns/file-icns-load.c +@@ -323,7 +323,7 @@ icns_decompress (guchar *dest, + + for (run -= 125; run > 0; run--) + { +- if (out > max) ++ if (out >= max) + { + g_message ("Corrupt icon? compressed run overflows output size."); + return FALSE; +@@ -341,7 +341,7 @@ icns_decompress (guchar *dest, + g_message ("Corrupt icon: uncompressed run overflows input size."); + return FALSE; + } +- if (out > max) ++ if (out >= max) + { + g_message ("Corrupt icon: uncompressed run overflows output size."); + return FALSE; +-- +2.51.0 + diff -Nru gimp-3.0.4/debian/patches/plug-ins-Fix-ZDI-CAN-27836.patch gimp-3.0.4/debian/patches/plug-ins-Fix-ZDI-CAN-27836.patch --- gimp-3.0.4/debian/patches/plug-ins-Fix-ZDI-CAN-27836.patch 1970-01-01 01:00:00.000000000 +0100 +++ gimp-3.0.4/debian/patches/plug-ins-Fix-ZDI-CAN-27836.patch 2025-09-29 20:55:49.000000000 +0200 @@ -0,0 +1,94 @@ +From: Alx Sa +Date: Wed, 3 Sep 2025 22:10:34 +0000 +Subject: plug-ins: Fix ZDI-CAN-27836 +Origin: https://gitlab.gnome.org/GNOME/gimp/-/commit/53b18653bca9404efeab953e75960b1cf7dedbed +Bug-Debian: https://bugs.debian.org/1116461 +Bug: https://gitlab.gnome.org/GNOME/gimp/-/issues/14813 +Bug-Debian-Security: https://security-tracker.debian.org/tracker/CVE-2025-10924 + +ZDI-CAN-27836: GIMP FF File Parsing Integer Overflow +Remote Code Execution Vulnerability + +This patch increases the row_size data type to gsize and checks if it +would overflow based on the width given. It also makes sure the image +size does not exceed GIMP's image size limits. +--- + plug-ins/common/file-farbfeld.c | 31 ++++++++++++++++++++++++------- + 1 file changed, 24 insertions(+), 7 deletions(-) + +diff --git a/plug-ins/common/file-farbfeld.c b/plug-ins/common/file-farbfeld.c +index f610fa439ae8..921e4e35cc22 100644 +--- a/plug-ins/common/file-farbfeld.c ++++ b/plug-ins/common/file-farbfeld.c +@@ -261,7 +261,7 @@ load_image (GFile *file, + guchar magic_number[8]; + guint32 width; + guint32 height; +- guint32 row_size; ++ gsize row_size; + const Babl *format = babl_format ("R'G'B'A u16"); + FILE *fp; + +@@ -282,13 +282,24 @@ load_image (GFile *file, + { + g_set_error (error, G_FILE_ERROR, g_file_error_from_errno (errno), + _("Failed to read Farbfeld header")); ++ fclose (fp); + return NULL; + } + + /* Header information is stored in Big-Endian format */ + width = GUINT32_FROM_BE (width); + height = GUINT32_FROM_BE (height); +- row_size = width * sizeof (guint16) * 4; ++ ++ if (width > GIMP_MAX_IMAGE_SIZE || ++ height > GIMP_MAX_IMAGE_SIZE || ++ ! g_size_checked_mul (&row_size, width, (sizeof (guint16) * 4))) ++ { ++ g_set_error (error, GIMP_PLUG_IN_ERROR, 0, ++ _("Image dimensions too large: width %d x height %d"), ++ width, height); ++ fclose (fp); ++ return NULL; ++ } + + image = gimp_image_new_with_precision (width, height, GIMP_RGB, + GIMP_PRECISION_U16_NON_LINEAR); +@@ -298,12 +309,19 @@ load_image (GFile *file, + gimp_image_get_default_new_layer_mode (image)); + gimp_image_insert_layer (image, layer, NULL, 0); + +- buffer = gimp_drawable_get_buffer (GIMP_DRAWABLE (layer)); ++ pixels = g_try_malloc (row_size); ++ if (pixels == NULL) ++ { ++ g_set_error (error, GIMP_PLUG_IN_ERROR, 0, ++ _("There was not enough memory to complete the " ++ "operation.")); ++ fclose (fp); ++ return NULL; ++ } + ++ buffer = gimp_drawable_get_buffer (GIMP_DRAWABLE (layer)); + for (gint i = 0; i < height; i++) + { +- pixels = g_malloc (row_size); +- + if (! fread (pixels, row_size, 1, fp)) + { + g_set_error (error, G_FILE_ERROR, g_file_error_from_errno (errno), +@@ -318,9 +336,8 @@ load_image (GFile *file, + gegl_buffer_set (buffer, + GEGL_RECTANGLE (0, i, width, 1), 0, + format, pixels, GEGL_AUTO_ROWSTRIDE); +- +- g_free (pixels); + } ++ g_free (pixels); + + fclose (fp); + g_object_unref (buffer); +-- +2.51.0 + diff -Nru gimp-3.0.4/debian/patches/plug-ins-fix-ZDI-CAN-27878.patch gimp-3.0.4/debian/patches/plug-ins-fix-ZDI-CAN-27878.patch --- gimp-3.0.4/debian/patches/plug-ins-fix-ZDI-CAN-27878.patch 1970-01-01 01:00:00.000000000 +0100 +++ gimp-3.0.4/debian/patches/plug-ins-fix-ZDI-CAN-27878.patch 2025-09-29 20:53:58.000000000 +0200 @@ -0,0 +1,62 @@ +From: Jacob Boerema +Date: Wed, 3 Sep 2025 15:25:55 -0400 +Subject: plug-ins: fix ZDI-CAN-27878 +Origin: https://gitlab.gnome.org/GNOME/gimp/-/commit/fb31ddf32298bb2f0f09b3ccc53464b8693a050e +Bug-Debian: https://bugs.debian.org/1116460 +Bug: https://gitlab.gnome.org/GNOME/gimp/-/issues/14812 +Bug-Debian-Security: https://security-tracker.debian.org/tracker/CVE-2025-10923 + +GIMP WBMP File Parsing Integer Overflow Remote Code Execution +Vulnerability + +We recently fixed one instance of not upgrading the size, but forgot +the other. Fix that here by casting to (gsize). While we're at it, +also add a warning, when reading more data fails unexpectedly. + +Closes #14812 +--- + plug-ins/common/file-wbmp.c | 8 ++++++-- + 1 file changed, 6 insertions(+), 2 deletions(-) + +diff --git a/plug-ins/common/file-wbmp.c b/plug-ins/common/file-wbmp.c +index a19b0f9728f9..f37450118f96 100644 +--- a/plug-ins/common/file-wbmp.c ++++ b/plug-ins/common/file-wbmp.c +@@ -456,6 +456,7 @@ read_image (FILE *fd, + GeglBuffer *buffer; + guchar *dest, *temp; + gint i, cur_progress, max_progress; ++ size_t n_read; + + /* Make a new image in GIMP */ + if ((width < 0) || (width > GIMP_MAX_IMAGE_SIZE)) +@@ -480,14 +481,14 @@ read_image (FILE *fd, + + gimp_image_insert_layer (image, layer, NULL, 0); + +- dest = g_malloc0 (width * height); ++ dest = g_malloc0 ((gsize) width * height); + + ypos = 0; + + cur_progress = 0; + max_progress = height; + +- while (ReadOK (fd, &v, 1)) ++ while ((n_read = ReadOK (fd, &v, 1)) != 0) + { + for (i = 1; (i <= 8) && (xpos < width); i++, xpos++) + { +@@ -512,6 +513,9 @@ read_image (FILE *fd, + break; + } + ++ if (n_read == 0) ++ g_warning (_("Read failure at position %u. Possibly corrupt image."), ypos * width + xpos); ++ + buffer = gimp_drawable_get_buffer (GIMP_DRAWABLE (layer)); + + gegl_buffer_set (buffer, GEGL_RECTANGLE (0, 0, width, height), 0, NULL, dest, +-- +2.51.0 + diff -Nru gimp-3.0.4/debian/patches/plug-ins-fix-dicom-plug-in-ZDI-CAN-27863.patch gimp-3.0.4/debian/patches/plug-ins-fix-dicom-plug-in-ZDI-CAN-27863.patch --- gimp-3.0.4/debian/patches/plug-ins-fix-dicom-plug-in-ZDI-CAN-27863.patch 1970-01-01 01:00:00.000000000 +0100 +++ gimp-3.0.4/debian/patches/plug-ins-fix-dicom-plug-in-ZDI-CAN-27863.patch 2025-09-29 20:51:40.000000000 +0200 @@ -0,0 +1,148 @@ +From: Jacob Boerema +Date: Wed, 3 Sep 2025 13:31:45 -0400 +Subject: plug-ins: fix dicom plug-in ZDI-CAN-27863 +Origin: https://gitlab.gnome.org/GNOME/gimp/-/commit/0f309f9a8d82f43fa01383bc5a5c41d28727d9e3 +Bug-Debian: https://bugs.debian.org/1116459 +Bug: https://gitlab.gnome.org/GNOME/gimp/-/issues/14811 +Bug-Debian-Security: https://security-tracker.debian.org/tracker/CVE-2025-10922 + +GIMP DCM File Parsing Heap-based Buffer Overflow Remote Code Execution +Vulnerability + +This adds more safety checks and sets actual GError's instead of just +calling gimp_quit. + +Closes #14811 +--- + plug-ins/common/file-dicom.c | 65 ++++++++++++++++++++++++++++-------- + 1 file changed, 51 insertions(+), 14 deletions(-) + +diff --git a/plug-ins/common/file-dicom.c b/plug-ins/common/file-dicom.c +index 31039050f27a..a11a13ef4058 100644 +--- a/plug-ins/common/file-dicom.c ++++ b/plug-ins/common/file-dicom.c +@@ -344,6 +344,7 @@ load_image (GFile *file, + gint bits_stored = 0; + gint high_bit = 0; + guint8 *pix_buf = NULL; ++ guint64 pixbuf_size = 0; + gboolean is_signed = FALSE; + guint8 in_sequence = 0; + gboolean implicit_encoding = FALSE; +@@ -399,6 +400,7 @@ load_image (GFile *file, + guint16 ctx_us; + guint8 *value; + guint32 tag; ++ size_t actual_read; + + if (fread (&group_word, 1, 2, dicom) == 0) + break; +@@ -503,15 +505,24 @@ load_image (GFile *file, + + if (element_length >= (G_MAXUINT - 6)) + { +- g_message ("'%s' seems to have an incorrect value field length.", +- gimp_file_get_utf8_name (file)); +- gimp_quit (); ++ g_set_error (error, GIMP_PLUG_IN_ERROR, 0, ++ _("'%s' has an an incorrect value for field size. Possibly corrupt image."), ++ gimp_file_get_utf8_name (file)); ++ g_free (dicominfo); ++ fclose (dicom); ++ return NULL; + } + + /* Read contents. Allocate a bit more to make room for casts to int + below. */ + value = g_new0 (guint8, element_length + 4); +- fread (value, 1, element_length, dicom); ++ actual_read = fread (value, 1, element_length, dicom); ++ if (actual_read < element_length) ++ { ++ g_warning ("Missing data: needed %u bytes, got %u. Possibly corrupt image.", ++ element_length, (guint32) actual_read); ++ element_length = actual_read; ++ } + + /* ignore everything inside of a sequence */ + if (in_sequence) +@@ -524,7 +535,7 @@ load_image (GFile *file, + if (big_endian && group_word != 0x0002) + ctx_us = GUINT16_SWAP_LE_BE (ctx_us); + +- g_debug ("group: %04x, element: %04x, length: %d", ++ g_debug ("group: %04x, element: %04x, length: %u", + group_word, element_word, element_length); + g_debug ("Value: %s", (char*)value); + /* Recognize some critical tags */ +@@ -658,6 +669,7 @@ load_image (GFile *file, + if (group_word == 0x7fe0 && element_word == 0x0010) + { + pix_buf = value; ++ pixbuf_size = element_length; + } + else + { +@@ -688,25 +700,50 @@ load_image (GFile *file, + } + } + ++ g_debug ("Bpp: %d, wxh: %u x %u, spp: %d\n", bpp, width, height, samples_per_pixel); ++ + if ((bpp != 8) && (bpp != 16)) + { +- g_message ("'%s' has a bpp of %d which GIMP cannot handle.", +- gimp_file_get_utf8_name (file), bpp); +- gimp_quit (); ++ g_set_error (error, GIMP_PLUG_IN_ERROR, 0, ++ _("'%s' has a bpp of %d which GIMP cannot handle."), ++ gimp_file_get_utf8_name (file), bpp); ++ g_free (pix_buf); ++ g_free (dicominfo); ++ fclose (dicom); ++ return NULL; + } + + if ((width > GIMP_MAX_IMAGE_SIZE) || (height > GIMP_MAX_IMAGE_SIZE)) + { +- g_message ("'%s' has a larger image size (%d x %d) than GIMP can handle.", +- gimp_file_get_utf8_name (file), width, height); +- gimp_quit (); ++ g_set_error (error, GIMP_PLUG_IN_ERROR, 0, ++ _("'%s' has a larger image size (%d x %d) than GIMP can handle."), ++ gimp_file_get_utf8_name (file), width, height); ++ g_free (pix_buf); ++ g_free (dicominfo); ++ fclose (dicom); ++ return NULL; + } + + if (samples_per_pixel > 3) + { +- g_message ("'%s' has samples per pixel of %d which GIMP cannot handle.", +- gimp_file_get_utf8_name (file), samples_per_pixel); +- gimp_quit (); ++ g_set_error (error, GIMP_PLUG_IN_ERROR, 0, ++ _("'%s' has samples per pixel of %d which GIMP cannot handle."), ++ gimp_file_get_utf8_name (file), samples_per_pixel); ++ g_free (pix_buf); ++ g_free (dicominfo); ++ fclose (dicom); ++ return NULL; ++ } ++ ++ if ((guint64) width * height * (bpp >> 3) * samples_per_pixel > pixbuf_size) ++ { ++ g_set_error (error, GIMP_PLUG_IN_ERROR, 0, ++ _("'%s' has not enough pixel data. Possibly corrupt image."), ++ gimp_file_get_utf8_name (file)); ++ g_free (pix_buf); ++ g_free (dicominfo); ++ fclose (dicom); ++ return NULL; + } + + dicominfo->width = width; +-- +2.51.0 + diff -Nru gimp-3.0.4/debian/patches/series gimp-3.0.4/debian/patches/series --- gimp-3.0.4/debian/patches/series 2025-09-08 15:31:58.000000000 +0200 +++ gimp-3.0.4/debian/patches/series 2025-09-29 20:56:26.000000000 +0200 @@ -1,2 +1,6 @@ plug-ins-dds-fix-12790-for-32-bit.patch app-Port-from-appstream-glib-to-appstream.patch +plug-ins-Fix-ZDI-CAN-27684.patch +plug-ins-fix-dicom-plug-in-ZDI-CAN-27863.patch +plug-ins-fix-ZDI-CAN-27878.patch +plug-ins-Fix-ZDI-CAN-27836.patch