Your message dated Sat, 06 Sep 2025 12:14:50 +0100
with message-id
<ee4c0876608d99eb3f8b333b556fbd92e7a652eb.ca...@adam-barratt.org.uk>
and subject line Closing p-u requests for fixes included in 12.12
has caused the Debian Bug report #1109943,
regarding bookworm-pu: package djvulibre/3.5.28-2.2~deb12u1
to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
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--
1109943: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1109943
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: release.debian.org
Severity: normal
Tags: bookworm
X-Debbugs-Cc: [email protected], [email protected]
Control: affects -1 + src:djvulibre
User: [email protected]
Usertags: pu
* CVE-2021-46310: Divide by zero in IW44Image::Map::image()
(Closes: #1052668)
* CVE-2021-46312: Divide by zero in IWBitmap::Encode::init()
(Closes: #1052669)
The debdiff is against the DSA-5960-1 version currently in pu.
diffstat for djvulibre-3.5.28 djvulibre-3.5.28
changelog | 18 ++++++++++++++----
patches/CVE-2021-46310.patch | 20 ++++++++++++++++++++
patches/CVE-2021-46312.patch | 20 ++++++++++++++++++++
patches/series | 2 ++
4 files changed, 56 insertions(+), 4 deletions(-)
diff -Nru djvulibre-3.5.28/debian/changelog djvulibre-3.5.28/debian/changelog
--- djvulibre-3.5.28/debian/changelog 2025-07-04 22:33:39.000000000 +0300
+++ djvulibre-3.5.28/debian/changelog 2025-07-21 13:42:26.000000000 +0300
@@ -1,9 +1,19 @@
-djvulibre (3.5.28-2.1~deb12u1) bookworm-security; urgency=high
+djvulibre (3.5.28-2.2~deb12u1) bookworm; urgency=medium
- * Non-maintainer upload by the Security Team.
- * Rebuild for bookworm-security
+ * Non-maintainer upload.
+ * Rebuild for bookworm.
- -- Salvatore Bonaccorso <[email protected]> Fri, 04 Jul 2025 21:33:39 +0200
+ -- Adrian Bunk <[email protected]> Mon, 21 Jul 2025 13:42:26 +0300
+
+djvulibre (3.5.28-2.2) unstable; urgency=medium
+
+ * Non-maintainer upload.
+ * CVE-2021-46310: Divide by zero in IW44Image::Map::image()
+ (Closes: #1052668)
+ * CVE-2021-46312: Divide by zero in IWBitmap::Encode::init()
+ (Closes: #1052669)
+
+ -- Adrian Bunk <[email protected]> Fri, 18 Jul 2025 20:57:51 +0300
djvulibre (3.5.28-2.1) unstable; urgency=high
diff -Nru djvulibre-3.5.28/debian/patches/CVE-2021-46310.patch
djvulibre-3.5.28/debian/patches/CVE-2021-46310.patch
--- djvulibre-3.5.28/debian/patches/CVE-2021-46310.patch 1970-01-01
02:00:00.000000000 +0200
+++ djvulibre-3.5.28/debian/patches/CVE-2021-46310.patch 2025-07-18
20:57:51.000000000 +0300
@@ -0,0 +1,20 @@
+Description: CVE-2021-46310: Divide by zero in IW44Image::Map::image()
+Bug-Debian: https://bugs.debian.org/1052668
+Origin: upstream
+Bug: https://sourceforge.net/p/djvu/bugs/345/
+
+--- djvulibre-3.5.28.orig/libdjvu/IW44Image.cpp
++++ djvulibre-3.5.28/libdjvu/IW44Image.cpp
+@@ -676,10 +676,10 @@ IW44Image::Map::image(signed char *img8,
+ // Allocate reconstruction buffer
+ short *data16;
+ size_t sz = bw * bh;
+- if (sz / (size_t)bw != (size_t)bh) // multiplication overflow
+- G_THROW("IW44Image: image size exceeds maximum (corrupted file?)");
+ if (sz == 0)
+ G_THROW("IW44Image: zero size image (corrupted file?)");
++ if (sz / (size_t)bw != (size_t)bh) // multiplication overflow
++ G_THROW("IW44Image: image size exceeds maximum (corrupted file?)");
+ GPBuffer<short> gdata16(data16,sz);
+ if (data16 == NULL)
+ G_THROW("IW44Image: unable to allocate image data");
diff -Nru djvulibre-3.5.28/debian/patches/CVE-2021-46312.patch
djvulibre-3.5.28/debian/patches/CVE-2021-46312.patch
--- djvulibre-3.5.28/debian/patches/CVE-2021-46312.patch 1970-01-01
02:00:00.000000000 +0200
+++ djvulibre-3.5.28/debian/patches/CVE-2021-46312.patch 2025-07-18
20:57:51.000000000 +0300
@@ -0,0 +1,20 @@
+Description: CVE-2021-46312: Divide by zero in IWBitmap::Encode::init()
+Bug-Debian: https://bugs.debian.org/1052669
+Bug: https://sourceforge.net/p/djvu/bugs/344/
+
+--- djvulibre-3.5.28.orig/libdjvu/IW44EncodeCodec.cpp
++++ djvulibre-3.5.28/libdjvu/IW44EncodeCodec.cpp
+@@ -1424,7 +1424,12 @@ IWBitmap::Encode::init(const GBitmap &bm
+ int h = bm.rows();
+ int g = bm.get_grays()-1;
+ signed char *buffer;
+- GPBuffer<signed char> gbuffer(buffer,w*h);
++ size_t sz = w * h;
++ if (sz == 0 || g <= 0) // w or h is zero or g is not positive
++ G_THROW("IWBitmap: zero size image (corrupted file?)");
++ if (sz / (size_t)w != (size_t)h) // multiplication overflow
++ G_THROW("IWBitmap: image size exceeds maximum (corrupted file?)");
++ GPBuffer<signed char> gbuffer(buffer,sz);
+ // Prepare gray level conversion table
+ signed char bconv[256];
+ for (i=0; i<256; i++)
diff -Nru djvulibre-3.5.28/debian/patches/series
djvulibre-3.5.28/debian/patches/series
--- djvulibre-3.5.28/debian/patches/series 2025-07-04 22:33:32.000000000
+0300
+++ djvulibre-3.5.28/debian/patches/series 2025-07-18 20:57:51.000000000
+0300
@@ -6,3 +6,5 @@
0006-djvulibre-fedora-Patch11-djvulibre-3.5.27-djvuport-s.patch
0007-djvulibre-fedora-Patch12-djvulibre-3.5.27-unsigned-s.patch
0008-Fix-potential-buffer-overflow-in-MMRDecoder.patch
+CVE-2021-46310.patch
+CVE-2021-46312.patch
--- End Message ---
--- Begin Message ---
Package: release.debian.org
Version: 12.12
Hi,
Each of the updates referenced by these requests was included in
today's 12.12 point release for bookworm.
Regards,
Adam
--- End Message ---
