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Bug#1051552: marked as done (bookworm-pu: package timg/1.4.5-1+deb12u1)

Your message dated Sat, 07 Oct 2023 09:59:41 +0000
with message-id <E1qp461-00A4GC-Tz@coccia.debian.org>
and subject line Released with 12.2
has caused the Debian Bug report #1051552,
regarding bookworm-pu: package timg/1.4.5-1+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.

(NB: If you are a system administrator and have no idea what this
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-- 
1051552: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1051552
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: release.debian.org
Severity: normal
Tags: bookworm
User: release.debian.org@packages.debian.org
Usertags: pu
X-Debbugs-Cc: timg@packages.debian.org
Control: affects -1 + src:timg


[ Reason ]

Fixing CVE-2023-40968 (buffer overflow vulnerability)


[ Risks ]
Patch is trivial, taken from uptream; local testing done.

[ Checklist ]
  [x] *all* changes are documented in the d/changelog
  [x] I reviewed all changes and I approve them
  [x] attach debdiff against the package in (old)stable
  [x] the issue is verified as fixed in unstable

diff -Nru timg-1.4.5/debian/changelog timg-1.4.5/debian/changelog
--- timg-1.4.5/debian/changelog	2022-11-30 20:09:18.000000000 +0100
+++ timg-1.4.5/debian/changelog	2023-09-09 19:07:01.000000000 +0200
@@ -1,3 +1,9 @@
+timg (1.4.5-1+deb12u1) bookworm; urgency=medium
+
+  * Cherry-pick upstream fix for CVE-2023-40968 (Closes: #1051231)
+
+ -- Tobias Frost <tobi@debian.org>  Sat, 09 Sep 2023 19:07:01 +0200
+
 timg (1.4.5-1) unstable; urgency=medium
 
   [ Tobias Frost ]
diff -Nru timg-1.4.5/debian/patches/CVE-2023-40968.patch timg-1.4.5/debian/patches/CVE-2023-40968.patch
--- timg-1.4.5/debian/patches/CVE-2023-40968.patch	1970-01-01 01:00:00.000000000 +0100
+++ timg-1.4.5/debian/patches/CVE-2023-40968.patch	2023-09-09 19:07:01.000000000 +0200
@@ -0,0 +1,23 @@
+Description: CVE-2023-40968 buffer overflow vulnerability
+Origin: https://github.com/hzeller/timg/commit/2e9414e668144bbe0afc074dac17b74ef4acfdcf 
+Bug: https://github.com/hzeller/timg/issues/115
+Bug-Debian: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1051231
+--- a/src/unicode-block-canvas.cc
++++ b/src/unicode-block-canvas.cc
+@@ -417,13 +417,14 @@
+                                + SCREEN_END_OF_LINE_LEN);  // Finishing a line.
+ 
+     // Depending on even/odd situation, we might need one extra row.
+-    const size_t new_backing = width * (height + 1) * sizeof(rgba_t);
++    // For quarter, we have one extra possible pixel wider.
++    const size_t new_backing = (width + 1) * (height + 1) * sizeof(rgba_t);
+     if (new_backing > backing_buffer_size_) {
+         backing_buffer_      = (rgba_t *)realloc(backing_buffer_, new_backing);
+         backing_buffer_size_ = new_backing;
+     }
+ 
+-    const size_t new_empty = width * sizeof(rgba_t);
++    const size_t new_empty = (width + 1) * sizeof(rgba_t);
+     if (new_empty > empty_line_size_) {
+         empty_line_      = (rgba_t *)realloc(empty_line_, new_empty);
+         empty_line_size_ = new_empty;
diff -Nru timg-1.4.5/debian/patches/series timg-1.4.5/debian/patches/series
--- timg-1.4.5/debian/patches/series	2022-11-30 19:52:10.000000000 +0100
+++ timg-1.4.5/debian/patches/series	2023-09-09 19:07:01.000000000 +0200
@@ -1 +1,2 @@
 use-system-qui.patch
+CVE-2023-40968.patch

--- End Message ---
--- Begin Message --- 
Version: 12.2

The upload requested in this bug has been released as part of 12.2.

--- End Message ---
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