Your message dated Sat, 07 Oct 2023 09:59:41 +0000
with message-id <e1qp461-00a4gc...@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.
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--
1051552: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1051552
Debian Bug Tracking System
Contact ow...@bugs.debian.org with problems
--- Begin Message ---
Package: release.debian.org
Severity: normal
Tags: bookworm
User: release.debian....@packages.debian.org
Usertags: pu
X-Debbugs-Cc: t...@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 <t...@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 ---
