diff -Nru unzip-6.0/debian/changelog unzip-6.0/debian/changelog
--- unzip-6.0/debian/changelog	2022-10-07 13:09:47.000000000 -0400
+++ unzip-6.0/debian/changelog	2024-02-01 10:54:32.000000000 -0500
@@ -1,3 +1,11 @@
+unzip (6.0-25ubuntu1.2) focal; urgency=medium
+
+  * Properly handle Microsoft ZIP64 file (LP: #2051952)
+    - debian/patches/handle_windows_zip64.patch: ignore invalid "Total
+      number of disks" field in process.c.
+
+ -- Marc Deslauriers <marc.deslauriers@ubuntu.com>  Thu, 01 Feb 2024 10:54:32 -0500
+
 unzip (6.0-25ubuntu1.1) focal-security; urgency=medium
 
   * SECURITY UPDATE: Null pointer dereference in unzip (LP: #1957077)
diff -Nru unzip-6.0/debian/patches/handle_windows_zip64.patch unzip-6.0/debian/patches/handle_windows_zip64.patch
--- unzip-6.0/debian/patches/handle_windows_zip64.patch	1969-12-31 19:00:00.000000000 -0500
+++ unzip-6.0/debian/patches/handle_windows_zip64.patch	2024-02-01 10:54:17.000000000 -0500
@@ -0,0 +1,18 @@
+Description: Properly handle Microsoft ZIP64 file by ignoring invalid
+ "Total number of disks" field
+Origin: https://sourceforge.net/p/infozip/bugs/42/
+Bug: https://sourceforge.net/p/infozip/bugs/42/
+Bug-Ubuntu: https://bugs.launchpad.net/ubuntu/+source/unzip/+bug/2051952
+Author: Roy Tam
+
+--- a/process.c
++++ b/process.c
+@@ -1279,7 +1279,7 @@ static int find_ecrec64(__G__ searchlen)
+     fprintf(stdout,"\nnumber of disks (ECR) %u, (ECLOC64) %lu\n",
+             G.ecrec.number_this_disk, ecloc64_total_disks); fflush(stdout);
+ #endif
+-    if ((G.ecrec.number_this_disk != 0xFFFF) &&
++    if ((G.ecrec.number_this_disk != 0xFFFF) && ecloc64_total_disks &&
+         (G.ecrec.number_this_disk != ecloc64_total_disks - 1)) {
+       /* Note: For some unknown reason, the developers at PKWARE decided to
+          store the "zip64 total disks" value as a counter starting from 1,
diff -Nru unzip-6.0/debian/patches/series unzip-6.0/debian/patches/series
--- unzip-6.0/debian/patches/series	2022-10-07 13:09:35.000000000 -0400
+++ unzip-6.0/debian/patches/series	2024-02-01 10:54:17.000000000 -0500
@@ -26,3 +26,4 @@
 CVE-2021-4217.patch
 CVE-2022-0529.patch
 CVE-2022-0530.patch
+handle_windows_zip64.patch