Thomas Perale 894b2214f8 package/unzip: patch CVE-2021-4217
The patch is provided thanks to the Ubuntu community.

- CVE-2021-4217:
    A flaw was found in unzip. The vulnerability occurs due to improper
    handling of Unicode strings, which can lead to a null pointer
    dereference. This flaw allows an attacker to input a specially crafted
    zip file, leading to a crash or code execution.

For more information, see:
 - https://www.cve.org/CVERecord?id=CVE-2021-4217
 - https://launchpadlibrarian.net/580782282/0001-Fix-null-pointer-dereference-and-use-of-uninitialized-data.patch
 - https://bugs.launchpad.net/ubuntu/+source/unzip/+bug/1957077

Signed-off-by: Thomas Perale <thomas.perale@mind.be>
[Peter: correct _IGNORE_CVES entry]
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
(cherry picked from commit 4e73a15a7b)
Signed-off-by: Thomas Perale <thomas.perale@mind.be>
2026-06-11 10:33:12 +02:00
2026-06-04 12:01:21 +02:00
2026-06-04 11:45:20 +02:00
2026-04-10 12:20:23 +02:00
2025-01-15 21:30:31 +01:00
2026-05-20 11:56:06 +02:00
2026-06-04 12:01:21 +02:00
2026-01-15 09:36:08 +01:00
2026-04-03 12:21:44 +02:00

Buildroot is a simple, efficient and easy-to-use tool to generate embedded
Linux systems through cross-compilation.

The documentation can be found in docs/manual. You can generate a text
document with 'make manual-text' and read output/docs/manual/manual.text.
Online documentation can be found at https://buildroot.org/docs.html

To build and use the buildroot stuff, do the following:

1) run 'make menuconfig'
2) select the target architecture and the packages you wish to compile
3) run 'make'
4) wait while it compiles
5) find the kernel, bootloader, root filesystem, etc. in output/images

You do not need to be root to build or run buildroot.  Have fun!

Buildroot comes with a basic configuration for a number of boards. Run
'make list-defconfigs' to view the list of provided configurations.

Please feed suggestions, bug reports, insults, and bribes back to the
buildroot mailing list: buildroot@buildroot.org
You can also find us on #buildroot on OFTC IRC.

If you would like to contribute patches, please read
https://buildroot.org/manual.html#submitting-patches
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