CVE-2021-42782: Buffer Overflow
First published: Thu Oct 21 2021(Updated: )
Stack buffer overflow issues were found in Opensc before version 0.22.0 in various places that could potentially crash programs using the library.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Opensc Project Opensc | <0.22.0 | |
| Fedoraproject Fedora | =33 | |
| redhat/opensc | <0.22.0 | 0.22.0 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=2016448
- https://github.com/OpenSC/OpenSC/commit/1252aca9
- https://github.com/OpenSC/OpenSC/commit/456ac566
- https://github.com/OpenSC/OpenSC/commit/7114fb71
- https://github.com/OpenSC/OpenSC/commit/78cdab94
- https://github.com/OpenSC/OpenSC/commit/ae1cf0be
- https://lists.debian.org/debian-lts-announce/2023/06/msg00025.html
- https://security.gentoo.org/glsa/202209-03
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=27719
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28855
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29912
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30800
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35766
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=36200
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2018908
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2235485
Frequently Asked Questions
What is CVE-2021-42782?
CVE-2021-42782 is a vulnerability found in Opensc before version 0.22.0 that can cause stack buffer overflow issues.
How severe is CVE-2021-42782?
The severity of CVE-2021-42782 is 5.3, which is considered medium.
Which software versions are affected by CVE-2021-42782?
Opensc versions before 0.22.0, Fedora version 33, and Red Hat Opensc package version before 0.22.0 are affected by CVE-2021-42782.
How can CVE-2021-42782 potentially impact programs using Opensc?
CVE-2021-42782 can potentially crash programs using the Opensc library due to stack buffer overflow issues.
Where can I find more information about CVE-2021-42782?
You can find more information about CVE-2021-42782 on the Red Hat Bugzilla and the corresponding GitHub commits.
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