CVE-2021-28211
First published: Fri Jun 11 2021(Updated: )
A heap overflow in LzmaUefiDecompressGetInfo function in EDK II.
Credit: infosec@edk2.groups.io infosec@edk2.groups.io
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Tianocore EDK2 | =202008 | |
| debian/edk2 | 2020.11-2+deb11u2 2022.11-6+deb12u1 2024.11-2 |
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Reference Links
- https://bugzilla.tianocore.org/show_bug.cgi?id=1816
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28211
- https://nvd.nist.gov/vuln/detail/CVE-2021-28211
- https://launchpad.net/bugs/cve/CVE-2021-28211
- https://security-tracker.debian.org/tracker/CVE-2021-28211
- https://ubuntu.com/security/CVE-2021-28211
- https://github.com/tianocore/edk2/pull/1138
- https://github.com/tianocore/edk2/commit/e7bd0dd26db7e56aa8ca70132d6ea916ee6f3db0
Frequently Asked Questions
What is the vulnerability ID for this heap overflow in LzmaUefiDecompressGetInfo function in EDK II?
The vulnerability ID is CVE-2021-28211.
What software is affected by this vulnerability?
The Tianocore EDK2 version 202008 is affected by this vulnerability.
How severe is this vulnerability?
The severity of this vulnerability is medium with a CVSS score of 6.7.
What is the CWE ID for this vulnerability?
The CWE ID for this vulnerability is CWE-787 and CWE-122.
Is there a reference to more information about this vulnerability?
Yes, you can find more information about this vulnerability at the following link: https://bugzilla.tianocore.org/show_bug.cgi?id=1816
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