cbcvebase.
CVE-2021-28210
published 2021-06-08

CVE-2021-28210: An unlimited recursion in DxeCore in EDK II. FAQ: Is Azure Linux the only Microsoft product that includes this open-source library and is therefore potentially…

high7.8CVSS 3.1
AVLACLPRLUINSUCHIHAH
EPSS
0.40%
32.2th percentile
An unlimited recursion in DxeCore in EDK II. FAQ: Is Azure Linux the only Microsoft product that includes this open-source library and is therefore potentially affected by this vulnerability? One of the main benefits to our customers who choose to use the Azure Linux distro is the commitment to keep it up to date with the most recent and most secure versions of the open source libraries with which the distro is composed. Microsoft is committed to transparency in this work which is why we began publishing CSAF/VEX in October 2025. See this blog post for more information. If impact to additional products is identified, we will update the CVE to reflect this. Mariner: Mariner TianoCore: TianoCore Customer Action Required: Yes

Affected

7 ranges
VendorProductVersion rangeFixed in
debianedk2< edk2 2020.11-1 (bookworm)edk2 2020.11-1 (bookworm)
msrccbl2_qemu_6.2.0-24_on_cbl_mariner_2.0
tianocoreedk2>= 0 < 0~20191122.bd85bf54-2ubuntu3.60~20191122.bd85bf54-2ubuntu3.6
tianocoreedk2>= 0 < 0~20191122.bd85bf54-2ubuntu3.20~20191122.bd85bf54-2ubuntu3.2
tianocoreedk2>= 0 < 2022.02-3ubuntu0.22.04.32022.02-3ubuntu0.22.04.3
tianocoreedk2>= 0 < 0~20160408.ffea0a2c-2ubuntu0.2+esm30~20160408.ffea0a2c-2ubuntu0.2+esm3
tianocoreedk2>= 0 < 0~20180205.c0d9813c-2ubuntu0.3+esm20~20180205.c0d9813c-2ubuntu0.3+esm2

CVSS provenance

nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
nvdv2.04.6MEDIUMAV:L/AC:L/Au:N/C:P/I:P/A:P
osv7.8HIGH
vendor_debian7.8HIGH
vendor_msrc7.8HIGH
vendor_redhat7.8HIGH
vendor_ubuntu7.8HIGH
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