Not rated
CVE-2021-20225 A flaw was found in grub2 in versions prior to 2.06
Description
A flaw was found in grub2 in versions prior to 2.06. The option parser allows an attacker to write past the end of a heap-allocated buffer by calling certain commands with a large number of specific short forms of options. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| grub2 | Versions not published |
References
- bugzilla.redhat.com bugzilla.redhat.com
- FEDORA-2021-cab258a413 lists.fedoraproject.org
- GLSA-202104-05 security.gentoo.org
- security.netapp.com security.netapp.com
Timeline
- Published
- Last modified
Other CVEs of grub2
The 14 CVEs of grub2 →
CVE-2022-3775
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CVE-2022-2601
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CVE-2021-3697
A crafted JPEG image may lead the JPEG reader to underflow its data pointer, allowing user-controlled data to be written…
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CVE-2021-3696
A heap out-of-bounds write may heppen during the handling of Huffman tables in the PNG reader
Not rated