6.9

CVE-2021-3696

A heap out-of-bounds write may heppen during the handling of Huffman tables in the PNG reader. This may lead to data corruption in the heap space. Confidentiality, Integrity and Availablity impact may be considered Low as it's very complex to an attacker control the encoding and positioning of corrupted Huffman entries to achieve results such as arbitrary code execution and/or secure boot circumvention. This flaw affects grub2 versions prior grub-2.12.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Gnu ≫ Grub2 Version >= 2.00 < 2.12
Redhat ≫ Developer Tools Version 1.0
Redhat ≫ Openshift Version 3.0
Redhat ≫ Enterprise Linux Version 8.0
Redhat ≫ Enterprise Linux Version 8.1
Redhat ≫ Enterprise Linux Version 8.4
Redhat ≫ Enterprise Linux Version 9.0
Redhat ≫ Enterprise Linux Eus Version 8.2
Redhat ≫ Enterprise Linux Eus Version 8.4
Redhat ≫ Enterprise Linux Eus Version 8.6
Redhat ≫ Enterprise Linux Eus Version 9.0
Redhat ≫ Openshift Container Platform Version 4.6
   Redhat ≫ Enterprise Linux Version 8.0
Redhat ≫ Openshift Container Platform Version 4.9
   Redhat ≫ Enterprise Linux Version 8.0
Redhat ≫ Openshift Container Platform Version 4.10
   Redhat ≫ Enterprise Linux Version 8.0
Redhat ≫ Codeready Linux Builder Version -
   Redhat ≫ Enterprise Linux Version 8.0
   Redhat ≫ Enterprise Linux Version 9.0
   Redhat ≫ Enterprise Linux Eus Version 8.2
   Redhat ≫ Enterprise Linux Eus Version 8.4
   Redhat ≫ Enterprise Linux Eus Version 8.6
   Redhat ≫ Enterprise Linux Eus Version 9.0
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.47% 0.374
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 4.5 1 3.4
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
NIST 6.9 3.4 10
AV:L/AC:M/Au:N/C:C/I:C/A:C
CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

https://security.gentoo.org/glsa/202209-12
Third Party Advisory
https://security.netapp.com/advisory/ntap-20220930-0001/
Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1991686
Third Party Advisory
Issue Tracking