Tianocore: >> Edk2 >> 201911 Security Vulnerabilities
CVE-2026-111497
A buffer overflow vulnerability in the Brotli decoder (c/dec/decode.c) in Google Brotli versions 1.0.3 through 1.2.0 on all platforms allows a remote unauthenticated attacker to corrupt adjacent decoder state memory, disclose sensitive memory contents, cause a denial of service, or potentially execute arbitrary code using a crafted Brotli-compressed stream.
Users need to update any Brotli libraries or binaries between 1.0.3 through 1.2.0 to the latest available version: 1.0.10 or 1.1.1 or 1.2.1.
Known exploited
CVSS Score
9.2
EPSS Score
0.826
Published
2026-10-22
EDK2's Network Package is susceptible to a predictable TCP Initial Sequence Number. This
vulnerability can be exploited by an attacker to gain unauthorized
access and potentially lead to a loss of Confidentiality.
CVSS Score
5.3
EPSS Score
0.01
Published
2024-01-16
EDK2's Network Package is susceptible to an infinite loop vulnerability when parsing unknown options in the Destination Options header of IPv6. This
vulnerability can be exploited by an attacker to gain unauthorized
access and potentially lead to a loss of Availability.
CVSS Score
7.5
EPSS Score
0.021
Published
2024-01-16
EDK2's Network Package is susceptible to an infinite lop vulnerability when parsing a PadN option in the Destination Options header of IPv6. This
vulnerability can be exploited by an attacker to gain unauthorized
access and potentially lead to a loss of Availability.
CVSS Score
7.5
EPSS Score
0.021
Published
2024-01-16
EDK2's Network Package is susceptible to a buffer overflow vulnerability when processing DNS Servers option from a DHCPv6 Advertise message. This
vulnerability can be exploited by an attacker to gain unauthorized
access and potentially lead to a loss of Confidentiality, Integrity and/or Availability.
CVSS Score
8.3
EPSS Score
0.012
Published
2024-01-16
EDK2's Network Package is susceptible to a buffer overflow vulnerability when
handling Server ID option
from a DHCPv6 proxy Advertise message. This
vulnerability can be exploited by an attacker to gain unauthorized
access and potentially lead to a loss of Confidentiality, Integrity and/or Availability.
CVSS Score
8.3
EPSS Score
0.012
Published
2024-01-16
EDK2's Network Package is susceptible to a predictable TCP Initial Sequence Number. This
vulnerability can be exploited by an attacker to gain unauthorized
access and potentially lead to a loss of Confidentiality.
CVSS Score
5.8
EPSS Score
0.01
Published
2024-01-16
EDK2's Network Package is susceptible to an out-of-bounds read
vulnerability when processing the IA_NA or IA_TA option in a DHCPv6 Advertise message. This
vulnerability can be exploited by an attacker to gain unauthorized
access and potentially lead to a loss of Confidentiality.
CVSS Score
6.5
EPSS Score
0.01
Published
2024-01-16
EDK2's Network Package is susceptible to a buffer overflow vulnerability via a long server ID option in DHCPv6 client. This
vulnerability can be exploited by an attacker to gain unauthorized
access and potentially lead to a loss of Confidentiality, Integrity and/or Availability.
CVSS Score
8.3
EPSS Score
0.012
Published
2024-01-16
EDK2's Network Package is susceptible to an out-of-bounds read
vulnerability when processing Neighbor Discovery Redirect message. This
vulnerability can be exploited by an attacker to gain unauthorized
access and potentially lead to a loss of Confidentiality.
CVSS Score
6.5
EPSS Score
0.008
Published
2024-01-16
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