7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.3 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
37.8%
QUIC connections do not set an upper bound on the amount of data buffered when reading post-handshake messages, allowing a malicious QUIC connection to cause unbounded memory growth. With fix, connections now consistently reject messages larger than 65KiB in size.
[
{
"vendor": "Go standard library",
"product": "crypto/tls",
"collectionURL": "https://pkg.go.dev",
"packageName": "crypto/tls",
"versions": [
{
"version": "1.21.0-0",
"lessThan": "1.21.1",
"status": "affected",
"versionType": "semver"
}
],
"programRoutines": [
{
"name": "QUICConn.HandleData"
}
],
"defaultStatus": "unaffected"
}
]
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.3 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
37.8%