High severity · published May 26, 2021
CVE-2021-33194
golang.org/x/net before v0.0.0-20210520170846-37e1c6afe023 allows attackers to cause a denial of service (infinite loop) via crafted ParseFragment input
7.5
CVSS
7.5%
EPSS
No
On KEV
Description
golang.org/x/net before v0.0.0-20210520170846-37e1c6afe023 allows attackers to cause a denial of service (infinite loop) via crafted ParseFragment input.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)7.5% · higher than 94% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FE
Fedora · Fedoraproject
36 · source: NVD
GO
GO · Golang
through 1.15.12; 1.16.0 through 1.16.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-33194
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-33194
Patch
https://github.com/golang/net/commit/37e1c6afe02340126705deced573a85ab75209d7
Third Party Advisory
https://groups.google.com/g/golang-announce/c/wPunbCPkWUg
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4CHKSFMHZVOBCZSSVRE3UEYNKARTBMTM/
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