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CVE-2022-0778

Infinite loop in BN_mod_sqrt() reachable when parsing certificates

Published: Mar 15, 2022Updated: Apr 14, 2026 Sources: CVE List NVD GHSA BDU csafCWE-835
NVD MITRE
7.5CVSSHIGH
EPSS Score
70.6%
Top 0.7%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available

Description

openssl-src's infinite loop in `BN_mod_sqrt()` reachable when parsing certificates

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-835

Affected Products

openssl-srccrates.ioOSS Libraries
Red Hat Enterprise LinuxRed Hat Inc.
On-premOS
Operating Systems / linux-distro
Debian GNU/LinuxСообщество свободного программного обеспечения
On-premOS
Operating Systems / linux-distro
UbuntuCanonical Ltd.
On-premOS
Operating Systems / linux-distro
Jboss Web ServerRed Hat Inc.
On-premWeb App
Web & CMS Plugins
crates.iopackage-ecosystemOSS Libraries
red hat inc.commercialUSOperating Systemsaka red hat
сообщество свободного программного обеспеченияoss-projectOperating Systemsaka сообщество свободного программного обеспечения, fsf
canonical ltd.commercialGBOperating Systemsaka canonical
and 35 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

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Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

MITRE ATT&CK

1 technique
Impact
View detailed technique mapping

References

https://nvd.nist.gov/vuln/detail/CVE-2022-0778
nvd.nist.gov
https://rustsec.org/advisories/RUSTSEC-2022-0014.html
rustsec.org
https://security.gentoo.org/glsa/202210-02
security.gentoo.org
and 118 more references View all →

Timeline

Published
Mar 15, 2022
Last Updated
Apr 14, 2026

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