CVE-2020-12823

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Source
https://nvd.nist.gov/vuln/detail/CVE-2020-12823
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-12823.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2020-12823
Downstream
Related
Published
2020-05-12T18:15:13.473Z
Modified
2025-11-20T11:09:24.390432Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

OpenConnect 8.09 has a buffer overflow, causing a denial of service (application crash) or possibly unspecified other impact, via crafted certificate data to getcertname in gnutls.c.

References

Affected packages

Git / github.com/openconnect/openconnect

Affected ranges

Type
GIT
Repo
https://github.com/openconnect/openconnect
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
946ebe7fbb124877f86dbca88dcdcfb889f7058f

Affected versions

v0.*

v0.90
v0.91
v0.92
v0.93
v0.94
v0.95
v0.96
v0.97
v0.98
v0.99

v1.*

v1.00
v1.10
v1.20
v1.30
v1.40

v2.*

v2.00
v2.01
v2.10
v2.11
v2.12
v2.20
v2.21
v2.22
v2.23
v2.24
v2.25
v2.26

v3.*

v3.00
v3.01
v3.02
v3.10
v3.11
v3.12
v3.13
v3.14
v3.15
v3.16
v3.17
v3.18
v3.19
v3.20
v3.99

v4.*

v4.00
v4.01
v4.02
v4.03
v4.04
v4.05
v4.06
v4.07
v4.08
v4.99

v5.*

v5.00
v5.01
v5.02
v5.03
v5.99

v6.*

v6.00

v7.*

v7.00
v7.01
v7.02
v7.03
v7.04
v7.05
v7.06
v7.07
v7.08

v8.*

v8.00
v8.01
v8.02
v8.03
v8.04
v8.05
v8.06
v8.07
v8.08
v8.09

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-12823.json"