CVE-2020-8945

Name: CVE-2020-8945
Creator: NVD / NIST
Published: 2020-02-12T18:15:10.47+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 5.07%

Last modified Jun 17, 2026

CVE-2020-8945 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. The proglottis Go wrapper before 0.1.1 for the GPGME library has a use-after-free, as demonstrated by use for container image pulls by Docker or CRI-O. This leads to a crash or potential code execution during GPG signature verification.. EPSS estimates a 5.07% chance of exploitation in the next 30 days.

Description

The proglottis Go wrapper before 0.1.1 for the GPGME library has a use-after-free, as demonstrated by use for container image pulls by Docker or CRI-O. This leads to a crash or potential code execution during GPG signature verification.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

5.07%

91.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-416

Affected Software

Vendor	Product	Versions
Gpgme Project	Gpgme	< 0.1.1
Redhat	Openshift Container Platform	3.11
Redhat	Openshift Container Platform	4.1
Redhat	Openshift Container Platform	4.2
Redhat	Openshift Container Platform	4.3
Redhat	Openshift Container Platform	4.4
Redhat	Openshift Container Platform	4.5
Redhat	Openshift Container Platform For Ibm Z	4.1
Redhat	Openshift Container Platform For Ibm Z	4.2
Redhat	Openshift Container Platform For Linuxone	4.1
Redhat	Openshift Container Platform For Linuxone	4.2
Fedoraproject	Fedora	30
Fedoraproject	Fedora	31
Fedoraproject	Fedora	32
Redhat	Enterprise Linux For Ibm Z Systems	7.0
Redhat	Enterprise Linux For Power Little Endian	7.0
Redhat	Enterprise Linux Server	7.0
Redhat	Enterprise Linux Workstation	7.0

References

https://access.redhat.com/errata/RHSA-2020:0679Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0689Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0697Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1795838Issue Tracking, Patch, Third Party Advisory
https://github.com/containers/image/commit/4c7a23f82ef09127b0ff28366d1cf31316dd6cc1Patch, Third Party Advisory
https://github.com/proglottis/gpgme/compare/v0.1.0...v0.1.1Patch, Third Party Advisory
https://github.com/proglottis/gpgme/pull/23Exploit, Patch, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3SOCLOPTSYABTE4CLTSPDIFE6ZZZR4LX/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H6P6SSNKN4H6GSEVROHBDXA64PX7EOED/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KDBT77KV3U7BESJX3P4S4MPVDGRTAQA2/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WXV7NZELYWRRCXATXU3FYD3G3WJT3WYM/
https://access.redhat.com/errata/RHSA-2020:0679Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0689Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0697Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1795838Issue Tracking, Patch, Third Party Advisory
https://github.com/containers/image/commit/4c7a23f82ef09127b0ff28366d1cf31316dd6cc1Patch, Third Party Advisory
https://github.com/proglottis/gpgme/compare/v0.1.0...v0.1.1Patch, Third Party Advisory
https://github.com/proglottis/gpgme/pull/23Exploit, Patch, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3SOCLOPTSYABTE4CLTSPDIFE6ZZZR4LX/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H6P6SSNKN4H6GSEVROHBDXA64PX7EOED/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KDBT77KV3U7BESJX3P4S4MPVDGRTAQA2/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WXV7NZELYWRRCXATXU3FYD3G3WJT3WYM/

Timeline

Published: Feb 12, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-8945?

How severe is CVE-2020-8945?

CVE-2020-8945 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 5.07% probability of exploitation in the next 30 days.

How do I fix CVE-2020-8945?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-8945?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST