High
Security advisory
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.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2020-8945
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 10:59 UTC · Revision 1
Source evidence
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.
osv:CVE-2020-8945
Complete source record
{
"id": "01213698fef09cd9e5df5838b7acf47f0f19bbaf0af264fa4e1d555b9ad4fcc5",
"url": "https://osv.dev/vulnerability/CVE-2020-8945",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2020-8945",
"summary": "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.",
"evidence": "osv:CVE-2020-8945",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2020-8945",
"aliases": [
"CVE-2020-8945",
"GHSA-m6wg-2mwg-4rfq",
"GO-2021-0096"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/containers/image",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "4c7a23f82ef09127b0ff28366d1cf31316dd6cc1"
}
],
"database_specific": {
"extracted_events": [
{
"range": [
{
"fixed": "4c7a23f82ef09127b0ff28366d1cf31316dd6cc1"
}
],
"source": "REFERENCES_COMMIT"
}
]
}
}
],
"versions": [
"v1.5.1",
"v1.4",
"v1.3",
"v1.2",
"v1.1",
"v1,1"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-8945.json"
}
},
{
"ranges": [
{
"repo": "https://github.com/proglottis/gpgme",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "92153bcb59bd2f511e502262c46c7bd660e21733"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:gpgme_project:gpgme:*:*:*:*:*:go:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "0.1.1"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"v0.1.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-8945.json"
}
}
],
"modified": "2026-10-20T10:52:15.988314555Z",
"provider": "osv",
"references": [
"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-2020:0679",
"https://access.redhat.com/errata/RHSA-2020:0689",
"https://access.redhat.com/errata/RHSA-2020:0697",
"https://bugzilla.redhat.com/show_bug.cgi?id=1795838",
"https://github.com/containers/image/commit/4c7a23f82ef09127b0ff28366d1cf31316dd6cc1",
"https://github.com/proglottis/gpgme/compare/v0.1.0...v0.1.1",
"https://github.com/proglottis/gpgme/pull/23"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*",
"cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*",
"cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*"
],
"vendor_product": "fedoraproject:fedora",
"extracted_events": [
{
"range": [
{
"introduced": "30"
},
{
"last_affected": "30"
},
{
"introduced": "31"
},
{
"last_affected": "31"
},
{
"introduced": "32"
},
{
"last_affected": "32"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems:7.0:*:*:*:*:*:*:*"
],
"vendor_product": "redhat:enterprise_linux_for_ibm_z_systems",
"extracted_events": [
{
"range": [
{
"introduced": "7.0"
},
{
"last_affected": "7.0"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:7.0:*:*:*:*:*:*:*"
],
"vendor_product": "redhat:enterprise_linux_for_power_little_endian",
"extracted_events": [
{
"range": [
{
"introduced": "7.0"
},
{
"last_affected": "7.0"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*"
],
"vendor_product": "redhat:enterprise_linux_server",
"extracted_events": [
{
"range": [
{
"introduced": "7.0"
},
{
"last_affected": "7.0"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*"
],
"vendor_product": "redhat:enterprise_linux_workstation",
"extracted_events": [
{
"range": [
{
"introduced": "7.0"
},
{
"last_affected": "7.0"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:a:redhat:openshift_container_platform:3.11:*:*:*:*:*:*:*",
"cpe:2.3:a:redhat:openshift_container_platform:4.1:*:*:*:*:*:*:*",
"cpe:2.3:a:redhat:openshift_container_platform:4.2:*:*:*:*:*:*:*",
"cpe:2.3:a:redhat:openshift_container_platform:4.3:*:*:*:*:*:*:*",
"cpe:2.3:a:redhat:openshift_container_platform:4.4:*:*:*:*:*:*:*",
"cpe:2.3:a:redhat:openshift_container_platform:4.5:*:*:*:*:*:*:*"
],
"vendor_product": "redhat:openshift_container_platform",
"extracted_events": [
{
"range": [
{
"introduced": "3.11"
},
{
"last_affected": "3.11"
},
{
"introduced": "4.1"
},
{
"last_affected": "4.1"
},
{
"introduced": "4.2"
},
{
"last_affected": "4.2"
},
{
"introduced": "4.3"
},
{
"last_affected": "4.3"
},
{
"introduced": "4.4"
},
{
"last_affected": "4.4"
},
{
"introduced": "4.5"
},
{
"last_affected": "4.5"
},
{
"introduced": "3.11"
},
{
"last_affected": "3.11"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:a:redhat:openshift_container_platform_for_ibm_z:4.1:*:*:*:*:*:*:*",
"cpe:2.3:a:redhat:openshift_container_platform_for_ibm_z:4.2:*:*:*:*:*:*:*"
],
"vendor_product": "redhat:openshift_container_platform_for_ibm_z",
"extracted_events": [
{
"range": [
{
"introduced": "4.1"
},
{
"last_affected": "4.1"
},
{
"introduced": "4.2"
},
{
"last_affected": "4.2"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:a:redhat:openshift_container_platform_for_linuxone:4.1:*:*:*:*:*:*:*",
"cpe:2.3:a:redhat:openshift_container_platform_for_linuxone:4.2:*:*:*:*:*:*:*"
],
"vendor_product": "redhat:openshift_container_platform_for_linuxone",
"extracted_events": [
{
"range": [
{
"introduced": "4.1"
},
{
"last_affected": "4.1"
},
{
"introduced": "4.2"
},
{
"last_affected": "4.2"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2020-8945",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 383510,
"published_at": "2020-02-12T18:15:10.47+00:00"
}