Important: mod_auth_openidc:2.3 security update
The mod_auth_openidc is an OpenID Connect authentication module for Apache HTTP Server. It enables an Apache HTTP Server to operate as an OpenID Connect Relying Party and/or OAuth 2.0 Resource Server. Security Fix(es): * mod_auth_openidc: mod_auth_openidc: Denial of Service via malformed state cookie parsing (CVE-2026-54789) * cjose: cjose: Heap buffer overflow in AES Key Wrap decryption leads to denial of service (CVE-2026-53938) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
- Products
- cjose, mod_auth_openidc
- Affected versions
- Not specified
- Fixed versions
- 0:0.6.1-5.module+el8.10.0+40373+8a3f15d2, 0:2.4.9.4-9.module+el8.10.0+40373+8a3f15d2
- CVEs
- CVE-2026-53938, CVE-2026-54789
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 28 Oct 2026, 09:00 UTC · Revision 1
Source evidence
Important: mod_auth_openidc:2.3 security update
core-osv · Original sourcePublished 8 Oct 2026, 06:03 UTC
The mod_auth_openidc is an OpenID Connect authentication module for Apache HTTP Server. It enables an Apache HTTP Server to operate as an OpenID Connect Relying Party and/or OAuth 2.0 Resource Server. Security Fix(es): * mod_auth_openidc: mod_auth_openidc: Denial of Service via malformed state cookie parsing (CVE-2026-54789) * cjose: cjose: Heap buffer overflow in AES Key Wrap decryption leads to denial of service (CVE-2026-53938) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
osv:RLSA-2026:77369
cjose
Fixed versions: 0:0.6.1-5.module+el8.10.0+40373+8a3f15d2
mod_auth_openidc
Fixed versions: 0:2.4.9.4-9.module+el8.10.0+40373+8a3f15d2
Complete source record
{
"id": "44e63026c47f386126fe2c7598ee437b9f28bdaef8a2bd5ebba529e6e400ae24",
"url": "https://osv.dev/vulnerability/RLSA-2026%3A77369",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Important: mod_auth_openidc:2.3 security update",
"summary": "The mod_auth_openidc is an OpenID Connect authentication module for Apache HTTP Server. It enables an Apache HTTP Server to operate as an OpenID Connect Relying Party and/or OAuth 2.0 Resource Server. Security Fix(es): * mod_auth_openidc: mod_auth_openidc: Denial of Service via malformed state cookie parsing (CVE-2026-54789) * cjose: cjose: Heap buffer overflow in AES Key Wrap decryption leads to denial of service (CVE-2026-53938) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
"evidence": "osv:RLSA-2026:77369",
"products": [
{
"name": {
"value": "cjose",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:0.6.1-5.module+el8.10.0+40373+8a3f15d2",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "mod_auth_openidc",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:2.4.9.4-9.module+el8.10.0+40373+8a3f15d2",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
}
],
"severity": "high",
"structured": {
"id": "RLSA-2026:77369",
"aliases": [
"RLSA-2026:77369"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:0.6.1-5.module+el8.10.0+40373+8a3f15d2"
}
],
"database_specific": {
"yum_repository": "AppStream"
}
}
],
"package": {
"name": "cjose",
"purl": "pkg:rpm/rocky-linux/cjose?distro=rocky-linux-8&epoch=0",
"ecosystem": "Rocky Linux:8"
},
"database_specific": {
"source": "https://storage.googleapis.com/resf-osv-data/RLSA-2026:77369.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:2.4.9.4-9.module+el8.10.0+40373+8a3f15d2"
}
],
"database_specific": {
"yum_repository": "AppStream"
}
}
],
"package": {
"name": "mod_auth_openidc",
"purl": "pkg:rpm/rocky-linux/mod_auth_openidc?distro=rocky-linux-8&epoch=0",
"ecosystem": "Rocky Linux:8"
},
"database_specific": {
"source": "https://storage.googleapis.com/resf-osv-data/RLSA-2026:77369.json"
}
}
],
"modified": "2026-10-08T06:45:02.751660331Z",
"provider": "osv",
"upstream": [
"CVE-2026-53938",
"CVE-2026-54789"
],
"references": [
"https://errata.rockylinux.org/RLSA-2026:77369",
"https://bugzilla.redhat.com/show_bug.cgi?id=2521051",
"https://bugzilla.redhat.com/show_bug.cgi?id=2530240",
"https://access.redhat.com/errata/RHSA-2026:77369"
],
"provider_metadata": {
"license": "CC-BY-4.0",
"license_url": "https://creativecommons.org/licenses/by/4.0/",
"source_advisory": "RHSA-2026:77369"
}
},
"related_cves": [
{
"value": "CVE-2026-53938",
"evidence": "/upstream"
},
{
"value": "CVE-2026-54789",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 98607,
"published_at": "2026-10-08T06:03:37.805+00:00"
}