Vulnerability · CVE-2026-104030
A flaw was found in sssd.
Published Oct 5, 2026 · catalog updated Oct 28, 2026 · A flaw was found
Last checked Oct 28, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2026-104030. EPSS is 0.12%. Act only if a listed version of A flaw was found is installed.
Gaps on this record
- The stored product name is a package slug. The name on this page is taken from the title (A flaw was found).
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
Same product and reporting
- CVE-2026-88252 · Medium
- CVE-2026-104032 · Medium
- CVE-2026-104031 · Medium
- CVE-2026-104029 · Medium
- CVE-2026-90995 · Medium
- Severity
- Medium5.5
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.12%
- Remediation
- Advisory link
- Affected products
- cpe fedoraproject/sssd · cpe redhat/enterprise linux · cpe redhat/openshift container platform
A flaw was found in sssd. This vulnerability allows a local user to cause a Denial of Service (DoS) by submitting a specially crafted passkey authentication token that lacks null terminators. The authentication service reads past the end of the provided memory buffer, causing the process to crash and disrupting authentication services.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- cpe fedoraproject/sssd2.12.0
- cpe redhat/enterprise linux10.0
- cpe redhat/enterprise linux7.0
- cpe redhat/enterprise linux8.0
- cpe redhat/enterprise linux9.0
- cpe redhat/openshift container platform4.0
How to fix CVE-2026-104030
No stored fix
No vendor fix text is stored. Use the linked advisory before you change production.
Version check
Seen in 2.12.0 · 5 other packages on the advisory
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2026-104030. EPSS is 0.12%. Act only if a listed version of A flaw was found is installed.
Which versions are affected?
Compare what you have installed with redhat/enterprise linux 10.0; redhat/enterprise linux 7.0; redhat/enterprise linux 8.0; redhat/enterprise linux 9.0. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
CWE-125: Out-of-bounds Read. EPSS 0.12%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Oct 5, 2026 · NIST NVD
Detected
A flaw was found in sssd. This vulnerability allows a local user to cause a Denial of Service (DoS) by submitting a specially crafted passkey authentication token that lacks null terminators. The authentication service reads past the end of the provided memory buffer, causing the process to crash and disrupting authentication services.
Oct 28, 2026 · NIST NVD
Updated
A flaw was found in sssd. This vulnerability allows a local user to cause a Denial of Service (DoS) by submitting a specially crafted passkey authentication token that lacks null terminators. The authentication service reads past the end of the provided memory buffer, causing the process to crash and disrupting authentication services.
Sources
- CVE.orgVulnerability recordCVE-2026-104030
Official CVE identifier
cve.org - NIST NVDVulnerability recordCVE-2026-104030
A flaw was found in sssd. This vulnerability allows a local user to cause a Denial of Service (DoS) by submitting a specially crafted passkey authentication token that lacks null terminators. The authentication service reads past the end of the provided memory buffer, causing the
nvd.nist.gov - OpenCVEVendor advisoryCVE-2026-104030
CVE-2026-104030 is named on the public OpenCVE page.
opencve.io
References
Freshness
Last verified in this catalog Oct 28, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- CVE.orgOct 28, 2026
- OpenCVEOct 28, 2026
- NIST NVDOct 28, 2026