VDB-374811 · CVE-2026-12610 · ID 8796

sssd expired pointer dereference

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.1	$0-$5k	0.66

Summaryinfo

A vulnerability has been found in sssd and classified as problematic. This affects an unknown function. Performing a manipulation results in expired pointer dereference. This vulnerability is identified as CVE-2026-12610. The attack is only possible with local access. There is not any exploit available.

Detailsinfo

A vulnerability was found in sssd (the affected version unknown). It has been classified as problematic. This affects an unknown part. The manipulation with an unknown input leads to a expired pointer dereference vulnerability. CWE is classifying the issue as CWE-825. The product dereferences a pointer that contains a location for memory that was previously valid, but is no longer valid. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

A flaw was found in sssd. When authenticating with a YubiKey, the SSSD PAM responder can crash due to a use-after-free vulnerability, where a memory pointer is incorrectly handled. A local attacker could exploit this flaw by manipulating smartcard or YubiKey contents, leading to a denial of service that disrupts authentication. This vulnerability also presents a potential for privilege escalation, although it is difficult to exploit.

It is possible to read the advisory at access.redhat.com. This vulnerability is uniquely identified as CVE-2026-12610 since 06/18/2026. The exploitability is told to be difficult. Attacking locally is a requirement. The exploitation needs additional levels of successful authentication. The technical details are unknown and an exploit is not publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-40268). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

sssd

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.1
VulDB Meta Temp Score: 5.1

VulDB Base Score: 3.9
VulDB Temp Score: 3.9
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 6.4
CNA Vector (redhat): 🔒

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Expired pointer dereference
CWE: CWE-825
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

06/18/2026 CVE reserved
06/30/2026 +12 days Advisory disclosed
06/30/2026 +0 days VulDB entry created
06/30/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: 8796
Status: Not defined

CVE: CVE-2026-12610 (🔒)
GCVE (CVE): GCVE-0-2026-12610
GCVE (VulDB): GCVE-100-374811
EUVD: 🔒

Entryinfo

Created: 06/30/2026 14:48
Updated: 06/30/2026 17:01
Changes: 06/30/2026 14:48 (59), 06/30/2026 17:01 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.