CVE-2026-104041

A flaw was found in SSSD. An unprivileged local user can repeatedly request lookups for nonexistent entries through the Name Service Switch NSS responder. Because the negative cache does not limit the total number of stored entries and only removes expired records when an existing key is rechecke...

CVE-2026-104043

A flaw exists in SSSD where a local attacker with access to the Name Service Switch (NSS) responder UNIX socket can trigger an integer underflow . By sending a specially crafted request with an undersized packet header, the attacker can cause an out-of-bounds memory read during packet parsing. Th...

EUVD-2026-92913

A flaw was found in SSSD. A local attacker with access to the Name Service Switch NSS responder UNIX socket can trigger an integer underflow by sending a specially crafted request with an undersized packet header. This issue causes an out-of-bounds memory read during packet parsing, crashing the...

CVE-2026-104041

A flaw exists in SSSD where an unprivileged local user can trigger a Denial of Service (DoS) via unbounded negative cache growth. By repeatedly requesting lookups for nonexistent entries through the Name Service Switch (NSS) responder , an attacker can cause the negative cache to grow without lim...

EUVD-2026-92911

A flaw was found in SSSD. An unprivileged local user can repeatedly request lookups for nonexistent entries through the Name Service Switch NSS responder. Because the negative cache does not limit the total number of stored entries and only removes expired records when an existing key is rechecke...

CVE-2026-104041 Sssd: sssd: denial of service via unbounded negative cache growth

A flaw was found in SSSD. An unprivileged local user can repeatedly request lookups for nonexistent entries through the Name Service Switch NSS responder. Because the negative cache does not limit the total number of stored entries and only removes expired records when an existing key is rechecke...

CVE-2026-104041

A flaw was found in SSSD. An unprivileged local user can repeatedly request lookups for nonexistent entries through the Name Service Switch NSS responder. Because the negative cache does not limit the total number of stored entries and only removes expired records when an existing key is rechecke...

AlmaLinux 9.6 [TuxCare] Security Update: libipa_hbac / libipa_hbac-devel / libsss_autofs / libsss_certmap / etc (ALMALINUX9.6:CLSA-2026:1787733592)

The AlmaLinux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1787733592 advisory. - A flaw was found in SSSD. The sssnssprotocolparseaddr function in the NSS responder does not validate the addrlen field against the remaini...

OESA-2026-3758 sssd security update

Provides a set of daemons to manage access to remote directories and authentication mechanisms. It provides an NSS and PAM interface toward the system and a pluggable back end system to connect to multiple different account sources. It is also the basis to provide client auditing and policy...

DEBIAN-CVE-2026-90996

A flaw was found in sssd. A local unprivileged user could send a specially crafted request with a zero-length body to the Network Security Services NSS responder. This could lead to a denial-of-service condition, causing the NSS responder to become unstable or terminate. This vulnerability affect...

CVE-2026-90996

A flaw was found in sssd. A local unprivileged user could send a specially crafted request with a zero-length body to the Network Security Services NSS responder. This could lead to a denial-of-service condition, causing the NSS responder to become unstable or terminate. This vulnerability affect...

CVE-2026-90463

A flaw was found in the sssd NSS responder. This input validation vulnerability allows a local attacker, by sending specially crafted service lookup requests to the NSS responder's UNIX socket, to cause an out-of-bounds read. This out-of-bounds read may lead to a denial of service DoS by crashing...

DEBIAN-CVE-2026-90463

A flaw was found in the sssd NSS responder. This input validation vulnerability allows a local attacker, by sending specially crafted service lookup requests to the NSS responder's UNIX socket, to cause an out-of-bounds read. This out-of-bounds read may lead to a denial of service DoS by crashing...

UBUNTU-CVE-2026-90463

A flaw was found in the sssd NSS responder. This input validation vulnerability allows a local attacker, by sending specially crafted service lookup requests to the NSS responder's UNIX socket, to cause an out-of-bounds read. This out-of-bounds read may lead to a denial of service DoS by crashing...

CVE-2026-90463

A flaw was found in the sssd NSS responder. This input validation vulnerability allows a local attacker, by sending specially crafted service lookup requests to the NSS responder's UNIX socket, to cause an out-of-bounds read. This out-of-bounds read may lead to a denial of service DoS by crashing...

CVE-2026-90996 Sssd: sssd: denial of service in nss responder via crafted zero-length requests

A flaw was found in sssd. A local unprivileged user could send a specially crafted request with a zero-length body to the Network Security Services NSS responder. This could lead to a denial-of-service condition, causing the NSS responder to become unstable or terminate. This vulnerability affect...

CVE-2026-90996 Sssd: sssd: denial of service in nss responder via crafted zero-length requests

A flaw was found in sssd. A local unprivileged user could send a specially crafted request with a zero-length body to the Network Security Services NSS responder. This could lead to a denial-of-service condition, causing the NSS responder to become unstable or terminate. This vulnerability affect...

CVE-2026-90996

sssd (System Security Services Daemon) is vulnerable to a denial-of-service condition in its NSS (Network Security Services) responder . A local unprivileged user can send a specially crafted request with a zero-length body , causing the NSS responder to become unstable or terminate, degrading th...

EUVD-2026-77590

A flaw was found in sssd. A local unprivileged user could send a specially crafted request with a zero-length body to the Network Security Services NSS responder. This could lead to a denial-of-service condition, causing the NSS responder to become unstable or terminate. This vulnerability affect...

CVE-2026-90996

A flaw was found in sssd. A local unprivileged user could send a specially crafted request with a zero-length body to the Network Security Services NSS responder. This could lead to a denial-of-service condition, causing the NSS responder to become unstable or terminate. This vulnerability affect...