ALSA-2025:20954: sssd security update (Important)
ALSA-2025:20958: tigervnc security update (Important)
ALSA-2025:20962: pcs security update (Important)
ALSA-2025:21111: bind9.18 security update (Important)
ALSA-2025:21255: openssl security update (Moderate)
ALSA-2025:21916: valkey security update (Important)
ALSA-2025:21926: kernel security update (Moderate)
ALSA-2025:21968: gimp security update (Important)
ALSA-2025:21974: mingw-expat security update (Important)
ALSA-2025:22063: cups security update (Moderate)
ALSA-2025:21977: libssh security update (Moderate)
ALSA-2025:20954: sssd security update (Important)
Hi,
You are receiving an AlmaLinux Security update email because you subscribed to receive errata notifications from AlmaLinux.
AlmaLinux: 9
Type: Security
Severity: Important
Release date: 2025-12-01
Summary:
The System Security Services Daemon (SSSD) service provides a set of daemons to manage access to remote directories and authentication mechanisms. It also provides the Name Service Switch (NSS) and the Pluggable Authentication Modules (PAM) interfaces toward the system, and a pluggable back-end system to connect to multiple different account sources.
Security Fix(es):
* sssd: SSSD default Kerberos configuration allows privilege escalation on AD-joined Linux systems (CVE-2025-11561)
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.
Full details, updated packages, references, and other related information: https://errata.almalinux.org/9/ALSA-2025-20954.html
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Kind regards,
AlmaLinux Team
ALSA-2025:20958: tigervnc security update (Important)
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You are receiving an AlmaLinux Security update email because you subscribed to receive errata notifications from AlmaLinux.
AlmaLinux: 9
Type: Security
Severity: Important
Release date: 2025-12-01
Summary:
Virtual Network Computing (VNC) is a remote display system which allows users to view a computing desktop environment not only on the machine where it is running, but from anywhere on the Internet and from a wide variety of machine architectures. TigerVNC is a suite of VNC servers and clients.
Security Fix(es):
* xorg: xmayland: Use-after-free in XPresentNotify structure creation (CVE-2025-62229)
* xorg: xwayland: Use-after-free in Xkb client resource removal (CVE-2025-62230)
* xorg: xmayland: Value overflow in XkbSetCompatMap() (CVE-2025-62231)
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.
Full details, updated packages, references, and other related information: https://errata.almalinux.org/9/ALSA-2025-20958.html
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AlmaLinux Team
ALSA-2025:20962: pcs security update (Important)
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You are receiving an AlmaLinux Security update email because you subscribed to receive errata notifications from AlmaLinux.
AlmaLinux: 9
Type: Security
Severity: Important
Release date: 2025-12-01
Summary:
The pcs packages provide a command-line configuration system for the Pacemaker and Corosync utilities.
Security Fix(es):
* rubygem-rack: Rack QueryParser has an unsafe default allowing params_limit bypass via semicolon-separated parameters (CVE-2025-59830)
* rack: Rack's unbounded multipart preamble buffering enables DoS (memory exhaustion) (CVE-2025-61770)
* rack: Rack's multipart parser buffers large non?file fields entirely in memory, enabling DoS (memory exhaustion) (CVE-2025-61771)
* rack: Rack memory exhaustion denial of service (CVE-2025-61772)
* rubygem-rack: Unbounded read in `Rack::Request` form parsing can lead to memory exhaustion (CVE-2025-61919)
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.
Full details, updated packages, references, and other related information: https://errata.almalinux.org/9/ALSA-2025-20962.html
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AlmaLinux Team
ALSA-2025:21111: bind9.18 security update (Important)
Hi,
You are receiving an AlmaLinux Security update email because you subscribed to receive errata notifications from AlmaLinux.
AlmaLinux: 9
Type: Security
Severity: Important
Release date: 2025-12-01
Summary:
BIND (Berkeley Internet Name Domain) is an implementation of the DNS (Domain Name System) protocols. BIND includes a DNS server (named), which resolves host names to IP addresses; a resolver library (routines for applications to use when interfacing with DNS); and tools for verifying that the DNS server is operating properly.
Security Fix(es):
* bind: Cache poisoning attacks with unsolicited RRs (CVE-2025-40778)
* bind: Cache poisoning due to weak PRNG (CVE-2025-40780)
* bind: Resource exhaustion via malformed DNSKEY handling (CVE-2025-8677)
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.
Full details, updated packages, references, and other related information: https://errata.almalinux.org/9/ALSA-2025-21111.html
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AlmaLinux Team
ALSA-2025:21255: openssl security update (Moderate)
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You are receiving an AlmaLinux Security update email because you subscribed to receive errata notifications from AlmaLinux.
AlmaLinux: 9
Type: Security
Severity: Moderate
Release date: 2025-12-01
Summary:
OpenSSL is a toolkit that implements the Secure Sockets Layer (SSL) and Transport Layer Security (TLS) protocols, as well as a full-strength general-purpose cryptography library.
Security Fix(es):
* openssl: Out-of-bounds read & write in RFC 3211 KEK Unwrap (CVE-2025-9230)
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.
Full details, updated packages, references, and other related information: https://errata.almalinux.org/9/ALSA-2025-21255.html
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AlmaLinux Team
ALSA-2025:21916: valkey security update (Important)
Hi,
You are receiving an AlmaLinux Security update email because you subscribed to receive errata notifications from AlmaLinux.
AlmaLinux: 9
Type: Security
Severity: Important
Release date: 2025-12-01
Summary:
Valkey is an advanced key-value store. It is often referred to as a data structure server since keys can contain strings, hashes, lists, sets and sorted sets. You can run atomic operations on these types, like appending to a string; incrementing the value in a hash; pushing to a list; computing set intersection, union and difference; or getting the member with highest ranking in a sorted set. In order to achieve its outstanding performance, Valkey works with an in-memory dataset. Depending on your use case, you can persist it either by dumping the dataset to disk every once in a while, or by appending each command to a log. Valkey also supports trivial-to-setup master-slave replication, with very fast non-blocking first synchronization, auto-reconnection on net split and so forth. Other features include Transactions, Pub/Sub, Lua scripting, Keys with a limited time-to-live, and configuration settings to make Valkey behave like a cache. You can use Valkey from most programming languages also.
Security Fix(es):
* redis: Lua library commands may lead to integer overflow and potential RCE (CVE-2025-46817)
* Redis: Redis: Authenticated users can execute LUA scripts as a different user (CVE-2025-46818)
* Redis: Redis is vulnerable to DoS via specially crafted LUA scripts (CVE-2025-46819)
* Redis: Redis Lua Use-After-Free may lead to remote code execution (CVE-2025-49844)
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.
Full details, updated packages, references, and other related information: https://errata.almalinux.org/9/ALSA-2025-21916.html
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AlmaLinux Team
ALSA-2025:21926: kernel security update (Moderate)
Hi,
You are receiving an AlmaLinux Security update email because you subscribed to receive errata notifications from AlmaLinux.
AlmaLinux: 9
Type: Security
Severity: Moderate
Release date: 2025-12-01
Summary:
The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* kernel: mm: slub: avoid wake up kswapd in set_track_prepare (CVE-2025-39843)
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.
Full details, updated packages, references, and other related information: https://errata.almalinux.org/9/ALSA-2025-21926.html
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AlmaLinux Team
ALSA-2025:21968: gimp security update (Important)
Hi,
You are receiving an AlmaLinux Security update email because you subscribed to receive errata notifications from AlmaLinux.
AlmaLinux: 9
Type: Security
Severity: Important
Release date: 2025-12-01
Summary:
The GIMP (GNU Image Manipulation Program) is an image composition and editing program. GIMP provides a large image manipulation toolbox, including channel operations and layers, effects, sub-pixel imaging and anti-aliasing, and conversions, all with multi-level undo.
Security Fix(es):
* gimp: GIMP DCM File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability (CVE-2025-10922)
* gimp: GIMP ICNS File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability (CVE-2025-10920)
* gimp: GIMP WBMP File Parsing Integer Overflow Remote Code Execution Vulnerability (CVE-2025-10923)
* gimp: GIMP HDR File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability (CVE-2025-10921)
* gimp: GIMP ILBM File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability (CVE-2025-10925)
* gimp: GIMP FF File Parsing Integer Overflow Remote Code Execution Vulnerability (CVE-2025-10924)
* gimp: GIMP XWD File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability (CVE-2025-10934)
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.
Full details, updated packages, references, and other related information: https://errata.almalinux.org/9/ALSA-2025-21968.html
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AlmaLinux Team
ALSA-2025:21974: mingw-expat security update (Important)
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You are receiving an AlmaLinux Security update email because you subscribed to receive errata notifications from AlmaLinux.
AlmaLinux: 8
Type: Security
Severity: Important
Release date: 2025-12-01
Summary:
Expat is a C library for parsing XML documents. The mingw-expat packages provide a port of the Expat library for MinGW.
Security Fix(es):
* expat: libexpat in Expat allows attackers to trigger large dynamic memory allocations via a small document that is submitted for parsing (CVE-2025-59375)
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.
Full details, updated packages, references, and other related information: https://errata.almalinux.org/8/ALSA-2025-21974.html
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AlmaLinux Team
ALSA-2025:22063: cups security update (Moderate)
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You are receiving an AlmaLinux Security update email because you subscribed to receive errata notifications from AlmaLinux.
AlmaLinux: 8
Type: Security
Severity: Moderate
Release date: 2025-11-28
Summary:
The Common UNIX Printing System (CUPS) provides a portable printing layer for Linux, UNIX, and similar operating systems.
Security Fix(es):
* cups: Null Pointer Dereference in CUPS ipp_read_io() Leading to Remote DoS (CVE-2025-58364)
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.
Full details, updated packages, references, and other related information: https://errata.almalinux.org/8/ALSA-2025-22063.html
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AlmaLinux Team
ALSA-2025:21977: libssh security update (Moderate)
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You are receiving an AlmaLinux Security update email because you subscribed to receive errata notifications from AlmaLinux.
AlmaLinux: 8
Type: Security
Severity: Moderate
Release date: 2025-11-25
Summary:
libssh is a library which implements the SSH protocol. It can be used to implement client and server applications.
Security Fix(es):
* libssh: Incorrect Return Code Handling in ssh_kdf() in libssh (CVE-2025-5372)
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.
Full details, updated packages, references, and other related information: https://errata.almalinux.org/8/ALSA-2025-21977.html
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AlmaLinux Team
