SUSE CVE-2025-54499

Mattermost versions 10.5.x = 10.5.10, 10.11.x = 10.11.2 fail to use constant-time comparison for sensitive string comparisons which allows attackers to exploit timing oracles to perform byte-by-byte brute force attacks via response time analysis on Cloud API keys and OAuth client secrets...

kernel: ipv6: sr: Fix MAC comparison to be constant-time

In the Linux kernel, the following vulnerability has been resolved: ipv6: sr: Fix MAC comparison to be constant-time To prevent timing attacks, MACs need to be compared in constant time. Use the appropriate helper function for this...

Moderate: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

kernel: ipv6: sr: Fix MAC comparison to be constant-time

In the Linux kernel, the following vulnerability has been resolved: ipv6: sr: Fix MAC comparison to be constant-time To prevent timing attacks, MACs need to be compared in constant time. Use the appropriate helper function for this...

Moderate: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...

ALSA-2025:19469 Moderate: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: ipv6: sr: Fix MAC comparison to be constant-time CVE-2025-39702 kernel: kernfs: Fix UAF in polling when open file is released CVE-2025-39881 For more details about the security issues,...

ALSA-2025:19409 Moderate: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: ipv6: sr: Fix MAC comparison to be constant-time CVE-2025-39702 kernel: fs: fix UAF/GPF bug in nilfsmdtdestroy CVE-2022-50367 kernel: crypto: xts - Handle EBUSY correctly CVE-2023-53494 F...

Moderate: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: ipv6: sr: Fix MAC comparison to be constant-time CVE-2025-39702 kernel: fs: fix UAF/GPF bug in nilfsmdtdestroy CVE-2022-50367 kernel: crypto: xts - Handle EBUSY correctly CVE-2023-53494 F...

Unity Linux 20.1070e Security Update: ongres-scram (UTSA-2025-988625)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-988625 advisory. SCRAM Salted Challenge Response Authentication Mechanism is part of the family of Simple Authentication and Security Layer SASL, RFC 4422 authentication mechanisms...

EulerOS 2.0 SP13 : grub2 (EulerOS-SA-2025-2293)

According to the versions of the grub2 packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : GNU GRUB aka GRUB2 through 2.12 has a heap-based buffer overflow in fs/hfs.c via crafted sblock data in an HFS filesystem.CVE-2024-56737 GNU GRUB a...

EUVD-2025-34730

Mattermost has an Observable Timing Discrepancy vulnerability...

GHSA-XR3W-RMVJ-F6M7 Mattermost has an Observable Timing Discrepancy vulnerability

Mattermost versions 10.5.x = 10.5.10, 10.11.x = 10.11.2 fail to use constant-time comparison for sensitive string comparisons which allows attackers to exploit timing oracles to perform byte-by-byte brute force attacks via response time analysis on Cloud API keys and OAuth client secrets...

Mattermost has an Observable Timing Discrepancy vulnerability

Mattermost versions 10.5.x = 10.5.10, 10.11.x = 10.11.2 fail to use constant-time comparison for sensitive string comparisons which allows attackers to exploit timing oracles to perform byte-by-byte brute force attacks via response time analysis on Cloud API keys and OAuth client secrets...

CVE-2025-54499

Mattermost versions 10.5.x = 10.5.10, 10.11.x = 10.11.2 fail to use constant-time comparison for sensitive string comparisons which allows attackers to exploit timing oracles to perform byte-by-byte brute force attacks via response time analysis on Cloud API keys and OAuth client secrets...

CVE-2025-54499 Insecure string comparison enables timing attacks

Mattermost versions 10.5.x = 10.5.10, 10.11.x = 10.11.2 fail to use constant-time comparison for sensitive string comparisons which allows attackers to exploit timing oracles to perform byte-by-byte brute force attacks via response time analysis on Cloud API keys and OAuth client secrets...

CVE-2025-54499 Insecure string comparison enables timing attacks

Mattermost versions 10.5.x = 10.5.10, 10.11.x = 10.11.2 fail to use constant-time comparison for sensitive string comparisons which allows attackers to exploit timing oracles to perform byte-by-byte brute force attacks via response time analysis on Cloud API keys and OAuth client secrets...

CVE-2025-54499

Mattermost CVE-2025-54499 affects Mattermost Server 10.5.x (≤10.5.10) and 10.11.x (≤10.11.2). The root cause is non-constant-time comparison for sensitive strings, enabling timing-based side-channel attacks that could reveal Cloud API keys and OAuth client secrets. Connected advisories also link ...

(Dis)Proving Spectre Security with Speculation-Passing Style

Constant-time CT verification tools are commonly used for detecting potential side-channel vulnerabilities in cryptographic libraries. Recently, a new class of tools, called speculative constant-time SCT tools, has also been used for detecting potential Spectre vulnerabilities. In many cases, the...

OESA-2025-2393 ongres-scram security update

Scram is part of the family of Simple Authentication and Security Layer authentication mechanisms.It is described as part of RFC 5802 and RFC7677. This pachage is a Java implementation. Security Fixes: SCRAM Salted Challenge Response Authentication Mechanism is part of the family of Simple...

OESA-2025-2396 ongres-scram security update

Scram is part of the family of Simple Authentication and Security Layer authentication mechanisms.It is described as part of RFC 5802 and RFC7677. This pachage is a Java implementation. Security Fixes: SCRAM Salted Challenge Response Authentication Mechanism is part of the family of Simple...