Red Hat Linux Security Advisories & CVEs
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Security advisories for your Red Hat release
Pick your distribution release to see every advisory issued for it and its severity mix. Fixes ship as errata, so keep the system patched. This is the release's advisory history, not a per-package scan.
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Red Hat Enterprise Linux errata (RHSA) via the official Red Hat Security Data API — CVE severity, CVSS and affected packages. A credential-free official source.
Latest Red Hat advisories
Critical [CVE-2026-17655] Insufficient validation of untrusted input in ANGLE
Insufficient validation of untrusted input in ANGLE in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Critical) Upstream bug(s): Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory. Weakness: CWE-1286. Affected Red Hat products: Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7. Will not fix / out of support: Red Hat Enterprise Linux 6. Red Hat fixing advisory: RHSA-2026:74084, RHSA-2026:69098. Affected products named by the advisory: Red Hat package: webkit2gtk3; Red Hat package: webkitgtk4.
Critical [CVE-2026-17653] Use after free in Skia
Use after free in Skia in Google Chrome prior to 151.0.7922.72 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Critical) Upstream bug(s): Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory. Weakness: CWE-825. Affected Red Hat products: Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 9. Will not fix / out of support: Red Hat Enterprise Linux 6. Red Hat fixing advisory: RHSA-2026:74084. Affected products named by the advisory: Red Hat package: webkit2gtk3; Red Hat package: webkitgtk4.
Critical [CVE-2026-17651] Insufficient validation of untrusted input in Dawn
Insufficient validation of untrusted input in Dawn in Google Chrome on Android prior to 151.0.7922.72 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Critical) Upstream bug(s): Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory. Weakness: CWE-79.
Critical [CVE-2026-17650] Use after free in Compositing
Use after free in Compositing in Google Chrome prior to 151.0.7922.72 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Critical) Upstream bug(s): Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory. Red Hat severity: Important — CVSS 9.9 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H). Weakness: CWE-825.
Critical [CVE-2026-17652] Use after free in Views
Use after free in Views in Google Chrome prior to 151.0.7922.72 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Critical) Upstream bug(s): Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory. Weakness: CWE-825.
High [CVE-2026-18157] Remote Code Execution via APT Argument Injection
A flaw was found in yggdrasil-worker-package-manager. A local attacker with existing access to the system could exploit an argument injection vulnerability in the APT backend. This allows specially crafted package names, which begin with a hyphen, to be misinterpreted as command options by apt-get. Successful exploitation could lead to remote code execution (RCE) with root privileges, enabling the attacker to fully compromise the system's integrity, confidentiality, and availability. Red Hat severity: Important — CVSS 7.8 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H). Weakness: CWE-88. Red Hat lists Red Hat Enterprise Linux 10 as not affected.
High [CVE-2026-18140] Denial of Service via uncontrolled recursion with deeply nested JSON
Uncontrolled recursion in the unknown-key skip path of the aws-smithy-json runtime crate before 0.62.7, which the smithy-rs code generator invokes from every generated struct deserializer, might allow remote unauthenticated users to cause a denial of service (process abort via stack exhaustion) via a single small HTTP request containing deeply nested JSON to a smithy-rs generated server. To remediate this issue, users should upgrade to aws-smithy-json 0.62.7 or later and rebuild. This can make the affected server unavailable to legitimate users. Red Hat products utilizing `smithy-rs` generated servers, such as components in Red Hat Enterprise Linux and Red Hat Trusted Artifact Signer, are susceptible to service disruption if exposed to untrusted networks. Red Hat severity: Important — CVSS 7.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H). Weakness: CWE-776. Affected Red Hat products: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Logging Subsystem for Red Hat OpenShift 6.0; Logging Subsystem for Red Hat OpenShift 6.2; Logging Subsystem for Red Hat OpenShift 6.5; Logging Subsystem for Red Hat OpenShift 6.6; Red Hat Trusted Artifact Signer 1.4; Red Hat Trusted Profile Analyzer. Red Hat lists Confidential Compute Attestation; Red Hat Trusted Profile Analyzer as not affected. Will not fix / out of support: Red Hat Trusted Profile Analyzer.
High [CVE-2026-66066] Remote Code Execution via Unsafe libvips Operations
Action Pack is a framework for handling and responding to web requests. In versions prior to 7.2.3.2, 8.0.5.1 and 8.1.3.1, Active Storage does not disable libvips operations marked unsafe for untrusted content, allowing a crafted upload to invoke such an operation. Consuming applications are affected when configured to use libvips and accept image uploads from untrusted users. An unauthenticated attacker may exploit this behavior to read arbitrary files accessible to the Rails process, including environment variables and application secrets. Exposure of credentials such as secret_key_base or external-service tokens may enable remote code execution or lateral movement. This issue has been fixed in versions 7.2.3.2, 8.0.5.1 and 8.1.3.1. A flaw was found in Active Storage, a component of Action Pack. An unauthenticated attacker can exploit this vulnerability by crafting a malicious file upload. This Important flaw in Active Storage allows unauthenticated remote attackers to read arbitrary files and potentially achieve remote code execution. This occurs in applications configured with `libvips` as the Active Storage variant processor (a default since Rails 7.0) that accept untrusted image uploads. Red Hat Satellite: The Active Storage engine is explicitly commented out and disabled at runtime across all Satellite/Foreman builds.
High [CVE-2026-61536] Arbitrary code execution via unsafe tool definition import
Banks generates meaningful LLM prompts using a simple template language. In versions prior to 2.4.3, banks parses Tool JSON objects from the rendered body of {% completion %} blocks and later resolves their import_path field through importlib.import_module(...) + getattr(...) to obtain the callable that handles a tool call. There is no allowlist or sanitization on import_path, so any importable Python attribute (e.g. os.system, subprocess.getoutput) can be selected. When the LLM emits a tool_calls entry whose function.name matches the attacker-supplied tool name, the resolved callable is invoked with kwargs decoded from tool_call.function.arguments, yielding arbitrary code execution in the banks-hosting process. This is distinct from GHSA-gphh-9q3h-jgpp / CVE-2026-44209. That advisory was fixed in 2.4.2 by switching src/banks/env.py from Environment to SandboxedEnvironment. The fix does not touch src/banks/extensions/completion.py, and the unsafe import + getattr chain still executes on 2.4.2. The malicious Tool JSON is plain text in the rendered template body — it requires no Jinja attribute access, so the sandbox is irrelevant. This issue has been fixed in version 2.4.3. A flaw was found in Banks, a tool for generating LLM prompts. This vulnerability allows a remote attacker to achieve arbitrary code execution by injecting a malicious tool definition into a template.
High [CVE-2026-12932] Denial of Service due to memory leak in tls-crypt-v2 client key extraction
A memory leak in the tls-crypt-v2 client key extraction in OpenVPN 2.5.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote attackers to cause a denial of service (memory exhaustion) via a flood of crafted packets A flaw was found in OpenVPN. By sending a flood of specially crafted packets, an attacker can exhaust the system's memory, making the service unavailable. This vulnerability is rated as Important. A memory leak within the tls-crypt-v2 client key extraction mechanism of OpenVPN can be remotely triggered by an unauthenticated attacker. This impact is significant due to the remote, unauthenticated nature of the attack. Red Hat severity: Important — CVSS 7.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H). Weakness: CWE-771.
High [CVE-2026-62663] Information Disclosure via Path Traversal in Media Filters
Banks generates meaningful LLM prompts using a simple template language. In versions prior to 2.4.4, all four media filters (image, audio, video, document) in banks accept untrusted user input as file paths via Path(value) and pass them directly to open(file_path, "rb") without any path sanitization, canonicalization, or directory restriction. An attacker who controls template variables passed to a banks Prompt can use path traversal (../) to read arbitrary files accessible to the Python process—including.env files, SSH keys, cloud credentials, source code, /etc/passwd, and /etc/shadow—with the content returned base64-encoded in the rendered prompt output, making exfiltration trivial. This is particularly dangerous for applications that use banks to process user-provided template variables before sending prompts to an LLM. This issue has been fixed in version 2.4.4. A flaw was found in Banks. An attacker who can control template variables processed by Banks can exploit a path traversal vulnerability in the media filters (image, audio, video, document). The content of these files can then be exfiltrated, leading to unauthorized information disclosure. This information disclosure flaw in the `banks` library allows an attacker to read arbitrary files via path traversal when processing untrusted user input in media filters.
High [CVE-2026-60075] Date::Manip for Perl: Denial of Service via CPU exhaustion in date parsing
Date::Manip versions through 6.99 for Perl allow CPU exhaustion via quadratic backtracking in the unanchored time substitution in _parse_time. _parse_time removes a time from anywhere in the string with the unanchored substitution `s/$timerx/ /`, where $timerx is an auto-generated alternation of time patterns reached through a leading `(?:$atrx|^|\s+)`. The engine therefore retries the match at every position of an interior whitespace run: at each start position the leading `\s+` consumes the rest of the run greedily, the time alternation fails because the run holds no digits, and the engine backtracks a space at a time across the run before advancing the start position, which is quadratic in the length of the run. No time need be present in the string for this to happen, only a long run of whitespace, and the parse time rises about fourfold for each doubling of the run: a few kilobytes of whitespace costs seconds of CPU per parse and tens of kilobytes costs minutes. Any caller that passes an untrusted string of unbounded length to ParseDate(), Date::Manip::Date->parse() or ->parse_time() can be made to spend unbounded CPU in a single parse, a denial of service. An attacker could exploit a vulnerability in the `_parse_time` function by providing a specially crafted input string containing long sequences of whitespace.
High [CVE-2026-17544] Arbitrary code execution via out-of-bounds write in bccomp
Arbitrary code execution via out-of-bounds write in bccomp(). Red Hat rates this important (CVSS 8.1). Weakness: CWE-787. Red Hat lists fixing advisory RHSA-2026:47200 with package php-main-8.5.9-1.hum1, php8.4-0:8.4.24-1.el10_2. Affected product named by the advisory: Red Hat Enterprise Linux 10.
High [CVE-2026-17543] SQL injection via improper backslash escaping
SQL injection via improper backslash escaping. Red Hat rates this important (CVSS 7.4). Weakness: CWE-89. Red Hat lists fixing advisory RHSA-2026:47200 with package php-main-8.5.9-1.hum1, php8.4-0:8.4.24-1.el10_2. Affected product named by the advisory: Red Hat Enterprise Linux 10.
High [CVE-2026-18353] Unauthenticated Server-Side Request Forgery via OIDC issuer allowlist bypass
Unauthenticated Server-Side Request Forgery via OIDC issuer allowlist bypass. Red Hat rates this important (CVSS 8.2). Weakness: CWE-918.
High [CVE-2026-58043] Unauthorized filesystem access due to Permission Model enforcement flaw
Unauthorized filesystem access due to Permission Model enforcement flaw. Red Hat rates this important (CVSS 7.5). Weakness: CWE-551. Red Hat lists fixing advisory RHSA-2026:48273 with package nodejs26-main-26.5.1-1.5.hum1, nodejs22-main-22.23.2-2.3.hum1, nodejs24-main-24.18.1-0.1.hum1.
High [CVE-2026-16529] Denial of Service due to signed integer overflow
A signed integer overflow in the PCP __pmGetPDU() function can be exploited via crafted network packets during PDU processing or SASL negotiation. This permanently blinds the affected daemon, resulting in a total denial of service (DoS) for subsequent packet reads. This is an Important denial of service vulnerability in PCP due to a signed integer overflow. An unauthenticated remote attacker could exhaust resources by sending a specially crafted request to the pmlogger or pmcd services, leading to a permanent denial of service for the affected daemon. While both services are typically bound to the loopback interface by default, remote exploitation is possible if the default binding configuration is altered or if PMLOGGER_LOCAL is unset for pmlogger. Red Hat severity: Important — CVSS 7.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H). Weakness: CWE-190. Affected products named by the advisory: Red Hat Enterprise Linux 10.0 Extended Update Support; Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support; Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On; Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support; and 9 more.
High [CVE-2026-16527] PCP pmproxy: Unauthenticated access to /store endpoint allows bypassing pmcd access rules
An unauthenticated remote attacker can bypass access controls by sending crafted requests to the PCP pmproxy /store endpoint. This allows the attacker to overwrite any PMDA metric, leading to arbitrary code execution and system takeover. Red Hat severity: Important — CVSS 7.3 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L). Weakness: CWE-306. Affected Red Hat products: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 10.0 Extended Update Support; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support; Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On; Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support; Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On; Red Hat Enterprise Linux 8.8 Telecommunications Update Service; Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions; Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions; Red Hat Enterprise Linux 9.6 Extended Update Support; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7. Red Hat lists Red Hat OpenShift Container Platform 4 as not affected. Will not fix / out of support: Red Hat Enterprise Linux 6. Affected products named by the advisory: Red Hat package: pcp.
High [CVE-2026-16526] Privilege escalation to root via linux_sockets PMDA vulnerability
A flaw in the PCP linux_sockets module exposes an unsecured internal connection. An attacker with initial code execution can exploit this to escalate privileges and execute arbitrary commands as root. This is an Important privilege escalation vulnerability in PCP where an attacker can escalate privileges from the `pcp` user to `root`. This flaw requires a prior `linux_sockets` command injection vulnerability and a non-default configuration where the `linux_sockets` PMDA is loaded as a DSO in PMCD. Exploitation can occur locally or remotely depending on the `pmcd` and `pmproxy` configurations. Red Hat severity: Important — CVSS 8.8 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H). Weakness: CWE-403. Affected products named by the advisory: Red Hat Enterprise Linux 10.0 Extended Update Support; Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support; Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On; Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support; and 9 more.
High [CVE-2026-16524] PCP linux_sockets PMDA: Arbitrary Command Execution via Command Injection
A command injection flaw in PCP's linux_sockets PMDA allows malicious shell metacharacters via the network.persocket.filter metric. This failed validation lets attackers execute arbitrary commands as the PMDA user when metrics refresh. This flaw is rated as Important because it allows a local attacker to achieve arbitrary command execution as the PMDA process user within the Performance Co-Pilot (PCP) environment. Exploitation requires the `linux_sockets` PMDA to be loaded and the `ss` utility to be present, which are common configurations. The vulnerability stems from an inverted validation logic in the `sockets_check_filter()` function, enabling the injection of malicious shell metacharacters into a filter value that is later executed. Red Hat severity: Important — CVSS 7.8 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H). Weakness: CWE-78. Affected products named by the advisory: Red Hat Enterprise Linux 10.0 Extended Update Support; Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support; Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On; Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support; and 9 more.
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