Vendor advisories

Ubuntu Security Notices

Browse 390 advisories from this official source. Search by product, CVE, severity, or advisory ID.

Current Checked 14 minutes ago Checked every 15 minutes

390 advisories

Each date says whether the vendor published or updated the bulletin. A vendor bulletin describes products that may be affected. It does not prove that the vulnerable product or version is installed in your environment.

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Ubuntu Security NoticesUSN-8927-2
Severity not listed

USN-8927-2: curl vulnerabilities

USN-8927-1 fixed vulnerabilities in curl. This update provides the corresponding fixes for Ubuntu 26.10. Original advisory details: It was discovered that curl, when built with GnuTLS support, had an out-of-bounds read in the WebSocket send path. An attacker could possibly use...

Vendor guidance

USN-8927-1 fixed vulnerabilities in curl.

Ubuntu Security NoticesUSN-8938-1
Severity not listed

USN-8938-1: cifs-utils vulnerability

It was discovered that cifs-utils incorrectly handled credentials files used by privileged mount.cifs invocations. A local attacker could possibly use this issue to inject arbitrary mount options into a privileged mount, resulting in a privilege escalation.

Ubuntu Security NoticesUSN-8933-1
Severity not listed

USN-8933-1: RabbitMQ Server vulnerabilities

It was discovered that RabbitMQ Server incorrectly handled CORS wildcard origin configuration. An attacker could possibly use this issue to cause a cross-site request forgery attack. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LT...

Ubuntu Security NoticesUSN-8922-2
Severity not listed

USN-8922-2: Linux kernel (Azure) vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - S390 architecture; - IIO ADC drivers; - Multiple devices driver; - PCI subsystem; - VFIO driver...

Vendor guidance

This update corrects flaws in the following subsystems: - S390 architecture; - IIO ADC drivers; - Multiple devices driver; - PCI subsystem; - VFIO drivers; - Network file system (NFS) server daemon; - Overlay file sys...

Ubuntu Security NoticesUSN-8883-2
Severity not listed

USN-8883-2: Go vulnerability

USN-8883-1 fixed a vulnerability in Go versions 1.18, 1.21, and 1.24. This update provides the corresponding fix for Go version 1.23. Original advisory details: It was discovered that the Go x/net/idna package incorrectly handled certain Punycode-encoded labels that decoded to...

Vendor guidance

USN-8883-1 fixed a vulnerability in Go versions 1.18, 1.21, and 1.24.

Ubuntu Security NoticesUSN-8932-1
Severity not listed

USN-8932-1: curl vulnerabilities

Stanislav Fort discovered that curl did not properly clear AWS SigV4 authentication state when CURLOPT_AWS_SIGV4 was set to NULL. An attacker could possibly use this issue to obtain sensitive information. This issue only affected Ubuntu 22.04 LTS and Ubuntu 24.04 LTS. (CVE-202...

Ubuntu Security NoticesUSN-8931-1
Severity not listed

USN-8931-1: Apache HTTP Server vulnerabilities

이지웅 discovered that Apache HTTP Server exposed WebDAV property information. A remote attacker could possibly use this issue to obtain sensitive information. (CVE-2026-58415) Zhen Kong and Charles Vosburgh discovered that Apache HTTP Server did not properly validate FTP serv...

Ubuntu Security NoticesUSN-8929-1
Severity not listed

USN-8929-1: Bind vulnerabilities

Zuyao Xu and Xiang Li discovered that Bind incorrectly handled certain malformed DNSKEY records. A remote attacker could possibly use this issue to cause Bind to consume resources, resulting in a denial of service. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, a...

Ubuntu Security NoticesUSN-8928-1
Severity not listed

USN-8928-1: OpenSSH vulnerabilities

It was discovered that OpenSSH's sftp client incorrectly handled paths returned by the server during a recursive copy operation. A remote attacker controlling the server could possibly use this issue to write files to unintended locations. (CVE-2026-106552) It was discovered t...

Ubuntu Security NoticesUSN-8927-1
Severity not listed

USN-8927-1: curl vulnerabilities

It was discovered that curl, when built with GnuTLS support, had an out-of-bounds read in the WebSocket send path. An attacker could possibly use this issue to obtain sensitive information. (CVE-2026-107928) Maksim discovered that curl did not correctly include the interface b...

Ubuntu Security NoticesUSN-8908-2
Severity not listed

USN-8908-2: BlueZ regression

USN-8908-1 fixed vulnerabilities in BlueZ. Unfortunately, that update introduced a regression in the A2DP profile: cached remote stream endpoints were no longer loaded at startup, which could cause Bluetooth audio devices to fail to reconnect automatically or to fall back to l...

Vendor guidance

USN-8908-1 fixed vulnerabilities in BlueZ.

Ubuntu Security NoticesUSN-8924-1
Severity not listed

USN-8924-1: Linux kernel vulnerabilities

It was discovered that the timer stats implementation in the Linux kernel allowed the discovery of a real PID value while inside a PID namespace. A local attacker could use this to expose sensitive information. (CVE-2017-5967) Wen Xu discovered that the XFS file system impleme...

Vendor guidance

This update corrects flaws in the following subsystems: - IPv6 networking; - Netfilter; (CVE-2026-53131)

Ubuntu Security NoticesUSN-8918-1
Severity not listed

USN-8918-1: Linux kernel (Azure) vulnerabilities

It was discovered that some AMD processors did not properly perform Reverse Map Table (RMP) checks when the IOMMU accessed certain host buffers. A local attacker with hypervisor access could possibly use this to trigger an out-of-bounds condition and compromise the integrity o...

Vendor guidance

This update corrects flaws in the following subsystems: - NVDIMM (Non-Volatile Memory Device) drivers; - Handshake API; - ARM32 architecture; - ARM64 architecture; - MIPS architecture; - PowerPC architecture; - RISC-V...

Ubuntu Security NoticesUSN-8921-1
Severity not listed

USN-8921-1: Linux kernel vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - S390 architecture; - IIO ADC drivers; - Multiple devices driver; - PCI subsystem; - VFIO driver...

Vendor guidance

This update corrects flaws in the following subsystems: - S390 architecture; - IIO ADC drivers; - Multiple devices driver; - PCI subsystem; - VFIO drivers; - Network file system (NFS) server daemon; - Overlay file sys...

Ubuntu Security NoticesUSN-8920-1
Severity not listed

USN-8920-1: Linux kernel vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Ethernet bonding driver; - Network drivers; - F2FS file system; - Network file system (NFS) ser...

Vendor guidance

This update corrects flaws in the following subsystems: - Ethernet bonding driver; - Network drivers; - F2FS file system; - Network file system (NFS) server daemon; - Tracing infrastructure; - io_uring subsystem; - Ne...

Ubuntu Security NoticesUSN-8923-1
Severity not listed

USN-8923-1: Linux kernel vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - SCSI subsystem; - Bluetooth subsystem; (CVE-2022-49111, CVE-2022-49114)

Vendor guidance

This update corrects flaws in the following subsystems: - SCSI subsystem; - Bluetooth subsystem; (CVE-2022-49111, CVE-2022-49114)

Ubuntu Security NoticesUSN-8919-1
Severity not listed

USN-8919-1: Linux kernel vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Ethernet bonding driver; - Network drivers; - F2FS file system; - Tracing infrastructure; - io_...

Vendor guidance

This update corrects flaws in the following subsystems: - Ethernet bonding driver; - Network drivers; - F2FS file system; - Tracing infrastructure; - io_uring subsystem; - Networking core; - IUCV driver; - RxRPC sessi...

Ubuntu Security NoticesUSN-8922-1
Severity not listed

USN-8922-1: Linux kernel (Oracle) vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - S390 architecture; - IIO ADC drivers; - Multiple devices driver; - PCI subsystem; - VFIO driver...

Vendor guidance

This update corrects flaws in the following subsystems: - S390 architecture; - IIO ADC drivers; - Multiple devices driver; - PCI subsystem; - VFIO drivers; - Network file system (NFS) server daemon; - Overlay file sys...

Ubuntu Security NoticesUSN-8917-1
Severity not listed

USN-8917-1: Linux kernel vulnerabilities

It was discovered that some AMD processors did not properly perform Reverse Map Table (RMP) checks when the IOMMU accessed certain host buffers. A local attacker with hypervisor access could possibly use this to trigger an out-of-bounds condition and compromise the integrity o...

Vendor guidance

This update corrects flaws in the following subsystems: - NVDIMM (Non-Volatile Memory Device) drivers; - Handshake API; - ARM32 architecture; - ARM64 architecture; - MIPS architecture; - PowerPC architecture; - RISC-V...

Ubuntu Security NoticesUSN-8916-1
Severity not listed

USN-8916-1: PyJWT vulnerabilities

YuSung Han discovered that PyJWT did not properly validate certain JWK keys when performing HMAC verification. An attacker could possibly use this issue to forge authentication tokens. This issue only affected Ubuntu 26.04 LTS. (CVE-2026-102266) Rohan Das discovered that PyJWT...

Ubuntu Security NoticesUSN-8915-1
Severity not listed

USN-8915-1: FFmpeg vulnerabilities

Momoko Shiraishi discovered that FFmpeg did not correctly handle certain memory operations. An attacker could possibly use this issue to execute arbitrary code. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS and Ubuntu 24.04 LTS...

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Start with the vendor's bulletin.

We normalize the fields that vendors publish so you can search and compare advisories in one place. We do not replace the original bulletin or turn a product-name match into proof that a system is vulnerable.

Confirm the installed product and version, read the linked vendor guidance, and test the recommended update or mitigation through your normal change process.

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