USN-5882-1: DCMTK vulnerabilities

Gjoko Krstic discovered that DCMTK incorrectly handled buffers. If a user or an automated system were tricked into opening a certain specially crafted input file, a remote attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 16.04 LTS. CVE-2015-8979...

USN-5792-1: Linux kernel vulnerabilities

Mingwei Zhang discovered that the KVM implementation for AMD processors in the Linux kernel did not properly handle cache coherency with Secure Encrypted Virtualization SEV. A local attacker could possibly use this to cause a denial of service host system crash. CVE-2022-0171 It was discovered th...

USN-5790-1: Linux kernel vulnerabilities

It was discovered that the BPF verifier in the Linux kernel did not properly handle internal data structures. A local attacker could use this to expose sensitive information kernel memory. CVE-2021-4159 It was discovered that a race condition existed in the Android Binder IPC subsystem in the Lin...

USN-5587-1: curl vulnerability

Axel Chong discovered that when curl accepted and sent back cookies containing control bytes that a HTTPS server might return a 400 Bad Request Error response. A malicious cookie host could possibly use this to cause denial-of-service...

USN-5541-1: Linux kernel (Azure) vulnerabilities

Eric Biederman discovered that the cgroup process migration implementation in the Linux kernel did not perform permission checks correctly in some situations. A local attacker could possibly use this to gain administrative privileges. CVE-2021-4197 Jann Horn discovered that the FUSE file system i...

USN-5315-1: Ansible vulnerabilities

It was discovered that Ansible did not properly manage directory permissions when running playbooks with an unprivileged become user. A local attacker could possibly use this issue to cause a race condition, escalate privileges and execute arbitrary code. This issue only affected Ubuntu 16.04 ESM...

USN-5259-2: Cron vulnerabilities

USN-5259-1 fixed several vulnerabilities in Cron. This update provides the corresponding update for Ubuntu 18.04 LTS. Original advisory details: It was discovered that the postinst maintainer script in Cron unsafely handled file permissions during package install or update operations. An attacker...

USN-5371-1: nginx vulnerabilities

It was discovered that nginx Lua module mishandled certain inputs. An attacker could possibly use this issue to perform an HTTP Request Smuggling attack. This issue was fixed for Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. CVE-2020-11724 It was discovered that nginx Lua module mishandled certain input...

USN-5207-1: Linux kernel (OEM) vulnerabilities

Nadav Amit discovered that the hugetlb implementation in the Linux kernel did not perform TLB flushes under certain conditions. A local attacker could use this to leak or alter data from other processes that use huge pages. CVE-2021-4002 It was discovered that the eBPF implementation in the Linux...

USN-4761-1: Git vulnerability

Matheus Tavares discovered that Git incorrectly handled delay-capable clean/smudge filters when being used on case-insensitive filesystems. A remote attacker could possibly use this issue to execute arbitrary code...

USN-4760-1: libzstd vulnerabilities

It was discovered that libzstd incorrectly handled file permissions. A local attacker could possibly use this issue to access certain files, contrary to expectations...

USN-4388-1: Linux kernel vulnerabilities

It was discovered that the F2FS file system implementation in the Linux kernel did not properly perform bounds checking on xattrs in some situations. A local attacker could possibly use this to expose sensitive information kernel memory. CVE-2020-0067 It was discovered that memory contents...

USN-4365-2: Bind vulnerabilities

USN-4365-1 fixed several vulnerabilities in Bind. This update provides the corresponding update for Ubuntu 12.04 ESM and 14.04 ESM. Original advisory details: Lior Shafir, Yehuda Afek, and Anat Bremler-Barr discovered that Bind incorrectly limited certain fetches. A remote attacker could possibly...

USN-3865-1: poppler vulnerabilities

It was discovered that poppler incorrectly handled certain PDF files. An attacker could possibly use this issue to cause a denial of service. CVE-2018-20481, CVE-2018-20650...

USN-3583-1: Linux kernel vulnerabilities

It was discovered that an out-of-bounds write vulnerability existed in the Flash-Friendly File System f2fs in the Linux kernel. An attacker could construct a malicious file system that, when mounted, could cause a denial of service system crash or possibly execute arbitrary code. CVE-2017-0750 It...

USN-1592-1: Python 2.7 vulnerabilities

Niels Heinen discovered that the urllib and urllib2 modules would process Location headers that specify a redirection to file: URLs. A remote attacker could exploit this to obtain sensitive information or cause a denial of service. This issue only affected Ubuntu 11.04. CVE-2011-1521 It was...

USN-6026-1: Vim vulnerabilities

It was discovered that Vim was incorrectly processing Vim buffers. An attacker could possibly use this issue to perform illegal memory access and expose sensitive information. This issue only affected Ubuntu 20.04 LTS. CVE-2021-4166 It was discovered that Vim was using freed memory when dealing...

USN-5245-1: Apache Maven vulnerability

It was discovered that Apache Maven followed repositories that are defined in a dependency's Project Object Model pom even if the repositories weren't encrypted http protocol. An attacker could use this vulnerability to take over a repository, execute arbitrary code or cause a denial of service...

USN-5313-2: OpenJDK 11 regression

USN-5313-1 fixed vulnerabilities and added features in OpenJDK. Unfortunately, that update introduced a regression in OpenJDK 11 that could impact interoperability with some popular HTTP/2 servers making it unable to connect to said servers. This update fixes the problem. We apologize for the...

USN-5335-1: ImageMagick vulnerabilities

It was discovered that ImageMagick incorrectly handled certain values when processing XPM image data or large images. If a user or automated system using ImageMagick were tricked into opening a specially crafted image, an attacker could exploit this to cause a denial of service or possibly execut...

USN-5103-1: docker.io vulnerability

Lei Wang and Ruizhi Xiao discovered that the Moby Docker engine in Docker incorrectly allowed the docker cp command to make permissions changes in the host filesystem in some situations. A local attacker could possibly use to this to expose sensitive information or gain administrative privileges...

USN-4963-1: Pillow vulnerabilities

It was discovered that Pillow incorrectly handled certain image files. If a user or automated system were tricked into opening a specially-crafted file, a remote attacker could cause Pillow to crash or hand, resulting in a denial of service...

USN-4747-1: GNU Screen vulnerability

Felix Weinmann discovered that GNU Screen incorrectly handled certain character sequences. A remote attacker could use this issue to cause GNU Screen to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-4741-1: Jackson vulnerabilities

It was discovered that Jackson Databind incorrectly handled deserialization. An attacker could possibly use this issue to execute arbitrary code...

USN-4707-1: TCMU vulnerability

It was discovered that TCMU lacked a check for transport-layer restrictions, allowing remote attackers to read or write files via directory traversal in an XCOPY request...

USN-4704-1: libsndfile vulnerabilities

It was discovered that libsndfile incorrectly handled certain malformed files. A remote attacker could use this issue to cause libsndfile to crash, resulting in a denial of service, or possibly execute arbitrary code. CVE-2017-12562 It was discovered that libsndfile incorrectly handled certain...

USN-4673-1: libproxy vulnerability

Li Fei discovered that libproxy incorrectly handled certain PAC files. An attacker could possibly use this issue to cause a crash or execute arbitrary code...

USN-4098-1: wpa_supplicant and hostapd vulnerability

It was discovered that wpasupplicant and hostapd were vulnerable to a side channel attack against EAP-pwd. A remote attacker could possibly use this issue to recover certain passwords...

USN-3977-3: Intel Microcode update

USN-3977-1 and USN-3977-2 provided mitigations for Microarchitectural Data Sampling MDS vulnerabilities in Intel Microcode for a large number of Intel processor families. This update provides the corresponding updated microcode mitigations for the Intel Sandy Bridge processor family Ke Sun,...

USN-6025-1: Linux kernel vulnerabilities

It was discovered that the Traffic-Control Index TCINDEX implementation in the Linux kernel contained a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2023-1281 It was discovered that the OverlayFS...

USN-5964-1: curl vulnerabilities

Harry Sintonen discovered that curl incorrectly handled certain TELNET connection options. Due to lack of proper input scrubbing, curl could pass on user name and telnet options to the server as provided, contrary to expectations. CVE-2023-27533 Harry Sintonen discovered that curl incorrectly...

USN-5540-1: Linux kernel vulnerabilities

Liu Jian discovered that the IGMP protocol implementation in the Linux kernel contained a race condition, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2022-20141 It was discovered that...

USN-4781-1: Slurm vulnerabilities

It was discovered that Slurm incorrectly handled certain messages between the daemon and the user. An attacker could possibly use this issue to assume control of an arbitrary file on the system. This issue only affected Ubuntu 16.04 ESM. CVE-2016-10030 It was discovered that Slurm mishandled SPAN...

USN-5365-1: H2 vulnerabilities

It was discovered that H2 was vulnerable to deserialization of untrusted data. An attacker could possibly use this issue to execute arbitrary code. CVE-2021-42392 It was discovered that H2 incorrectly handled some specially crafted connection URLs. An attacker could possibly use this issue to...

USN-5175-1: NTP vulnerability

It was discovered that ntpd incorrectly handled memory when CMAC keys were used. A remote attacker could possibly use this issue to cause ntpd to crash resulting in a denial of service...

USN-5113-1: Linux kernel vulnerabilities

It was discovered that a race condition existed in the Atheros Ath9k WiFi driver in the Linux kernel. An attacker could possibly use this to expose sensitive information WiFi network traffic. CVE-2020-3702 Alois Wohlschlager discovered that the overlay file system in the Linux kernel did not...

USN-5027-1: PEAR vulnerability

It was discovered that PEAR incorrectly handled symbolic links in archives. A remote attacker could possibly use this issue to execute arbitrary code...

USN-4957-1: DjVuLibre vulnerabilities

It was discovered that DjVuLibre incorrectly handled certain memory operations. If a user or automated system were tricked into processing a specially crafted DjVu file, a remote attacker could cause applications to hang or crash, resulting in a denial of service, or possibly execute arbitrary co...

USN-4922-1: Ruby vulnerability

Juho Nurminen discovered that the REXML gem bundled with Ruby incorrectly parsed and serialized XML documents. A remote attacker could possibly use this issue to perform an XML round-trip attack...

USN-4918-1: ClamAV vulnerabilities

It was discovered that ClamAV incorrectly handled parsing Excel documents. A remote attacker could possibly use this issue to cause ClamAV to hang, resulting in a denial of service. CVE-2021-1252 It was discovered that ClamAV incorrectly handled parsing PDF documents. A remote attacker could...

USN-4391-1: Linux kernel vulnerabilities

It was discovered that the ext4 file system implementation in the Linux kernel did not properly handle setxattr operations in some situations. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2019-19319 It was discovered that memory...

USN-4203-1: NSS vulnerability

It was discovered that NSS incorrectly handled certain memory operations. A remote attacker could use this issue to cause NSS to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-3674-2: Linux kernel (Trusty HWE) vulnerabilities

USN-3674-1 fixed vulnerabilities in the Linux kernel for Ubuntu 14.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 14.04 LTS for Ubuntu 12.04 ESM. It was discovered that the netfilter subsystem of the Linux kernel did not properly...

USN-3561-1: libvirt update

It was discovered that microprocessors utilizing speculative execution and branch prediction may allow unauthorized memory reads via sidechannel attacks. This flaw is known as Spectre. An attacker in the guest could use this to expose sensitive guest information, including kernel memory. This...

USN-6817-1: Linux kernel vulnerabilities

Ziming Zhang discovered that the DRM driver for VMware Virtual GPU did not properly handle certain error conditions, leading to a NULL pointer dereference. A local attacker could possibly trigger this vulnerability to cause a denial of service. CVE-2022-38096 Zheng Wang discovered that the Broadc...

USN-6172-1: Linux kernel vulnerabilities

It was discovered that the TUN/TAP driver in the Linux kernel did not properly initialize socket data. A local attacker could use this to cause a denial of service system crash. CVE-2023-1076 It was discovered that the Real-Time Scheduling Class implementation in the Linux kernel contained a type...

USN-6044-1: Linux kernel vulnerabilities

It was discovered that the Traffic-Control Index TCINDEX implementation in the Linux kernel did not properly perform filter deactivation in some situations. A local attacker could possibly use this to gain elevated privileges. Please note that with the fix for this CVE, kernel support for the...

USN-5303-1: PHP vulnerability

It was discovered that PHP incorrectly handled certain scripts. An attacker could possibly use this issue to cause a denial of service, or possibly execute arbitrary code...

USN-5286-1: cryptsetup vulnerability

Milan Broz discovered that cryptsetup incorrectly handled LUKS2 reencryption recovery. An attacker with physical access to modify the encrypted device header may trigger the device to be unencrypted the next time it is mounted by the user. On Ubuntu 20.04 LTS, this issue was fixed by disabling th...

USN-5259-1: Cron vulnerabilities

It was discovered that the postinst maintainer script in Cron unsafely handled file permissions during package install or update operations. An attacker could possibly use this issue to perform a privilege escalation attack. CVE-2017-9525 Florian Weimer discovered that Cron incorrectly handled...