USN-6067-1: OpenStack Neutron vulnerabilities

David Sinquin discovered that OpenStack Neutron incorrectly handled the default Open vSwitch firewall rules. An attacker could possibly use this issue to impersonate the IPv6 addresses of other systems on the network. This issue only affected Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. CVE-2021-20267...

USN-6050-1: Git vulnerabilities

It was discovered that Git incorrectly handled certain commands. An attacker could possibly use this issue to overwriting some paths. CVE-2023-25652 Maxime Escourbiac and Yassine BENGANA discovered that Git incorrectly handled some gettext machinery. An attacker could possibly use this issue to...

USN-5962-1: Linux kernel (Intel IoTG) vulnerabilities

It was discovered that the Upper Level Protocol ULP subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain protocols, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execut...

USN-5949-1: Chromium vulnerabilities

It was discovered that Chromium could be made to write out of bounds in several components. A remote attacker could possibly use this issue to corrupt memory via a crafted HTML page, resulting in a denial of service, or possibly execute arbitrary code. CVE-2023-0930, CVE-2023-1219, CVE-2023-1220,...

USN-5890-1: Open vSwitch vulnerabilities

Qian Chen discovered that Open vSwitch incorrectly handled certain Organization Specific TLVs. A remote attacker could use this issue to cause Open vSwitch to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-5678-1: Linux kernel vulnerabilities

It was discovered that the SUNRPC RDMA protocol implementation in the Linux kernel did not properly calculate the header size of a RPC message payload. A local attacker could use this to expose sensitive information kernel memory. CVE-2022-0812 Moshe Kol, Amit Klein and Yossi Gilad discovered tha...

USN-5583-2: systemd regression

USN-5583-1 fixed vulnerabilities in systemd. Unfortunately this caused a regression by introducing networking problems for some users. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that systemd incorrectly handled certain DNS...

USN-5476-1: Liblouis vulnerabilities

Han Zheng discovered that Liblouis incorrectly handled certain inputs. An attacker could possibly use this issue to cause a crash. This issue was addressed in Ubuntu 21.10 and Ubuntu 22.04 LTS. CVE-2022-26981 It was discovered that Liblouis incorrectly handled certain inputs. An attacker could...

USN-5244-2: DBus vulnerability

USN-5244-1 fixed a vulnerability in DBus. This update provides the corresponding update for Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. Original advisory details: Daniel Onaca discovered that DBus contained a use-after-free vulnerability, caused by the incorrect handling of usernames sharing the same...

USN-5146-1: Thunderbird vulnerabilities

Multiple security issues were discovered in Thunderbird. If a user were tricked into opening a specially crafted website in a browsing context, an attacker could potentially exploit these to cause a denial of service, or execute arbitrary code...

USN-4766-1: Apache Commons BeanUtils vulnerabilities

It was discovered that Apache Commons BeanUtils improperly handled certain input. An attacker could possibly use this vulnerability to cause a crash or execute arbitrary code...

USN-4663-1: GDK-PixBuf vulnerability

Melvin Kool discovered that the GDK-PixBuf library did not properly handle certain GIF images. If an user or automated system were tricked into opening a specially crafted GIF file, a remote attacker could use this flaw to cause GDK-PixBuf to hang, resulting in a denial of service...

USN-4552-2: Pam-python vulnerability

Malte Kraus discovered that Pam-python mishandled certain environment variables. A local attacker could potentially use this vulnerability to execute programs as root...

USN-4370-2: ClamAV vulnerabilities

USN-4370-1 fixed several vulnerabilities in ClamAV. This update provides the corresponding update for Ubuntu 12.04 ESM and 14.04 ESM. Original advisory details: It was discovered that ClamAV incorrectly handled parsing ARJ archives. A remote attacker could possibly use this issue to cause ClamAV ...

USN-4343-1: Linux kernel vulnerability

Al Viro discovered that the Linux kernel for s390x systems did not properly perform page table upgrades for kernel sections that use secondary address mode. A local attacker could use this to cause a denial of service system crash or execute arbitrary code...

USN-4314-1: pam-krb5 vulnerability

Russ Allbery discovered that pam-krb5 incorrectly handled some responses. An attacker could possibly use this issue to execute arbitrary code...

USN-4307-1: Apache HTTP Server update

As a security improvement, this update adds TLSv1.3 support to the Apache HTTP Server package in Ubuntu 18.04 LTS. TLSv1.3 is enabled by default, and in certain environments may cause compatibility issues. The SSLProtocol directive may be used to disable TLSv1.3 in these problematic environments...

USN-4236-2: Libgcrypt vulnerability

USN-4236-1 fixed a vulnerability in Libgcrypt. This update provides the corresponding fix for Ubuntu 16.04 LTS. Original advisory details: It was discovered that Libgcrypt was susceptible to a ECDSA timing attack. An attacker could possibly use this attack to recover sensitive information...

USN-4214-2: RabbitMQ vulnerability

USN-4214-1 fixed a vulnerability in RabbitMQ. This update provides the corresponding updates for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. Original advisory details: It was discovered that RabbitMQ incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary cod...

USN-4110-3: Dovecot regression

USN-4110-1 fixed a vulnerability in Dovecot. The update introduced a regression causing a wrong check. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Nick Roessler and Rafi Rubin discovered that Dovecot incorrectly handled certain data. An attacker...

USN-4040-1: Expat vulnerability

It was discovered that Expat incorrectly handled certain XML files. An attacker could possibly use this issue to cause a denial of service...

USN-3888-1: GVfs vulnerability

It was discovered that GVfs incorrectly handled certain inputs. An attacker could possibly use this issue to access sensitive information...

USN-3836-1: Linux kernel vulnerabilities

Jann Horn discovered that the Linux kernel mishandles mapping UID or GID ranges inside nested user namespaces in some situations. A local attacker could use this to bypass access controls on resources outside the namespace. CVE-2018-18955 Philipp Wendler discovered that the overlayfs implementati...

USN-3831-1: Ghostscript vulnerabilities

It was discovered that Ghostscript contained multiple security issues. If a user or automated system were tricked into processing a specially crafted file, a remote attacker could possibly use these issues to access arbitrary files, execute arbitrary code, or cause a denial of service...

USN-3717-2: PolicyKit vulnerabilities

USN-3717-1 fixed a vulnerability in PolicyKit. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: It was discovered that PolicyKit incorrectly handled certain duplicate action IDs. A local attacker could use this issue to cause PolicyKit to crash,...

USN-3711-1: ImageMagick vulnerabilities

It was discovered that ImageMagick incorrectly handled certain malformed image files. 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 execute code with the privileges of th...

USN-3710-1: curl vulnerability

Peter Wu discovered that curl incorrectly handled certain SMTP buffers. A remote attacker could use this issue to cause curl to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-3625-2: Perl vulnerabilities

USN-3625-1 fixed a vulnerability in Perl. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: It was discovered that Perl incorrectly handled certain regular expressions. An attacker could possibly use this issue to cause Perl to hang, resulting in a...

USN-3608-1: Zsh vulnerabilities

Richard Maciel Costa discovered that Zsh incorrectly handled certain inputs. An attacker could possibly use this to cause a denial of service. CVE-2018-1071 It was discovered that Zsh incorrectly handled certain files. An attacker could possibly use this to execute arbitrary code. CVE-2018-1083...

USN-3484-3: Linux kernel (GCP) vulnerability

It was discovered that the KVM subsystem in the Linux kernel did not properly keep track of nested levels in guest page tables. A local attacker in a guest VM could use this to cause a denial of service host OS crash or possibly execute arbitrary code in the host OS...

USN-3441-2: curl vulnerabilities

USN-3441-1 fixed several vulnerabilities in curl. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: Daniel Stenberg discovered that curl incorrectly handled large floating point output. A remote attacker could use this issue to cause curl to crash,...

USN-3441-1: curl vulnerabilities

Daniel Stenberg discovered that curl incorrectly handled large floating point output. A remote attacker could use this issue to cause curl to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. CVE-2016-9586...

USN-3370-1: Apache HTTP Server vulnerability

Robert Święcki discovered that the Apache HTTP Server modauthdigest module incorrectly cleared values when processing certain requests. A remote attacker could use this issue to cause the server to crash, resulting in a denial or service, or possibly obtain sensitive information...

USN-3112-1: Thunderbird vulnerabilities

Catalin Dumitru discovered that URLs of resources loaded after a navigation start could be leaked to the following page via the Resource Timing API. If a user were tricked in to opening a specially crafted website in a browsing context, an attacker could potentially exploit this to obtain sensiti...

USN-3106-1: Linux kernel vulnerability

It was discovered that a race condition existed in the memory manager of the Linux kernel when handling copy-on-write breakage of private read-only memory mappings. A local attacker could use this to gain administrative privileges...

USN-3016-3: Linux kernel (Qualcomm Snapdragon) vulnerabilities

Jesse Hertz and Tim Newsham discovered that the Linux netfilter implementation did not correctly perform validation when handling 32 bit compatibility IPTSOSETREPLACE events on 64 bit platforms. A local unprivileged attacker could use this to cause a denial of service system crash or execute...

USN-2919-1: JasPer vulnerabilities

Jacob Baines discovered that JasPer incorrectly handled ICC color profiles in JPEG-2000 image files. If a user were tricked into opening a specially crafted JPEG-2000 image file, a remote attacker could cause JasPer to crash or possibly execute arbitrary code with user privileges. CVE-2016-1577...

USN-2880-2: Firefox regression

USN-2880-1 fixed vulnerabilities in Firefox. This update introduced a regression which caused Firefox to crash on startup with some configurations. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Bob Clary, Christian Holler, Nils Ohlmeier, Gary Kwong,...

USN-2870-2: Linux kernel (Trusty HWE) vulnerability

Yevgeny Pats discovered that the session keyring implementation in the Linux kernel did not properly reference count when joining an existing session keyring. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code with administrative privilege...

USN-2872-2: Linux kernel (Wily HWE) vulnerability

Yevgeny Pats discovered that the session keyring implementation in the Linux kernel did not properly reference count when joining an existing session keyring. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code with administrative privilege...

USN-2872-1: Linux kernel vulnerability

Yevgeny Pats discovered that the session keyring implementation in the Linux kernel did not properly reference count when joining an existing session keyring. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code with administrative privilege...

USN-2860-1: Oxide vulnerabilities

A race condition was discovered in the MutationObserver implementation in Blink. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to cause a denial of service via renderer crash, or execute arbitrary code with the privileges of the...

USN-2864-1: NSS vulnerability

Karthikeyan Bhargavan and Gaetan Leurent discovered that NSS incorrectly allowed MD5 to be used for TLS 1.2 connections. If a remote attacker were able to perform a machine-in-the-middle attack, this flaw could be exploited to view sensitive information...

USN-2693-1: Bind vulnerabilities

Jonathan Foote discovered that Bind incorrectly handled certain TKEY queries. A remote attacker could use this issue with a specially crafted packet to cause Bind to crash, resulting in a denial of service. CVE-2015-5477 Pories Ediansyah discovered that Bind incorrectly handled certain...

USN-2692-1: QEMU vulnerabilities

Matt Tait discovered that QEMU incorrectly handled PIT emulation. In a non-default configuration, a malicious guest could use this issue to cause a denial of service, or possibly execute arbitrary code on the host as the user running the QEMU process. In the default installation, when QEMU is use...

USN-2574-1: OpenJDK 7 vulnerabilities

Several vulnerabilities were discovered in the OpenJDK JRE related to information disclosure, data integrity and availability. An attacker could exploit these to cause a denial of service or expose sensitive data over the network. CVE-2015-0460, CVE-2015-0469 Alexander Cherepanov discovered that...

USN-2548-1: Batik vulnerability

Nicolas Gregoire and Kevin Schaller discovered that Batik would load XML external entities by default. If a user or automated system were tricked into opening a specially crafted SVG file, an attacker could possibly obtain access to arbitrary files or cause resource consumption...

USN-2515-2: Linux kernel (Trusty HWE) vulnerabilities regression

USN-2515-1 fixed vulnerabilities in the Linux kernel. There was an unrelated regression in the use of the virtual counter CNTVCT on arm64 architectures. This update fixes the problem. We apologize for the inconvenience. Original advisory details: A flaw was discovered in the Kernel Virtual...

USN-2499-1: PostgreSQL vulnerabilities

Stephen Frost discovered that PostgreSQL incorrectly displayed certain values in error messages. An authenticated user could gain access to seeing certain values, contrary to expected permissions. CVE-2014-8161 Andres Freund, Peter Geoghegan and Noah Misch discovered that PostgreSQL incorrectly...

USN-2327-1: Squid 3 vulnerability

Matthew Daley discovered that Squid 3 did not properly perform input validation in request parsing. A remote attacker could send crafted Range requests to cause a denial of service...