USN-4292-1: rsync vulnerabilities

It was discovered that rsync incorrectly handled pointer arithmetic in zlib. An attacker could use this issue to cause rsync to crash, resulting in a denial of service, or possibly execute arbitrary code. CVE-2016-9840, CVE-2016-9841 It was discovered that rsync incorrectly handled vectors...

USN-3986-1: Wireshark vulnerabilities

It was discovered that Wireshark improperly handled certain input. A remote or local attacker could cause Wireshark to crash by injecting malform packets onto the wire or convincing someone to read a malformed packet trace file...

USN-3858-1: HAProxy vulnerabilities

It was discovered that HAProxy incorrectly handled certain requests. An attacker could possibly use this to expose sensitive information. CVE-2018-20102 It was discovered that HAProxy incorrectly handled certain requests. A attacker could possibly use this issue to cause a denial of service. This...

USN-5484-1: Linux kernel vulnerabilities

It was discovered that the Linux kernel did not properly restrict access to the kernel debugger when booted in secure boot environments. A privileged attacker could use this to bypass UEFI Secure Boot restrictions. CVE-2022-21499 It was discovered that a race condition existed in the network...

USN-5431-1: GnuPG vulnerability

It was discovered that GnuPG was not properly processing keys with large amounts of signatures. An attacker could possibly use this issue to cause a denial of service...

USN-5402-2: OpenSSL vulnerabilities

USN-5402-1 fixed several vulnerabilities in OpenSSL. This update provides the corresponding update for Ubuntu 16.04 ESM. Original advisory details: Elison Niven discovered that OpenSSL incorrectly handled the crehash script. A local attacker could possibly use this issue to execute arbitrary...

USN-5324-1: libxml2 vulnerability

It was discovered that libxml2 incorrectly handled certain XML files. An attacker could use this issue to cause libxml2 to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-5293-1: c3p0 vulnerability

Aaron Massey discovered that c3p0 could be made to crash when parsing certain input. An attacker able to modify the application's XML configuration file could cause a denial of service...

USN-4618-1: tmux vulnerability

Sergey Nizovtsev discovered that tmux incorrectly handled some inputs. An attacker could possibly use this issue to cause a crash or execute arbitrary code...

USN-4547-2: SSVNC vulnerabilities

It was discovered that the LibVNCClient vendored in SSVNC incorrectly handled certain packet lengths. A remote attacker could possibly use this issue to obtain sensitive information, cause a denial of service, or execute arbitrary code. CVE-2018-20020, CVE-2018-20021, CVE-2018-20022, CVE-2018-202...

USN-4186-2: Linux kernel (Xenial HWE) vulnerabilities

USN-4186-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 16.04 LTS for Ubuntu 14.04 ESM. Stephan van Schaik, Alyssa Milburn, Sebastian Österlund, Pietro Frigo, Kaveh Razavi,...

USN-4151-1: Python vulnerabilities

It was discovered that Python incorrectly parsed certain email addresses. A remote attacker could possibly use this issue to trick Python applications into accepting email addresses that should be denied. CVE-2019-16056 It was discovered that the Python documentation XML-RPC server incorrectly...

USN-3991-3: Firefox regression

USN-3991-1 fixed vulnerabilities in Firefox, and USN-3991-2 fixed a subsequent regression. The update caused an additional regression that resulted in Firefox failing to load correctly after executing it in safe mode. This update fixes the problem. We apologize for the inconvenience. Original...

USN-7096-2: OpenJDK 8 regressions

USN-7096-1 fixed vulnerabilities in OpenJDK 8. The update introduced several minor regressions. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Andy Boothe discovered that the Networking component of OpenJDK 8 did not properly handle access under...

USN-5662-1: Oniguruma vulnerabilities

It was discovered that Oniguruma incorrectly handled certain regular expressions. An attacker could possibly use this issue to cause a denial of service, obtain sensitive information or other unspecified impact. This issue only affected Ubuntu 16.04 ESM and Ubuntu 18.04 ESM. CVE-2019-16163,...

USN-5488-1: OpenSSL vulnerability

Chancen and Daniel Fiala discovered that OpenSSL incorrectly handled the crehash script. A local attacker could possibly use this issue to execute arbitrary commands when crehash is run...

USN-5321-2: Firefox vulnerabilities

USN-5321-1 fixed vulnerabilities in Firefox. The update didn't include arm64 because of a regression. This update provides the corresponding update for arm64. This update also removes Yandex and Mail.ru as optional search providers in the drop-down search menu. Original advisory details: Multiple...

USN-5115-1: Linux kernel (OEM) 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 Ofek Kirzner, Adam Morrison, Benedict Schlueter, and Piotr Krysiuk discovered that the BPF...

USN-4966-2: libx11 vulnerability

USN-4966-1 fixed a vulnerability in libx11. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: It was discovered that libx11 incorrectly validated certain parameter lengths. A remote attacker could possibly use this issue to trick...

USN-4909-1: Linux kernel vulnerabilities

Loris Reiff discovered that the BPF implementation in the Linux kernel did not properly validate attributes in the getsockopt BPF hook. A local attacker could possibly use this to cause a denial of service system crash. CVE-2021-20194 Olivier Benjamin, Norbert Manthey, Martin Mazein, and Jan H...

USN-4893-1: Firefox vulnerabilities

Multiple security issues were discovered in Firefox. If a user were tricked into opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, obtain sensitive information, or execute arbitrary code. CVE-2021-23981, CVE-2021-23982, CVE-2021-23983,...

USN-4526-1: Linux kernel vulnerabilities

It was discovered that the AMD Cryptographic Coprocessor device driver in the Linux kernel did not properly deallocate memory in some situations. A local attacker could use this to cause a denial of service memory exhaustion. CVE-2019-18808 It was discovered that the Conexant 23885 TV card device...

USN-4090-1: PostgreSQL vulnerabilities

Tom Lane discovered that PostgreSQL did not properly restrict functions declared as "SECURITY DEFINER". An attacker could use this to execute arbitrary SQL with the permissions of the function owner. CVE-2019-10208 Andreas Seltenreich discovered that PostgreSQL did not properly handle user-define...

USN-3906-2: LibTIFF vulnerabilities

USN-3906-1 and USN-3864-1 fixed several vulnerabilities in LibTIFF. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: It was discovered that LibTIFF incorrectly handled certain malformed images. If a user or automated system were tricked into opening a...

USN-6386-1: Linux kernel vulnerabilities

Jana Hofmann, Emanuele Vannacci, Cedric Fournet, Boris Kopf, and Oleksii Oleksenko discovered that some AMD processors could leak stale data from division operations in certain situations. A local attacker could possibly use this to expose sensitive information. CVE-2023-20588 It was discovered...

USN-5490-1: Protocol Buffers vulnerability

It was discovered that Protocol Buffers did not properly parse certain symbols. An attacker could possibly use this issue to cause a denial of service or other unspecified impact...

USN-5300-2: PHP vulnerabilities

USN-5300-1 fixed vulnerabilities in PHP. This update provides the corresponding updates for Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. Original advisory details: It was discovered that PHP incorrectly handled certain scripts. An attacker could possibly use this issue to cause a denial of service...

USN-5117-1: Linux kernel (OEM) vulnerabilities

It was discovered that the btrfs file system in the Linux kernel did not properly handle removing a non-existent device id. An attacker with CAPSYSADMIN could use this to cause a denial of service. CVE-2021-3739 It was discovered that the Qualcomm IPC Router protocol implementation in the Linux...

USN-5111-2: strongSwan vulnerability

USN-5111-1 fixed a vulnerability in strongSwan. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: It was discovered that strongSwan incorrectly handled replacing certificates in the cache. A remote attacker could use this issue to...

USN-4689-2: Linux kernel vulnerabilities

USN-4689-1 fixed vulnerabilities in the NVIDIA graphics drivers. This update provides the corresponding updates for the NVIDIA Linux DKMS kernel modules. Original advisory details: It was discovered that the NVIDIA GPU display driver for the Linux kernel contained a vulnerability that allowed...

USN-4018-1: Samba vulnerabilities

It was discovered that Samba incorrectly handled certain RPC messages. A remote attacker could possibly use this issue to cause Samba to crash, resulting in a denial of service. CVE-2019-12435 It was discovered that Samba incorrectly handled LDAP pages searches. A remote attacker could possibly u...

USN-6581-1: GNU binutils vulnerabilities

It was discovered that GNU binutils was not properly performing bounds checks in several functions, which could lead to a buffer overflow. An attacker could possibly use this issue to cause a denial of service, expose sensitive information or execute arbitrary code. CVE-2022-44840, CVE-2022-45703...

USN-6159-1: Tornado vulnerability

It was discovered that Tornado incorrectly handled certain redirect. An remote attacker could possibly use this issue to redirect a user to an arbitrary web site and conduct a phishing attack by having user access a specially crafted URL...

USN-5891-1: curl vulnerabilities

Harry Sintonen discovered that curl incorrectly handled HSTS support when multiple URLs are requested serially. A remote attacker could possibly use this issue to cause curl to use unencrypted connections. This issue only affected Ubuntu 22.04 LTS, and Ubuntu 22.10. CVE-2023-23914 Harry Sintonen...

USN-5517-1: Linux kernel (OEM) vulnerabilities

It was discovered that the Atheros ath9k wireless device driver in the Linux kernel did not properly handle some error conditions, 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-2022-1679...

USN-4754-5: Python vulnerability

USN-4754-1 fixed vulnerabilities in Python. Because of a regression, a subsequent update removed the fix for CVE-2021-3177. This update reinstates the security fix for CVE-2021-3177 in Ubuntu 14.04 ESM. Original advisory details: It was discovered that Python incorrectly handled certain inputs. A...

USN-5091-2: Linux kernel (Raspberry Pi) vulnerabilities

Ofek Kirzner, Adam Morrison, Benedict Schlueter, and Piotr Krysiuk discovered that the BPF verifier in the Linux kernel missed possible mispredicted branches due to type confusion, allowing a side-channel attack. An attacker could use this to expose sensitive information. CVE-2021-33624 It was...

USN-5092-2: Linux kernel vulnerabilities

Valentina Palmiotti discovered that the iouring subsystem in the Linux kernel could be coerced to free adjacent memory. A local attacker could use this to execute arbitrary code. CVE-2021-41073 Ofek Kirzner, Adam Morrison, Benedict Schlueter, and Piotr Krysiuk discovered that the BPF verifier in...

USN-5092-1: Linux kernel vulnerabilities

Valentina Palmiotti discovered that the iouring subsystem in the Linux kernel could be coerced to free adjacent memory. A local attacker could use this to execute arbitrary code. CVE-2021-41073 Ofek Kirzner, Adam Morrison, Benedict Schlueter, and Piotr Krysiuk discovered that the BPF verifier in...

USN-4947-1: Linux kernel (OEM) vulnerabilities

Kiyin 尹亮 discovered that the x25 implementation in the Linux kernel contained overflows when handling addresses from user space. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2020-35519 It was discovered that the fastrpc driver i...

USN-4899-2: SpamAssassin vulnerability

USN-4899-1 fixed a vulnerability in SpamAssassin. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: Damian Lukowski discovered that SpamAssassin incorrectly handled certain CF files. If a user or automated system were tricked into using a specially-...

USN-4333-1: Python vulnerabilities

It was discovered that Python incorrectly stripped certain characters from requests. A remote attacker could use this issue to perform CRLF injection. CVE-2019-18348 It was discovered that Python incorrectly handled certain HTTP requests. An attacker could possibly use this issue to cause a denia...

USN-4211-2: Linux kernel (Xenial HWE) vulnerabilities

USN-4211-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 16.04 LTS for Ubuntu 14.04 ESM. Zhipeng Xie discovered that an infinite loop could be triggered in the CFS Linux kerne...

USN-3993-1: curl vulnerabilities

Wenchao Li discovered that curl incorrectly handled memory in the curlurlset function. 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 19.04. CVE-2019-5435 It was discovered that...

USN-3975-1: OpenJDK vulnerabilities

It was discovered that the BigDecimal implementation in OpenJDK performed excessive computation when given certain values. An attacker could use this to cause a denial of service excessive CPU usage. CVE-2019-2602 Corwin de Boor and Robert Xiao discovered that the RMI registry implementation in...

USN-3848-1: Linux kernel vulnerabilities

It was discovered that a double free existed in the AMD GPIO driver in the Linux kernel. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2017-18174 It was discovered that an integer overrun vulnerability existed in the POSIX timers...

USN-3822-2: Linux kernel (Trusty HWE) vulnerabilities

USN-3822-1 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. Jim Mattson discovered that the KVM implementation in the Linux kernel mismanages the ...

USN-2166-1: Net-SNMP vulnerabilities

Ken Farnen discovered that Net-SNMP incorrectly handled AgentX timeouts. A remote attacker could use this issue to cause the server to crash or to hang, resulting in a denial of service. CVE-2012-6151 It was discovered that the Net-SNMP ICMP-MIB incorrectly validated input. A remote attacker coul...

USN-6561-1: libssh vulnerability

Fabian Bäumer, Marcus Brinkmann, Jörg Schwenk discovered that the SSH protocol was vulnerable to a prefix truncation attack. If a remote attacker was able to intercept SSH communications, extension negotiation messages could be truncated, possibly leading to certain algorithms and features being...

USN-5432-1: libpng vulnerabilities

It was discovered that libpng incorrectly handled memory when parsing certain PNG files. If a user or automated system were tricked into opening a specially crafted PNG file, an attacker could use this issue to cause libpng to crash, resulting in a denial of service, or possible execute arbitrary...