USN-4686-1: Ghostscript vulnerabilities

It was discovered that Ghostscript incorrectly handled certain image files. If a user or automated system were tricked into processing a specially crafted file, a remote attacker could use this issue to cause Ghostscript to crash, resulting in a denial of service, or possibly execute arbitrary co...

USN-4684-1: EDK II vulnerabilities

Laszlo Ersek discovered that EDK II incorrectly validated certain signed images. An attacker could possibly use this issue with a specially crafted image to cause EDK II to hang, resulting in a denial of service. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS...

USN-4682-1: WavPack vulnerability

It was discovered that WavPack incorrectly handled certain WAV files. An attacker could possibly use this issue to execute arbitrary code or cause a crash...

USN-4680-1: Linux kernel vulnerabilities

It was discovered that debugfs in the Linux kernel as used by blktrace contained a use-after-free in some situations. A privileged local attacker could possibly use this to cause a denial of service system crash. CVE-2019-19770 It was discovered that a race condition existed in the binder IPC...

USN-4675-1: OpenStack Horizon vulnerability

Pritam Singh discovered that OpenStack Horizon incorrectly validated certain parameters. An attacker could possibly use this issue to cause OpenStack Horizon to redirect to a malicious URL...

USN-4674-2: Dovecot vulnerability

USN-4674-1 fixed a vulnerability in Dovecot. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: Innokentii Sennovskiy discovered that Dovecot incorrectly handled MIME parsing. A remote attacker could possibly use this issue to cause Dovecot to crash,...

USN-4660-2: Linux kernel regression

USN-4660-1 fixed vulnerabilities in the Linux kernel. Unfortunately, that update introduced a regression in the software raid10 driver when used with fstrim that could lead to data corruption. This update fixes the problem. Original advisory details: It was discovered that a race condition existe...

USN-4658-2: Linux kernel regression

USN-4658-1 fixed vulnerabilities in the Linux kernel. Unfortunately, that update introduced a regression in the software raid10 driver when used with fstrim that could lead to data corruption. This update fixes the problem. Original advisory details: It was discovered that a race condition existe...

USN-4669-1: SquirrelMail vulnerability

It was discovered that a cross-site scripting XSS vulnerability in SquirrelMail allows remote attackers to use malicious script content from HTML e-mail to execute code and/or provoke a denial of service...

USN-4665-2: curl vulnerabilities

USN-4665-1 fixed several vulnerabilities in curl. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Original advisory details: Varnavas Papaioannou discovered that curl incorrectly handled FTP PASV responses. An attacker could possibly use this issue to tric...

USN-4665-1: curl vulnerabilities

Marc Aldorasi discovered that curl incorrectly handled the libcurl CURLOPTCONNECTONLY option. This could result in data being sent to the wrong destination, possibly exposing sensitive information. This issue only affected Ubuntu 20.10. CVE-2020-8231 Varnavas Papaioannou discovered that curl...

USN-4656-2: X.Org X Server vulnerabilities

USN-4656-1 fixed several vulnerabilities in X.Org. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: Jan-Niklas Sohn discovered that the X.Org X Server XKB extension incorrectly handled certain inputs. A local attacker could possibly use this issue to...

USN-4661-1: Snapcraft vulnerability

It was discovered that Snapcraft includes the current directory when configuring LDLIBRARYPATH for application commands. If a user were tricked into installing a malicious snap or downloading a malicious library, under certain circumstances an attacker could exploit this to affect strict mode sna...

USN-4657-1: Linux kernel vulnerabilities

Elena Petrova discovered that the pin controller device tree implementation in the Linux kernel did not properly handle string references. A local attacker could use this to expose sensitive information kernel memory. CVE-2020-0427 Daniele Antonioli, Nils Ole Tippenhauer, and Kasper Rasmussen...

USN-4652-1: SniffIt vulnerability

It was discovered that SniffIt incorrectly handled certain configuration files. An attacker could possibly use this issue to execute arbitrary code...

USN-4644-1: igraph vulnerability

It was discovered that igraph mishandled certain malformed XML. An attacker could use this vulnerability to cause a denial of service crash...

USN-4382-2: FreeRDP vulnerabilities

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

USN-4646-2: poppler regression

USN-4646-1 fixed vulnerabilities in poppler. The fix for CVE-2019-10871 introduced a regression causing certain applications linked against poppler to fail. This update backs out the fix pending further investigation. We apologize for the inconvenience. Original advisory details: It was discovere...

USN-4648-1: WebKitGTK vulnerabilities

A large number of security issues were discovered in the WebKitGTK Web and JavaScript engines. If a user were tricked into viewing a malicious website, a remote attacker could exploit a variety of issues related to web browser security, including cross-site scripting attacks, denial of service...

USN-4643-1: atftp vulnerabilities

It was discovered that atftp's FTP server did not properly handler certain input. An attacker could use this to to cause a denial of service crash or possibly execute arbitrary code. CVE-2019-11365 It was discovered that atftp's FTP server did not make proper use of mutexes when locking certain...