USN-5526-1: PyJWT vulnerability

Aapo Oksman discovered that PyJWT incorrectly handled signatures constructed from SSH public keys. A remote attacker could use this to forge a JWT signature...

USN-5455-1: xmltok library vulnerabilities

Tim Boddy, Gustavo Grieco and others discovered that Expat, that is integrated in xmltok library, incorrectly handled certain files. An attacker could possibly use these issues to cause a denial of service, or possibly execute arbitrary code. These issues were only addressed in Ubuntu 16.04 ESM...

USN-5524-1: HarfBuzz vulnerability

It was discovered that HarfBuzz incorrectly handled certain glyph sizes. A remote attacker could use this issue to cause HarfBuzz to crash, resulting in a denial of service...

USN-5523-1: LibTIFF vulnerabilities

It was discovered that LibTIFF was not properly performing checks to guarantee that allocated memory space existed, which could lead to a NULL pointer dereference via a specially crafted file. An attacker could possibly use this issue to cause a denial of service. CVE-2022-0907, CVE-2022-0908 It...

USN-5522-1: WebKitGTK vulnerabilities

Several security issues were discovered in 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 attacks, and...

USN-5256-2: uriparser vulnerabilities

USN-5256-1 fixed several vulnerabilities in uriparser. This update provides the corresponding update for Ubuntu 14.04 ESM, Ubuntu 16.04 ESM and Ubuntu 20.04 ESM. Original advisory details: It was discovered that uriparser incorrectly handled certain memory operations. An attacker could use this t...

USN-5520-2: HTTP-Daemon vulnerability

USN-5520-1 fixed a vulnerability in HTTP-Daemon. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: It was discovered that HTTP-Daemon incorrectly handled certain crafted requests. A remote attacker could possibly use this issue to...

USN-5231-1: 389 Directory Server vulnerabilities

It was discovered that 389 Directory Server presented to users, during authentication, an error message which could be used to discover if a certain LDAP DN existed or not. A remote unauthenticated attacker could possibly use this to check the existence of an entry in a LDAP database and expose...

USN-5521-1: containerd vulnerabilities

It was discovered that containerd insufficiently restricted permissions on container root and plugin directories. If a user or automated system were tricked into launching a specially crafted container image, a remote attacker could traverse directory contents and modify files and execute program...

USN-5520-1: HTTP-Daemon vulnerability

It was discovered that HTTP-Daemon incorrectly handled certain crafted requests. A remote attacker could possibly use this issue to perform an HTTP Request Smuggling attack...

USN-5519-1: Python vulnerability

It was discovered that Python incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code...

USN-5512-1: 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, obtain sensitive information, spoof the UI, bypass CSP restrictions, or execute...

USN-5518-1: Linux kernel vulnerabilities

It was discovered that the eBPF implementation in the Linux kernel did not properly prevent writes to kernel objects in BPFBTFLOAD commands. A privileged local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2022-0500 It was discovered tha...

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-5516-1: Vim vulnerabilities

It was discovered that Vim incorrectly handled memory access. An attacker could potentially use this issue to cause the corruption of sensitive information, a crash, or arbitrary code execution...

USN-5473-2: ca-certificates update

USN-5473-1 updated ca-certificates. This update provides the corresponding update for Ubuntu 16.04 ESM. Original advisory details: The ca-certificates package contained outdated CA certificates. This update refreshes the included certificates to those contained in the 2.50 version of the Mozilla...

USN-5515-1: Linux kernel 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-5514-1: Linux kernel vulnerabilities

It was discovered that the implementation of the 6pack and mkiss protocols in the Linux kernel did not handle detach events properly in some situations, leading to a use-after-free vulnerability. A local attacker could possibly use this to cause a denial of service system crash. CVE-2022-1195...

USN-5513-1: Linux kernel (AWS) vulnerabilities

Norbert Slusarek discovered a race condition in the CAN BCM networking protocol of the Linux kernel leading to multiple use-after-free vulnerabilities. A local attacker could use this issue to execute arbitrary code. CVE-2021-3609 Likang Luo discovered that a race condition existed in the Bluetoo...

USN-5511-1: Git vulnerabilities

Carlo Marcelo Arenas Belón discovered that an issue related to CVE-2022-24765 still affected Git. An attacker could possibly use this issue to run arbitrary commands as administrator. CVE-2022-29187...

USN-5256-1: uriparser vulnerabilities

It was discovered that uriparser incorrectly handled certain memory operations. An attacker could use this to cause a denial of service. CVE-2021-46141, CVE-2021-46142...

USN-5510-2: X.Org X Server vulnerabilities

USN-5510-1 fixed several vulnerabilities in X.Org. This update provides the corresponding update for Ubuntu 16.04 ESM. Original advisory details: Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled certain inputs. An attacker could use this issue to cause the server to crash,...

USN-5510-1: X.Org X Server vulnerabilities

Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled certain inputs. An attacker could use this issue to cause the server to crash, resulting in a denial of service, or possibly execute arbitrary code and escalate privileges...

USN-5503-2: GnuPG vulnerability

USN-5503-1 fixed a vulnerability in GnuPG. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: Demi Marie Obenour discovered that GnuPG incorrectly handled injection in the status message. A remote attacker could possibly use this...

USN-5508-1: Python LDAP vulnerability

It was discovered that Python LDAP incorrectly handled certain regular expressions. An remote attacker could possibly use this issue to cause a denial of service...

USN-5509-1: Dovecot vulnerability

Julian Brook discovered that Dovecot incorrectly handled multiple passdb configuration entries. In certain configurations, a remote attacker could possibly use this issue to escalate privileges...

USN-5220-1: Composer vulnerability

It was discovered that Composer did not properly sanitize URLs for Mercurial repositories in the root composer.json and package source download URLs. A remote attacker could possibly use this issue to execute arbitrary code...

USN-5507-1: Vim vulnerabilities

It was discovered that Vim incorrectly handled memory access. An attacker could potentially use this issue to cause the program to crash, use unexpected values, or execute arbitrary code. CVE-2022-1968 It was discovered that Vim incorrectly handled memory access. An attacker could potentially use...

USN-5479-3: PHP regression

USN-5479-1 fixed vulnerabilities in PHP. Unfortunately that update for CVE-2022-31625 was incomplete for Ubuntu 18.04 LTS. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Charles Fol discovered that PHP incorrectly handled initializing certain arrays...

USN-5506-1: NSS vulnerabilities

Tavis Ormandy discovered that NSS incorrectly handled an empty pkcs7 sequence. A remote attacker could possibly use this issue to cause NSS to crash, resulting in a denial of service. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 21.10. CVE-2022-22747 Ronald Crane...

USN-5505-1: Linux kernel vulnerabilities

Norbert Slusarek discovered a race condition in the CAN BCM networking protocol of the Linux kernel leading to multiple use-after-free vulnerabilities. A local attacker could use this issue to execute arbitrary code. CVE-2021-3609 Likang Luo discovered that a race condition existed in the Bluetoo...

USN-5488-2: OpenSSL vulnerability

USN-5488-1 fixed vulnerabilities in OpenSSL. This update provides the corresponding updates for Ubuntu 16.04 ESM. Original advisory details: Chancen and Daniel Fiala discovered that OpenSSL incorrectly handled the crehash script. A local attacker could possibly use this issue to execute arbitrary...

USN-5504-1: 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, spoof the browser UI, bypass CSP restrictions, bypass sandboxed iframe restrictions, obtain sensitive...

USN-5503-1: GnuPG vulnerability

Demi Marie Obenour discovered that GnuPG incorrectly handled injection in the status message. A remote attacker could possibly use this issue to forge signatures...

USN-5502-1: OpenSSL vulnerability

Alex Chernyakhovsky discovered that OpenSSL incorrectly handled AES OCB mode when using the AES-NI assembly optimized implementation on 32-bit x86 platforms. A remote attacker could possibly use this issue to obtain sensitive information...

USN-5479-2: PHP vulnerabilities

USN-5479-1 fixed vulnerabilities in PHP. This update provides the corresponding updates for Ubuntu 16.04 ESM. Original advisory details: Charles Fol discovered that PHP incorrectly handled initializing certain arrays when handling the pgqueryparams function. A remote attacker could use this issue...

USN-5501-1: Django vulnerability

It was discovered that Django incorrectly handled certain SQL. An attacker could possibly use this issue to expose sensitive information...

USN-5500-1: Linux kernel 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 Lin Ma discovered that the NFC Controller...

USN-5493-2: Linux kernel (HWE) vulnerability

It was discovered that the 8 Devices USB2CAN interface implementation in the Linux kernel did not properly handle certain error conditions, leading to a double-free. A local attacker could possibly use this to cause a denial of service system crash...

USN-5485-2: Linux kernel (OEM) vulnerabilities

It was discovered that some Intel processors did not completely perform cleanup actions on multi-core shared buffers. A local attacker could possibly use this to expose sensitive information. CVE-2022-21123 It was discovered that some Intel processors did not completely perform cleanup actions on...

USN-5499-1: curl vulnerabilities

Florian Kohnhuser discovered that curl incorrectly handled returning a TLS server’s certificate chain details. A remote attacker could possibly use this issue to cause curl to stop responding, resulting in a denial of service. CVE-2022-27781 Harry Sintonen discovered that curl incorrectly handled...

USN-5498-1: Vim vulnerabilities

It was discovered that Vim incorrectly handled memory when opening certain files. If an attacker could trick a user into opening a specially crafted file, it could cause Vim to crash, or possible execute arbitrary code...

USN-5497-2: Libjpeg6b vulnerabilities

USN-5497-1 fixed vulnerabilities in Libjpeg6b. This update provides the corresponding updates for Ubuntu 16.04 ESM. Original advisory details: It was discovered that Libjpeg6b was not properly performing bounds checks when compressing PPM and Targa image files. An attacker could possibly use this...

USN-5497-1: Libjpeg6b vulnerabilities

It was discovered that Libjpeg6b was not properly performing bounds checks when compressing PPM and Targa image files. An attacker could possibly use this issue to cause a denial of service. CVE-2018-11212 Chijin Zhou discovered that Libjpeg6b was incorrectly handling the EOF character in input...

USN-5496-1: cloud-init vulnerability

Mike Stroyan discovered that cloud-init could log password hashes when reporting schema failures. An attacker with access to these logs could potentially use this to gain user credentials...

USN-5495-1: curl vulnerabilities

Harry Sintonen discovered that curl incorrectly handled certain cookies. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 21.10, and Ubuntu 22.04 LTS. CVE-2022-32205 Harry Sintonen discovered that curl incorrectly handled certain HTTP...

USN-5494-1: SpiderMonkey JavaScript Library vulnerabilities

It was discovered that SpiderMonkey JavaScript Library incorrectly generated certain assembly code. An remote attacker could possibly use this issue to cause a crash or expose sensitive information. CVE-2022-28285 It was discovered that SpiderMonkey JavaScript Library incorrectly generated certai...

USN-5493-1: Linux kernel vulnerability

It was discovered that the 8 Devices USB2CAN interface implementation in the Linux kernel did not properly handle certain error conditions, leading to a double-free. A local attacker could possibly use this to cause a denial of service system crash...

USN-5492-1: Vim vulnerability

It was discovered that Vim incorrectly handled memory when opening and searching the contents of certain files. If an attacker could trick a user into opening a specially crafted file, it could cause Vim to crash...

USN-5487-3: Apache HTTP Server regression

USN-5487-1 fixed several vulnerabilities in Apache HTTP Server. Unfortunately it caused regressions. USN-5487-2 reverted the patches that caused the regression in Ubuntu 14.04 ESM for further investigation. This update re-adds the security fixes for Ubuntu 14.04 ESM and fixes two different...