USN-6591-1: Postfix vulnerability

Timo Longin discovered that Postfix incorrectly handled certain email line endings. A remote attacker could possibly use this issue to bypass an email authentication mechanism, allowing domain spoofing and potential spamming. Please note that certain configuration changes are required to address...

USN-6590-1: Xerces-C++ vulnerabilities

It was discovered that Xerces-C++ was not properly handling memory management operations when parsing XML data containing external DTDs, which could trigger a use-after-free error. If a user or automated system were tricked into processing a specially crafted XML document, an attacker could...

USN-6589-1: FileZilla vulnerability

Fabian Baeumer, Marcus Brinkmann and Joerg Schwenk discovered that the SSH protocol used in FileZilla is prone to a prefix truncation attack, known as the "Terrapin attack". A remote attacker could use this issue to downgrade or disable some security features and obtain sensitive information...

USN-6588-1: PAM vulnerability

Matthias Gerstner discovered that the PAM pamnamespace module incorrectly handled special files when performing directory checks. A local attacker could possibly use this issue to cause PAM to stop responding, resulting in a denial of service...

USN-6538-2: PostgreSQL vulnerabilities

USN-6538-1 fixed several vulnerabilities in PostgreSQL. This update provides the corresponding updates for Ubuntu 18.04 LTS. Original advisory details: Jingzhou Fu discovered that PostgreSQL incorrectly handled certain unknown arguments in aggregate function calls. A remote attacker could possibl...

USN-6559-1: ZooKeeper vulnerabilities

It was discovered that ZooKeeper incorrectly handled authorization for the getACL command. A remote attacker could possibly use this issue to obtain sensitive information. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. CVE-2019-0201 Damien Diederen discovered that ZooKeeper...

USN-6587-1: X.Org X Server vulnerabilities

Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled memory when processing the DeviceFocusEvent and ProcXIQueryPointer APIs. An attacker could possibly use this issue to cause the X Server to crash, obtain sensitive information, or execute arbitrary code. CVE-2023-6816 Jan-Nikl...

USN-6586-1: FreeImage vulnerabilities

It was discovered that FreeImage incorrectly handled certain memory operations. If a user were tricked into opening a crafted TIFF file, a remote attacker could use this issue to cause a heap buffer overflow, resulting in a denial of service attack. This issue only affected Ubuntu 16.04 LTS and...

USN-6579-2: Xerces-C++ vulnerability

USN-6579-1 fixed a vulnerability in Xerces-C++. This update provides the corresponding update for Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 23.04 and Ubuntu 23.10. Original advisory details: It was discovered that Xerces-C++ was not properly handling memory management operations when parsing XML...

USN-6585-1: libssh2 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-6584-1: Libspf2 vulnerabilities

Philipp Jeitner and Haya Shulman discovered that Libspf2 incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to cause a denial of service or execute arbitrary code...

USN-6583-1: MySQL vulnerabilities

Multiple security issues were discovered in MySQL and this update includes new upstream MySQL versions to fix these issues. MySQL has been updated to 5.7.44 in Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. In addition to security fixes, the updated packages contain bug fixes, new features, and possibly...

USN-6582-1: WebKitGTK vulnerability

Several 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 attacks, and...

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-6580-1: w3m vulnerability

It was discovered that w3m incorrectly handled certain HTML files. An attacker could possibly use this issue to cause a crash or execute arbitrary code...

USN-6579-1: Xerces-C++ vulnerability

It was discovered that Xerces-C++ was not properly handling memory management operations when parsing XML data containing external DTDs, which could trigger a use-after-free error. If a user or automated system were tricked into processing a specially crafted XML document, an attacker could...

USN-6560-2: OpenSSH vulnerabilities

USN-6560-1 fixed several vulnerabilities in OpenSSH. This update provides the corresponding update for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. Original advisory details: Fabian Bäumer, Marcus Brinkmann, Jörg Schwenk discovered that the SSH protocol was vulnerable to a prefix truncation attack. If ...

USN-6578-1: .NET vulnerabilities

Vishal Mishra and Anita Gaud discovered that .NET did not properly validate X.509 certificates with malformed signatures. An attacker could possibly use this issue to bypass an application's typical authentication logic. CVE-2024-0057 Morgan Brown discovered that .NET did not properly handle...

USN-6574-1: Go vulnerabilities

Takeshi Kaneko discovered that Go did not properly handle comments and special tags in the script context of html/template module. An attacker could possibly use this issue to inject Javascript code and perform a cross site scripting attack. This issue only affected Go 1.20 in Ubuntu 20.04 LTS,...

USN-6562-2: Firefox regressions

USN-6562-1 fixed vulnerabilities in Firefox. The update introduced several minor regressions. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Multiple security issues were discovered in Firefox. If a user were tricked into opening a specially crafted...

USN-6577-1: Linux kernel (AWS) 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-6549-5: Linux kernel vulnerabilities

It was discovered that the USB subsystem in the Linux kernel contained a race condition while handling device descriptors in certain situations, leading to a out-of-bounds read vulnerability. A local attacker could possibly use this to cause a denial of service system crash. CVE-2023-37453 Lin Ma...

USN-6548-5: Linux kernel (IoT) vulnerabilities

It was discovered that Spectre-BHB mitigations were missing for Ampere processors. A local attacker could potentially use this to expose sensitive information. CVE-2023-3006 It was discovered that the USB subsystem in the Linux kernel contained a race condition while handling device descriptors i...

USN-6576-1: Linux kernel (OEM) vulnerability

Lonial Con discovered that the netfilter subsystem in the Linux kernel did not properly handle an expired catchall element in some situations, 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...

USN-6575-1: Twisted vulnerabilities

It was discovered that Twisted incorrectly escaped host headers in certain 404 responses. A remote attacker could possibly use this issue to perform HTML and script injection attacks. This issue only affected Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. CVE-2022-39348 It was discovered that Twisted...

USN-6541-2: GNU C Library regression

USN-6541-1 fixed vulnerabilities in the GNU C Library. Unfortunately, changes made to allow proper application of the fix for CVE-2023-4806 in Ubuntu 22.04 LTS introduced an issue in the NSCD service IPv6 processing functionalities. This update fixes the problem. We apologize for the inconvenienc...

USN-6548-4: Linux kernel (GKE) vulnerabilities

It was discovered that Spectre-BHB mitigations were missing for Ampere processors. A local attacker could potentially use this to expose sensitive information. CVE-2023-3006 It was discovered that the USB subsystem in the Linux kernel contained a race condition while handling device descriptors i...

USN-6573-1: Linux kernel (Azure) vulnerabilities

Lucas Leong discovered that the netfilter subsystem in the Linux kernel did not properly validate some attributes passed from userspace. A local attacker could use this to cause a denial of service system crash or possibly expose sensitive information kernel memory. CVE-2023-39189 Kyle Zeng...

USN-6572-1: Linux kernel (Azure) vulnerabilities

Yu Hao discovered that the UBI driver in the Linux kernel did not properly check for MTD with zero erasesize during device attachment. A local privileged attacker could use this to cause a denial of service system crash. CVE-2023-31085 Bien Pham discovered that the netfiler subsystem in the Linux...

USN-6571-1: Monit vulnerability

Youssef Rebahi-Gilbert discovered that Monit did not properly process credentials for disabled accounts. An attacker could possibly use this issue to login to the platform with an expired account and a valid password...

USN-6038-2: Go vulnerabilities

USN-6038-1 fixed several vulnerabilities in Go 1.18. This update provides the corresponding updates for Go 1.13 and Go 1.16. CVE-2022-29526 and CVE-2022-30630 only affected Go 1.16. Original advisory details: It was discovered that the Go net/http module incorrectly handled Transfer-Encoding...

USN-6570-1: PostgreSQL vulnerabilities

Pedro Gallegos discovered that PostgreSQL incorrectly handled modifying certain SQL array values. A remote attacker could use this issue to obtain sensitive information, or possibly execute arbitrary code. CVE-2023-5869 Hemanth Sandrana and Mahendrakar Srinivasarao discovered that PostgreSQL...

USN-6569-1: libclamunrar vulnerabilities

it was discovered that libclamunrar incorrectly handled directories when extracting RAR archives. A remote attacker could possibly use this issue to overwrite arbitrary files and execute arbitrary code. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 23.04. CVE-2022-30333 ...

USN-6568-1: ClamAV update

The ClamAV package was updated to a new upstream version to remain compatible with signature database downloads...

USN-6567-1: QEMU vulnerabilities

Gaoning Pan and Xingwei Li discovered that QEMU incorrectly handled the USB xHCI controller device. A privileged guest attacker could possibly use this issue to cause QEMU to crash, leading to a denial of service. This issue only affected Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. CVE-2020-14394 It w...

USN-6499-2: GnuTLS vulnerability

USN-6499-1 fixed vulnerabilities in GnuTLS. This update provides the corresponding update for Ubuntu 18.04 LTS. Original advisory details: It was discovered that GnuTLS had a timing side-channel when handling certain RSA-PSK key exchanges. A remote attacker could possibly use this issue to recove...

USN-6549-4: Linux kernel (Intel IoTG) vulnerabilities

It was discovered that the USB subsystem in the Linux kernel contained a race condition while handling device descriptors in certain situations, leading to a out-of-bounds read vulnerability. A local attacker could possibly use this to cause a denial of service system crash. CVE-2023-37453 Lin Ma...

USN-6566-1: SQLite vulnerabilities

It was discovered that SQLite incorrectly handled certain protection mechanisms when using a CLI script with the --safe option, contrary to expectations. This issue only affected Ubuntu 22.04 LTS. CVE-2022-46908 It was discovered that SQLite incorrectly handled certain memory operations in the...

USN-6565-1: OpenSSH vulnerabilities

It was discovered that OpenSSH incorrectly handled supplemental groups when running helper programs for AuthorizedKeysCommand and AuthorizedPrincipalsCommand as a different user. An attacker could possibly use this issue to escalate privileges. This issue only affected Ubuntu 20.04 LTS...

USN-6564-1: Node.js vulnerabilities

Hubert Kario discovered that Node.js incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to obtain sensitive information. CVE-2022-4304 CarpetFuzz, Dawei Wang discovered that...

USN-6563-1: 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, bypass security restrictions, cross-site tracing,...

USN-6562-1: 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 across domains, or execute arbitrary code.CVE-2023-6865, CVE-2023-6857,...

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-6560-1: OpenSSH vulnerabilities

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-6488-2: strongSwan vulnerability

USN-6488-1 fixed a vulnerability in strongSwan. This update provides the corresponding updates for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. Original advisory details: Florian Picca discovered that strongSwan incorrectly handled certain DH public values. A remote attacker could use this issue to cau...

USN-6557-1: Vim vulnerabilities

It was discovered that Vim could be made to dereference invalid memory. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 22.04 LTS. CVE-2022-1725 It was discovered that Vim could be made to recurse...

USN-6233-2: YAJL vulnerabilities

USN-6233-1 fixed vulnerabilities in YAJL. This update provides the corresponding updates for Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 23.04. Original advisory details: It was discovered that YAJL was not properly performing bounds checks when decoding a string with escape sequences. If a us...

USN-6558-1: audiofile vulnerabilities

It was discovered that audiofile could be made to dereference invalid memory. If a user or an automated system were tricked into opening a specially crafted file, an attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS...

USN-6556-1: Budgie Extras vulnerabilities

It was discovered that Budgie Extras incorrectly handled certain temporary file paths. An attacker could possibly use this issue to inject false information or deny access to the application. CVE-2023-49342, CVE-2023-49343, CVE-2023-49347 Matthias Gerstner discovered that Budgie Extras incorrectl...

USN-6546-2: LibreOffice vulnerabilities

USN-6546-1 fixed vulnerabilities in LibreOffice. This update provides the corresponding updates for Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. Original advisory details: Reginaldo Silva discovered that LibreOffice incorrectly handled filenames when passing embedded videos to GStreamer. If a user were...