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Ubuntu Security Notices (USN)

Source: https://ubuntu.com/security/notices

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  • High max 8.8
    USN-8322-1 1 CVE

    commons-beanutils vulnerability

    It was discovered that Apache Commons BeanUtils incorrectly allowed access to the declaredClass property of Java enum objects when handling externally supplied property paths. An attacker could possibly use this issue to execute arbitrary code.

  • High max 7.8
    USN-8318-1 1 CVE

    libcaca vulnerability

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

  • High max 8.8
    USN-8303-1 5 CVEs

    python-git vulnerabilities

    Santos Gallegos discovered that GitPython did not properly validate paths when resolving certain Git references. An attacker could possibly use this issue to cause files outside the .git directory to be accessed, leading to a denial of service. This issue onl…

    first May 26, 2026
  • High max 8.8
    USN-8307-1 1 CVE

    onnx vulnerability

    It was discovered that ONNX did not properly validate paths when extracting tar archives during model downloads. An attacker could possibly use this issue to overwrite arbitrary files on the system.

  • High max 7.5
    USN-8308-1 1 CVE

    dnsmasq vulnerability

    It was discovered that Dnsmasq incorrectly handled BOOTREPLY packets when configured with the --dhcp-split-relay option. A remote attacker could use this issue to cause Dnsmasq to crash, resulting in a denial of service, or possibly execute arbitrary code.

  • High max 7.5
    USN-5328-1 1 CVE

    openssl, openssl1.0 vulnerability

    Tavis Ormandy discovered that OpenSSL incorrectly parsed certain certificates. A remote attacker could possibly use this issue to cause OpenSSH to stop responding, resulting in a denial of service.

    first Mar 15, 2022
  • High max 7.5
    USN-8292-1 3 CVEs

    libarchive vulnerabilities

    It was discovered that libarchive incorrectly handled certain RAR archives. An attacker could possibly use this issue to cause an out-of-bounds read via a crafted RAR archive, leading to sensitive memory disclosure. (CVE-2026-4424) It was discovered that liba…

  • High max 7.5
    USN-8290-1 1 CVE

    node-path-to-regexp vulnerability

    It was discovered that Path-to-Regexp incorrectly handled route patterns containing multiple named parameters separated by non-delimiter characters such as hyphens. An attacker could possibly use this issue to cause a denial of service via catastrophic backtr…

  • High max 7.8
    USN-8248-1 3 CVEs

    nasm vulnerabilities

    Daisy Chen discovered that NASM was vulnerable to a heap buffer overflow when handling certain input. An attacker could possibly use this issue to cause NASM to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2023-31722) It w…

    first May 7, 2026
  • High max 7.5
    USN-8249-1 1 CVE

    dpkg vulnerability

    Yashashree Gund discovered that the dpkg dpkg-deb tool incorrectly handled certain zstd-compressed .deb archives. If a user or automated system were tricked into manipulating a specially crafted .deb archive, a remote attacker could possibly use this issue to…

    first May 7, 2026
  • High max 7.5
    USN-8231-1 1 CVE

    python-dynaconf vulnerability

    It was discovered that Dynaconf was incorrectly handling template evaluation in its string resolvers. A remote attacker could possibly use this issue to execute arbitrary code.

    first May 6, 2026
  • High max 7.5
    USN-3809-1 2 CVEs

    openssh vulnerabilities

    Robert Swiecki discovered that OpenSSH incorrectly handled certain messages. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2016-10708) It was discovered that OpenSS…

    first Nov 6, 2018
  • High max 7.5
    USN-3826-1 10 CVEs

    qemu vulnerabilities

    Daniel Shapira and Arash Tohidi discovered that QEMU incorrectly handled NE2000 device emulation. An attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service. (CVE-2018-10839) It was discovered that QEMU incorrec…

    first Nov 26, 2018
  • High max 8.0
    USN-8217-1 4 CVEs

    node-follow-redirects vulnerabilities

    It was discovered that follow-redirects did not properly protect sensitive user information during redirects. An attacker could possibly use this issue to expose sensitive information. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2022-…

    first Apr 28, 2026
  • High max 7.5
    USN-5550-1 2 CVEs

    gnutls28 vulnerabilities

    It was discovered that GnuTLS incorrectly handled certain memory operations. A remote attacker could possibly use this issue to cause GnuTLS to crash, resulting in a denial of service. This issue only affected Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. (CVE-2021…

    first Aug 4, 2022
  • High max 7.5
    USN-5388-2 6 CVEs

    openjdk-17 vulnerabilities

    It was discovered that OpenJDK incorrectly verified ECDSA signatures. An attacker could use this issue to bypass the signature verification process. (CVE-2022-21449) It was discovered that OpenJDK incorrectly limited memory when compiling a specially crafted …

    first Apr 26, 2022
  • High max 7.5
    USN-5138-1 1 CVE

    python-py vulnerability

    The py.path.svnwc component of py (aka python-py) through v1.9.0 contains a regular expression with an ambiguous subpattern that is susceptible to catastrophic backtracing. This could be used by attackers to cause a compute-time denial of service attack by su…

    first Nov 10, 2021
  • High max 7.8
    USN-5547-1 3 CVEs

    nvidia-graphics-drivers-390, nvidia-graphics-drivers-450-server, nvidia-graphics-drivers-470, nvidia-graphics-drivers-470-server, nvidia-graphics-drivers-510, nvidia-graphics-drivers-510-server, nvidia-graphics-drivers-515, nvidia-graphics-drivers-515-server vulnerabilities

    Le Wu discovered that the NVIDIA graphics drivers did not properly perform input validation in some situations. A local user could use this to cause a denial of service or possibly execute arbitrary code. (CVE-2022-31607) Tal Lossos discovered that the NVIDIA…

    first Aug 3, 2022
  • High max 8.8
    USN-5260-1 3 CVEs

    samba vulnerabilities

    Orange Tsai discovered that the Samba vfs_fruit module incorrectly handled certain memory operations. A remote attacker could use this issue to cause Samba to crash, resulting in a denial of service, or possibly execute arbitrary code as root. (CVE-2021-44142…

    first Feb 1, 2022
  • High max 7.5
    USN-4416-1 11 CVEs

    glibc vulnerabilities

    Florian Weimer discovered that the GNU C Library incorrectly handled certain memory operations. A remote attacker could use this issue to cause the GNU C Library to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only a…

    first Jul 6, 2020
  • High max 8.1
    USN-4954-1 2 CVEs

    glibc vulnerabilities

    Jason Royes and Samuel Dytrych discovered that the memcpy() implementation for 32 bit ARM processors in the GNU C Library contained an integer underflow vulnerability. An attacker could possibly use this to cause a denial of service (application crash) or exe…

    first May 14, 2021
  • High max 7.5
    USN-5525-1 1 CVE

    libxml-security-java vulnerability

    It was discovered that Apache XML Security for Java incorrectly passed a configuration property when creating specific key elements. This allows an attacker to abuse an XPath Transform to extract sensitive information.

    first Jul 20, 2022
  • High max 8.2
    USN-8170-1 2 CVEs

    corosync vulnerabilities

    It was discovered that Corosync incorrectly handled the membership commit token validity check. A remote attacker could use this issue to cause Corosync to crash, resulting in a denial of service, or to possibly obtain a small quantity of sensitive informatio…

    first Apr 13, 2026
  • High max 7.5
    USN-8073-1 5 CVEs

    qemu vulnerabilities

    It was discovered that the UHCI controller implementation of QEMU could be brought into an invalid state. An attacker inside the guest could possibly use this issue to cause QEMU to crash, resulting in a denial of service. (CVE-2024-8354) It was discovered th…

    first Mar 4, 2026
  • High max 7.1
    USN-7963-1 3 CVEs

    libpng1.6 vulnerabilities

    It was discovered that the libpng simplified API incorrectly processed palette PNG images with partial transparency and gamma correction. If a user or automated system were tricked into opening a specially crafted PNG file, an attacker could use this issue to…

    first Jan 14, 2026
  • High max 7.5
    USN-7970-1 5 CVEs

    iperf3 vulnerabilities

    Jorge Sancho Larraz discovered that iperf3 did not properly manage certain inputs, which could cause the server process to stop responding, waiting for input on the control connection. A remote attacker could possibly use this issue to cause a denial of servi…

    first Jan 21, 2026
  • High max 7.5
    USN-8084-1 5 CVEs

    curl vulnerabilities

    Zhicheng Chen discovered that curl could incorrectly reuse the wrong connection for Negotiate-authenticated HTTP or HTTPS requests. This could result in the use of credentials from a different connection, contrary to expectations. (CVE-2026-1965) It was disco…

    first Mar 11, 2026
  • High max 7.5
    USN-8062-1 9 CVEs

    curl vulnerabilities

    It was discovered that curl incorrectly handled cookies when redirected from secure to insecure connections. An attacker could possibly use this issue to cause a denial of service, or obtain sensitive information. This issue only affected Ubuntu 25.10. (CVE-2…

    first Feb 25, 2026
  • High max 7.5
    USN-8156-1 1 CVE

    gdk-pixbuf vulnerability

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

    first Apr 8, 2026
  • High max 8.4
    USN-8166-1 1 CVE

    retroarch vulnerability

    It was discovered that RetroArch did not correctly handle certain memory operations, which could lead to a buffer overflow. If a user or automated system were tricked into opening a specially crafted file, an attacker could possibly use this issue to cause a …

    first Apr 12, 2026
  • High max 8.1
    USN-5404-1 1 CVE

    rsyslog vulnerability

    Pieter Agten discovered that Rsyslog incorrectly handled certain requests. An attacker could possibly use this issue to cause a crash.

    first May 5, 2022
  • High max 7.5
    USN-8117-1 1 CVE

    strongswan vulnerability

    Kazuma Matsumoto discovered that strongSwan incorrectly handled EAP-TTLS AVPs when using the eap-ttls plugin. An attacker could possibly use this issue to cause strongSwan to consume resources and crash, resulting in a denial of service.

    first Mar 23, 2026
  • High max 8.0
    USN-4604-1 48 CVEs

    mysql-5.7, mysql-8.0 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 8.0.22 in Ubuntu 20.04 LTS and Ubuntu 20.10. Ubuntu 16.04 LTS and Ubuntu 18.04 LTS have been updated to MySQL…

    first Oct 27, 2020
  • High max 7.0
    USN-8120-1 1 CVE

    redis vulnerability

    Seunghyun Lee discovered that Redis incorrectly handled memory during hyperloglog operations. An attacker could use this issue to cause a denial of service, or possibly achieve remote code execution.

    first Mar 24, 2026
  • High max 8.9
    USN-8123-1 7 CVEs

    mbedtls vulnerabilities

    It was discovered that Mbed TLS incorrectly handled memory allocation failures. A remote attacker could possibly use this issue to crash the program. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2021-44732) Jonathan Winzig discovered t…

    first Mar 25, 2026
  • High max 7.2
    USN-8097-1 1 CVE 1 exploited

    roundcube vulnerabilities

    It was discovered that Roundcube Webmail did not properly sanitize the animate tag within SVG documents. An attacker could possibly use this issue to cause a cross-site scripting attack.

    first Mar 16, 2026
  • High max 8.4
    USN-8192-1 2 CVEs

    ntfs-3g vulnerabilities

    Jeffrey Bencteux discovered that NTFS-3G incorrectly handled certain UTF-8 sequences. An attacker could use this issue to cause NTFS-3G to crash, resulting in a denial of service, or to execute arbitrary code. This issue only affected Ubuntu 22.04 LTS and Ubu…

    first Apr 21, 2026
  • High max 7.5
    USN-8089-1 6 CVEs

    golang-golang-x-net vulnerabilities

    Bahruz Jabiyev, Tommaso Innocenti, Anthony Gavazzi, Steven Sprecher, and Kaan Onarlioglu discovered that servers using Go Networking could hang during shutdown if preempted by a fatal error. An attacker could possibly use this to cause a denial of service. Th…

    first Mar 12, 2026
  • High max 7.2
    USN-4441-1 30 CVEs

    mysql-5.7, mysql-8.0 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 8.0.21 in Ubuntu 20.04 LTS. Ubuntu 16.04 LTS and Ubuntu 18.04 LTS have been updated to MySQL 5.7.31. In addit…

    first Jul 28, 2020
  • High max 8.8
    USN-8071-1 1 CVE

    nss vulnerability

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

    first Mar 4, 2026