8221 matches found
USN-8248-2 nasm regression
USN-8248-1 fixed vulnerabilities in NASM. Unfortunately the update introduced a regression which could cause NASM to crash. This update fixes the problem by reverting the fix for CVE-2021-33450 and CVE-2021-33452 in Ubuntu 24.04 LTS. We apologize for the inconvenience. Original advisory details:...
USN-8262-1 lua5.1 vulnerability
It was discovered that the Lua parser incorrectly handled garbage collection when processing specially crafted Lua scripts. A remote attacker could possibly use this issue to cause a denial of service or execute arbitrary code...
USN-8261-1 linux-xilinx vulnerabilities
Josh Eads, Kristoffer Janke, Eduardo Vela Nava, Tavis Ormandy, and Matteo Rizzo discovered that some AMD Zen processors did not properly verify the signature of CPU microcode. This flaw is known as EntrySign. A privileged attacker could possibly use this issue to cause load malicious CPU microcod...
USN-8260-1 linux-azure-fips vulnerabilities
Josh Eads, Kristoffer Janke, Eduardo Vela Nava, Tavis Ormandy, and Matteo Rizzo discovered that some AMD Zen processors did not properly verify the signature of CPU microcode. This flaw is known as EntrySign. A privileged attacker could possibly use this issue to cause load malicious CPU microcod...
USN-8259-1 openexr vulnerabilities
Quang Luong discovered that OpenEXR incorrectly handled sample count accumulation when processing deep scan line image files. An attacker could possibly use this issue to cause OpenEXR to crash, resulting in a denial of service, or execute arbitrary code. CVE-2026-27622 It was discovered that...
USN-8258-1 linux-azure vulnerabilities
Josh Eads, Kristoffer Janke, Eduardo Vela Nava, Tavis Ormandy, and Matteo Rizzo discovered that some AMD Zen processors did not properly verify the signature of CPU microcode. This flaw is known as EntrySign. A privileged attacker could possibly use this issue to cause load malicious CPU microcod...
USN-8256-1 opam vulnerability
Andrew Nesbitt discovered that opam did not properly validate file destination paths in package install files. An attacker could use this issue to bypass sandbox protections and write files to arbitrary locations, possibly leading to arbitrary code execution...
USN-8257-1 linux-raspi vulnerabilities
Josh Eads, Kristoffer Janke, Eduardo Vela Nava, Tavis Ormandy, and Matteo Rizzo discovered that some AMD Zen processors did not properly verify the signature of CPU microcode. This flaw is known as EntrySign. A privileged attacker could possibly use this issue to cause load malicious CPU microcod...
USN-8255-1 linux, linux-aws, linux-aws-5.15, linux-aws-fips, linux-azure, linux-azure-fips, linux-fips, linux-gcp, linux-gcp-fips, linux-gke, linux-gkeop, linux-hwe-5.15, linux-ibm, linux-ibm-5.15, linux-intel-iot-realtime, linux-intel-iotg, linux-intel-iotg-5.15, linux-kvm, linux-lowlatency, linux-lowlatency-hwe-5.15, linux-nvidia, linux-nvidia-tegra, linux-nvidia-tegra-igx, linux-oracle, linux-realtime vulnerabilities
Stonejiajia, Shir Tamari and Sagi Tzadik discovered that the OverlayFS implementation in the Ubuntu Linux kernel did not properly perform permission checks in certain situations. A local attacker could possibly use this to gain elevated privileges. CVE-2023-2640 Shir Tamari and Sagi Tzadik...
USN-8246-1 vim vulnerabilities
Michał Majchrowicz discovered that Vim’s zip plugin could overwrite arbitrary files. An attacker could possibly use this issue to delete sensitive data or execute arbitrary code. This issue only affected Ubuntu 26.04 LTS. CVE-2026-35177 It was discovered that Vim’s netbeans interface did not...
USN-8254-1 linux, linux-aws, linux-aws-6.8, linux-aws-fips, linux-fips, linux-gcp, linux-gcp-fips, linux-gke, linux-gkeop, linux-hwe-6.8, linux-ibm, linux-ibm-6.8, linux-lowlatency, linux-lowlatency-hwe-6.8, linux-oracle, linux-oracle-6.8, linux-raspi, linux-raspi-realtime, linux-realtime, linux-realtime-6.8 vulnerabilities
Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Network drivers; - NVME drivers; - Netfilter; CVE-2026-23112, CVE-2026-23231, CVE-2026-23273...
USN-8253-1 postfix vulnerability
Kamil Frankowicz discovered that Postfix incorrectly handled certain enhanced status codes. A remote attacker could possibly use this issue to cause Postfix to crash, resulting in a denial of service...
USN-8252-1 openjpeg2 vulnerability
It was discovered that OpenJPEG did not properly handle memory when encoding image files. An attacker could use this issue to cause OpenJPEG to crash, resulting in a denial of service, or possibly execute arbitrary code...
USN-8251-1 libpng1.6 vulnerabilities
It was discovered that libpng incorrectly handled memory when processing 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 possibly execute...
USN-8250-1 lcms2 vulnerability
It was discovered that Little CMS incorrectly handled certain malformed ICC profiles. An attacker could possibly use this issue to cause Little CMS to crash, resulting in a denial of service...
USN-8249-1 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 cause dpkg-deb to stop responding,...
USN-8248-1 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 was discovered that NASM incorrectly...
USN-8247-1 owslib vulnerability
It was discovered that OWSLib did not properly disable entity resolution within its XML parser. An attacker could possibly use this issue to read arbitrary files via a crafted XML payload...
USN-8245-1 linux-azure, linux-azure-6.17, linux-oem-6.17 vulnerabilities
Josh Eads, Kristoffer Janke, Eduardo Vela Nava, Tavis Ormandy, and Matteo Rizzo discovered that some AMD Zen processors did not properly verify the signature of CPU microcode. This flaw is known as EntrySign. A privileged attacker could possibly use this issue to cause load malicious CPU microcod...
USN-8244-1 linux, linux-aws, linux-aws-6.17, linux-gcp, linux-gcp-6.17, linux-hwe-6.17, linux-oracle, linux-realtime, linux-realtime-6.17 vulnerabilities
Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Network drivers; - NVME drivers; - Netfilter; CVE-2026-23112, CVE-2026-23231, CVE-2026-23273...
USN-8243-1 linux-azure-5.15 vulnerabilities
Qualys discovered that several vulnerabilities existed in the AppArmor Linux kernel Security Module LSM. An unprivileged local attacker could use these issues to load, replace, and remove arbitrary AppArmor profiles causing denial of service, exposure of sensitive information kernel memory, local...
USN-8242-2 postfixadmin vulnerability
USN-8242-1 fixed a vulnerability in CiviCRM. This update provides the corresponding fix for PostfixAdmin. Original advisory details: Takuya Aramaki discovered that Smarty, vendored in CiviCRM, did not properly escape JavaScript code. An attacker could possibly use this issue to conduct a cross-si...
USN-8242-1 civicrm vulnerability
Takuya Aramaki discovered that Smarty, vendored in CiviCRM, did not properly escape JavaScript code. An attacker could possibly use this issue to conduct a cross-site scripting attack...
USN-8179-4 linux-gcp-6.8 vulnerabilities
Josh Eads, Kristoffer Janke, Eduardo Vela Nava, Tavis Ormandy, and Matteo Rizzo discovered that some AMD Zen processors did not properly verify the signature of CPU microcode. This flaw is known as EntrySign. A privileged attacker could possibly use this issue to cause load malicious CPU microcod...
USN-8235-1 insighttoolkit vulnerabilities
It was discovered that Expat, vendored in ITK incorrectly handled certain files. An attacker could possibly use this issue to cause a crash or execute arbitrary code. CVE-2022-25235, CVE-2022-25236...
USN-8241-1 coin3 vulnerabilities
It was discovered that Expat, vendored in Coin3D incorrectly handled certain files. An attacker could possibly use this issue to cause a crash or execute arbitrary code...
USN-8240-1 swish-e vulnerabilities
It was discovered that Expat, vendored in Swish-e incorrectly handled certain files. An attacker could possibly use this issue to cause a crash or execute arbitrary code. CVE-2022-25235, CVE-2022-25236...
USN-8239-1 apache2 vulnerabilities
Bartlomiej Dmitruk and Stanislaw Strzalkowski discovered that Apache HTTP Server incorrectly handled certain memory operations when using the HTTP/2 protocol. A remote attacker could use this issue to cause Apache HTTP Server to crash, resulting in a denial of service, or possibly execute arbitra...
USN-8233-2 nghttp2 vulnerability
USN-8233-1 fixed a vulnerability in nghttp2. This update provides the corresponding update for Ubuntu 26.04 LTS. Original advisory details: Andrew MacPherson discovered that nghttp2 did not properly validate internal state when the session termination API was called. A remote attacker could...
USN-8238-1 editorconfig-core vulnerability
It was discovered that EditorConfig incorrectly handled specially crafted configuration files. A local attacker could possibly use this issue to cause EditorConfig to crash, resulting in a denial of service...
USN-8237-1 webkit2gtk vulnerabilities
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-8231-1 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...
USN-8236-1 slurm-wlm vulnerabilities
It was discovered that Slurm did not correctly handle certain file system operations. An attacker could possibly use this issue to modify files or leak sensitive information. This issue only affected Ubuntu 22.04 LTS. CVE-2023-41914 Ryan Hall discovered that Slurm did not correctly enforce certai...
USN-8230-1 docker.io-app vulnerabilities
It was discovered that BuildKit, contained within Docker, incorrectly handled file path validation when processing frontend API messages. An attacker could possibly use this issue to write files outside of the intended state directory. CVE-2026-33747 It was discovered that BuildKit, contained...
USN-8220-1 htmlunit vulnerability
It was discovered that HtmlUnit was vulnerable to remote code execution via XSLT when browsing an attacker-controlled webpage. An attacker could possibly use this issue to execute arbitrary code in the context of the application using HtmlUnit...
USN-8234-1 python-mako vulnerability
It was discovered that Mako incorrectly handled URIs with double-slash prefixes in TemplateLookup. A remote attacker could possibly use this issue to obtain sensitive information...
USN-8233-1 nghttp2 vulnerability
Andrew MacPherson discovered that nghttp2 did not properly validate internal state when the session termination API was called. A remote attacker could possibly use this issue to cause nghttp2 to crash, resulting in a denial of service...
USN-8232-1 python-django vulnerabilities
It was discovered that Django did not vary cached response headers on cookies when sessions were not modified while SESSIONSAVEEVERYREQUEST was enabled. A remote attacker could possibly use this issue to steal a user's session. CVE-2026-35192 Kyle Agronick and Jacob Walls discovered that Django...
USN-8229-1 sed vulnerability
Michał Majchrowicz and Marcin Wyczechowski discovered that sed incorrectly handled symbolic links when performing in-place edits. A local attacker could possibly use this issue to overwrite arbitrary files...
USN-8228-1 exim4 vulnerabilities
It was discovered that Exim incorrectly handled parsing malformed JSON in message headers. A remote attacker could possibly use this issue to execute arbitrary code. CVE-2026-40685 It was discovered that Exim incorrectly handled processing of UTF-8 trailing characters. A remote attacker could...
USN-8227-1 curl vulnerabilities
It was discovered that curl incorrectly reused non-TLS connections when TLS was required in some STARTTLS configurations. A remote attacker could possibly use this issue to obtain sensitive information. CVE-2026-4873 It was discovered that curl incorrectly reused certain HTTP Negotiate connection...
USN-8226-2 kmod update
USN-8226-1 added a mitigation to kmod to disable loading the algifaead module. This update adds the same mitigation to Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. Original advisory details: It was discovered that the Linux kernel algifaead module contained a logic...
USN-8226-1 kmod update
It was discovered that the Linux kernel algifaead module contained a logic flaw allowing a local attacker to escalate privileges to root. This update to the kmod package disables loading the algifaead module as a measure to mitigate the issue until kernel updates are made available. See the...
USN-8218-1 zulucrypt vulnerability
Aaron Rainbolt discovered that zuluCrypt used insecure PolicyKit settings in zuluPolkit. An attacker could possibly use this issue to cause local privilege escalation to root. CVE-2025-53391...
USN-8225-1 python-marshmallow vulnerabilities
Jared Deckard discovered that Python marshmallow did not correctly handle hiding certain fields. An attacker could possibly use this issue to leak sensitive information. This issue only affected Ubuntu 18.04 LTS. CVE-2018-17175 It was discovered that Python marshmallow did not efficiently handle...
USN-8223-1 roundcube vulnerabilities
It was discovered that Roundcube Webmail mishandled Punycode xn-- domain names. An attacker could possibly use this issue to cause a homograph attack. CVE-2019-15237 It was discovered that Roundcube Webmail did not properly sanitize certain attributes when handling CSS within HTML messages and...
USN-8224-1 linux-bluefield vulnerabilities
Qualys discovered that several vulnerabilities existed in the AppArmor Linux kernel Security Module LSM. An unprivileged local attacker could use these issues to load, replace, and remove arbitrary AppArmor profiles causing denial of service, exposure of sensitive information kernel memory, local...
USN-8222-1 openssh vulnerabilities
Christos Papakonstantinou discovered that the OpenSSH scp tool incorrectly handled the legacy scp protocol -O option. This could result in certain files being installed setuid or setgid, contrary to expectations. CVE-2026-35385 Florian Kohnhäuser discovered that OpenSSH incorrectly handled shell...
USN-8195-3 packagekit vulnerability
USN-8195-1 fixed a vulnerability in PackageKit. This update provides the corresponding fix to Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. Original advisory details: It was discovered that PackageKit incorrectly handled certain transactions. A local attacker could use this issue to...
USN-8221-1 wheel vulnerability
It was discovered that wheel did not correctly handle certain file paths. If a user or automated system were tricked into opening a specially crafted file, an attacker could possibly use this issue to execute arbitrary code...