Aggregator

FEDORA-2026-182b5d52c9 Packages in this update:

• python-mistune-3.2.1-1.fc45

Update description:

Automatic update for python-mistune-3.2.1-1.fc45.

Changelog * Thu Jun 18 2026 Miro Hrončok <miro@hroncok.cz> - 3.2.1-1 - Update to 3.2.1 - Security fix for CVE-2026-44898 - Fixes: rhbz#2424578 - Fixes: rhbz#2489782

USN-8447-1 fixed vulnerabilities in Go Cryptography. This update provides the corresponding updates for Go Cryptography code embedded in LXD for CVE-2026-39830, CVE-2026-39833, CVE-2026-39834, and CVE-2026-42508. Original advisory details: It was discovered that Go Cryptography did not properly handle SSH global request responses. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2026-39830) It was discovered that Go Cryptography did not properly verify user presence when using FIDO/U2F security keys. An attacker could possibly use this issue to bypass user presence verification for hardware security keys. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, and Ubuntu 26.04 LTS. (CVE-2026-39831) It was discovered that Go Cryptography did not properly serialize SSH agent key constraint extensions. An attacker could possibly use this issue to bypass intended key usage restrictions. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, and Ubuntu 26.04 LTS. (CVE-2026-39832) It was discovered that Go Cryptography did not properly enforce the confirm-before-use constraint in the SSH agent keyring. An attacker could possibly use this issue to use SSH keys without the required user confirmation. (CVE-2026-39833) It was discovered that Go Cryptography had an integer overflow when handling large SSH channel writes. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2026-39834) It was discovered that Go Cryptography did not properly check certificate authority key revocation. An attacker could possibly use this issue to bypass certificate authority revocation checks. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, and Ubuntu 26.04 LTS. (CVE-2026-42508) It was discovered that Go Cryptography did not properly enforce the source- address critical option for all SSH server callback types. An attacker could possibly use this issue to bypass source address authorization restrictions. This issue only affected Ubuntu 26.04 LTS. (CVE-2026-46595)

FEDORA-2026-14941c1cf3 Packages in this update:

• rust-bon-3.9.3-1.fc45
• rust-bon-macros-3.9.3-1.fc45
• rust-openssl-0.10.81-1.fc45
• rust-openssl-sys-0.9.117-1.fc45
• rust-zeroize-1.9.0-1.fc45
• rust-zeroize_derive-1.5.0-1.fc45

Update description:

• Update the openssl crate to version 0.10.81 and the openssl-sys crate to version 0.9.117.
• Update the zeroize crate to version 1.9.0 and the zeroize_derive crate to version 1.5.0.
• Update the bon and bon-macros crates to version 3.9.3.

Elhanan Haenel discovered that libheif incorrectly handled certain malformed HEIF sequence files. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 25.10 and Ubuntu 26.04 LTS. (CVE-2026-32738) Elhanan Haenel discovered that libheif incorrectly handled certain malformed HEIF sequence files, leading to an infinite loop. An attacker could possibly use this issue to cause libheif to use excessive resources, resulting in a denial of service. This issue only affected Ubuntu 25.10 and Ubuntu 26.04 LTS. (CVE-2026-32739) Elhanan Haenel discovered that libheif incorrectly handled certain crafted HEIF/AVIF image files. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue only affected Ubuntu 25.10 and Ubuntu 26.04 LTS. (CVE-2026-32740) It was discovered that libheif incorrectly handled certain crafted HEIF files containing mask images. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue only affected Ubuntu 24.04 LTS, Ubuntu 25.10, and Ubuntu 26.04 LTS. (CVE-2026-32741) It was discovered that libheif incorrectly handled certain crafted grid-based HEIF/AVIF files. An attacker could possibly use this issue to obtain sensitive information. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, Ubuntu 25.10, and Ubuntu 26.04 LTS. (CVE-2026-32814) It was discovered that libheif incorrectly handled certain crafted HEIF files when compositing overlay images. An attacker could possibly use this issue to cause a denial of service or obtain sensitive information. (CVE-2026-32882) It was discovered that libheif incorrectly handled certain crafted files. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 25.10 and Ubuntu 26.04 LTS. (CVE-2026-3950) It was discovered that libheif incorrectly handled certain malformed HEIF sequence files. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 25.10 and Ubuntu 26.04 LTS. (CVE-2026-41069) It was discovered that libheif incorrectly handled certain crafted HEIF sequence files. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 25.10 and Ubuntu 26.04 LTS. (CVE-2026-41071)

Nikita Skovoroda discovered that pbkdf2 did not properly validate certain algorithm names. An attacker could possibly use this issue to generate predictable cryptographic keys, resulting in signature spoofing.

It was discovered that Net::CIDR::Lite incorrectly validated IP address and CIDR mask inputs. An attacker could possibly use this issue to bypass IP access control lists. (CVE-2026-45190) It was discovered that Net::CIDR::Lite incorrectly handled extraneous zero characters in CIDR mask values. An attacker could possibly use this issue to bypass IP access control lists. (CVE-2026-45191)

Srinivas Piskala Ganesh Babu discovered that Vim incorrectly handled directory names when serializing browsed paths to the netrw history file. An attacker could possibly use this issue to execute arbitrary code. (CVE-2026-47162) It was discovered that Vim incorrectly handled step-definition patterns in the cucumber filetype plugin. An attacker could possibly use this issue to execute arbitrary code. (CVE-2026-47167) It was discovered that Vim incorrectly handled import statements during Python omni-completion. An attacker could possibly use this issue to execute arbitrary code. (CVE-2026-52858) Andrej Tomči discovered that Vim incorrectly handled certain terminal screen cells when taking a snapshot, leading to an out-of-bounds read. An attacker could possibly use this issue to cause Vim to crash, resulting in a denial of service. (CVE-2026-52859) David Carliez discovered that Vim incorrectly handled reconstructed function and class definitions during Python omni-completion. An attacker could possibly use this issue to execute arbitrary code. (CVE-2026-52860)

It was discovered that Tomcat did not properly limit the size of WebDAV LOCK and PROPFIND request bodies. A remote attacker could possibly use this issue to cause Tomcat to consume excessive memory, resulting in a denial of service. (CVE-2026-41284) It was discovered that Tomcat incorrectly validated HTTP/2 header fields. A remote attacker could use this issue to cause Tomcat to crash or possibly execute arbitrary code. (CVE-2026-41293) It was discovered that Tomcat did not properly clear HTTP authentication headers during WebSocket connection upgrades and redirects. A remote attacker could possibly use this issue to obtain sensitive credentials. (CVE-2026-42498) It was discovered that Tomcat incorrectly handled authorization when multiple method constraints defined the same HTTP method. A remote attacker could possibly use this issue to bypass authorization restrictions. (CVE-2026-43515)

FEDORA-2026-3cca6f41d4 Packages in this update:

• docker-buildx-0.35.0-1.fc43

Update description:

• Update to release v0.35.0
• Resolves: rhbz#2487819
• Resolves CVE-2026-39828: rhbz#2489918, rhbz#2490102
• Upstream enhancements, new features, and fixes

FEDORA-2026-1a714d39b0 Packages in this update:

• docker-buildkit-0.31.0-1.fc43

Update description:

• Update to release v0.31.0
• Resolve CVE-2026-39829: rhbz#2489939, rhbz#2490056
• Upstream new features and fixes

FEDORA-2026-105f7df940 Packages in this update:

• docker-buildx-0.35.0-1.fc44

Update description:

• Update to release v0.35.0
• Resolves: rhbz#2487819
• Resolves CVE-2026-39828: rhbz#2489918, rhbz#2490102
• Upstream enhancements, new features, and fixes

FEDORA-2026-33cccee12b Packages in this update:

• docker-buildx-0.35.0-1.fc45

Update description:

Automatic update for docker-buildx-0.35.0-1.fc45.

Changelog * Thu Jun 18 2026 Bradley G Smith <bradley.g.smith@gmail.com> - 0.35.0-1 - Update to release v0.35.0 - Resolves: rhbz#2487819 - Resolves CVE-2026-39828: rhbz#2489918, rhbz#2490102 - Upstream enhancements, new features, and fixes

FEDORA-2026-1e00728616 Packages in this update:

• docker-buildkit-0.31.0-1.fc44

Update description:

• Update to release v0.31.0
• Resolve CVE-2026-39829: rhbz#2489939, rhbz#2490056
• Upstream new features and fixes

FEDORA-2026-d7d472853a Packages in this update:

• lighttpd-1.4.84-1.fc43

Update description:

1.4.84

1.4.83

https://wiki.lighttpd.net/Release-1_4_83

FEDORA-2026-1907dd9339 Packages in this update:

• lighttpd-1.4.84-1.fc44

Update description:

1.4.84

1.4.83

https://wiki.lighttpd.net/Release-1_4_83

FEDORA-2026-c6481c190e Packages in this update:

• docker-buildkit-0.31.0-1.fc45

Update description:

Automatic update for docker-buildkit-0.31.0-1.fc45.

Changelog * Wed Jun 17 2026 Bradley G Smith <bradley.g.smith@gmail.com> - 0.31.0-1 - Update to release v0.31.0 - Resolve CVE-2026-39829: rhbz#2489939, rhbz#2490056 - Upstream new features and fixes

Version:next-20260618 (linux-next) Released:2026-06-18

FEDORA-2026-e7c97d043e Packages in this update:

• tigervnc-1.16.2-4.fc44

Update description:

Fixes CVE-2026-50256 CVE-2026-50257 CVE-2026-50258 CVE-2026-50259 CVE-2026-50260 CVE-2026-50261 CVE-2026-50262 CVE-2026-50263 CVE-2026-50264.

FEDORA-2026-ad10afa9cd Packages in this update:

• tigervnc-1.16.2-4.fc43

Update description:

Fixes CVE-2026-50256 CVE-2026-50257 CVE-2026-50258 CVE-2026-50259 CVE-2026-50260 CVE-2026-50261 CVE-2026-50262 CVE-2026-50263 CVE-2026-50264.

Pablo Ruiz discovered that ldns did not properly validate DNS responses when used as a stub resolver over UDP. A remote attacker could possibly use this issue to inject arbitrary DNS responses.