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USN-8136-1 fixed vulnerabilities in Dovecot. The update caused a regression on Ubuntu 22.04 LTS and Ubuntu 24.04 LTS. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that Dovecot incorrectly handled invalid base64 SASL data. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 25.10. (CVE-2025-59028) It was discovered that Dovecot script decode2text.sh incorrectly handled zip files. An attacker could possibly use this issue to obtain sensitive information. (CVE-2025-59031) It was discovered that Dovecot incorrectly handled certain AUTHENTICATE requests. An attacker could possibly use this issue to cause a denial of service. (CVE-2025-59032) It was discovered that Dovecot incorrectly handled certain SQL based authentication. An attacker could possibly use this issue to bypass authentication. This issue only affected Ubuntu 25.10. (CVE-2026-24031) It was discovered that Dovecot incorrectly handled certain LDAP based authentication. An attacker could possibly use this issue to bypass restrictions and allow probing of LDAP structure. This issue only affected Ubuntu 25.10. (CVE-2026-27860) It was discovered that Dovecot is vulnerable to replay attack under certain conditions. An attacker could possibly use this issue to bypass authentication. (CVE-2026-27855) It was discovered that Dovecot is vulnerable to a timing attack under certain conditions. An attacker could possibly use this issue to bypass authentication. (CVE-2026-27856) It was discovered that Dovecot incorrectly handled certain IMAP login requests. An attacker could possibly use this issue to cause a denial of service. (CVE-2026-27857) It was discovered that Dovecot incorrectly handled certain specially crafted messages. An attacker could possibly use this issue to cause a denial of service. (CVE-2026-27858) It was discovered that Dovecot incorrectly handled certain specially crafted mail messages. An attacker could possibly use this issue to cause a denial of service. (CVE-2026-27859) It was discovered that Dovecot incorrectly handles file paths. A attacker could possibly use this issue to perform a path traversal and obtain or modify arbitrary files. This issue only affected Ubuntu 22.04 LTS and Ubuntu 24.04 LTS. (CVE-2026-0394)

Version:next-20260428 (linux-next) Released:2026-04-28

FEDORA-2026-4349d04c20 Packages in this update:

• dovecot-2.4.3-2.fc44

Update description:

updated to 2.4.3 which includes several security fixes

FEDORA-2026-51dba40a65 Packages in this update:

• dovecot-2.4.3-2.fc43

Update description:

updated to 2.4.3 which includes several security fixes

USN-8087-1 fixed a vulnerability in python-cryptography. This update provides the corresponding update to Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. Original advisory details: It was discovered that python-cryptography incorrectly handled subgroup validation for SECT curves. A remote attacker could use this issue to perform a subgroup attack and possibly recover the least significant bits of private keys.

It was discovered that NLTK incorrectly handled file extraction when opening a maliciously crafted zip file. An attacker could possibly use this issue to create or overwrite files on the system and execute arbitrary code.

FEDORA-2026-3a2ff381f7 Packages in this update:

• subfinder-2.14.0-1.fc45

Update description:

Automatic update for subfinder-2.14.0-1.fc45.

Changelog * Tue Apr 28 2026 Mikel Olasagasti Uranga <mikel@olasagasti.info> - 2.14.0-1 - Update to 2.14.0 - Closes rhbz#2463149 rhbz#2458997 rhbz#2456046

Ludvig Pedersen discovered that the System.Security.Cryptography.Xml library in .NET incorrectly handled certain XML inputs. An attacker could possibly use this issue to consume excessive resources, resulting in a denial of service. (CVE-2026-33116, CVE-2026-26171) Ludvig Pedersen and Kevin Jones discovered that the System.Security.Cryptography.Xml library in .NET incorrectly handled certain XML inputs. An attacker could possibly use this issue to cause .NET to crash, resulting in a denial of service. (CVE-2026-32203) Ludvig Pedersen discovered that the System.Net.Mail component in .NET incorrectly handled certain inputs. An attacker could possibly use this issue to perform a network spoofing attack. (CVE-2026-32178) It was discovered that the Microsoft.AspNetCore.DataProtection library in .NET did not properly verify cryptographic signatures under certain conditions. A remote attacker could possibly use this issue to elevate privileges. (CVE-2026-40372)

It was discovered that the Microsoft.AspNetCore.DataProtection library in .NET did not properly verify cryptographic signatures under certain conditions. A remote attacker could possibly use this issue to elevate privileges.

USN-8202-1 fixed vulnerabilities in jq. This update provides the corresponding update to Ubuntu 26.04 LTS. Original advisory details: It was discovered that jq did not correctly handle certain string concatenations. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2026-32316) It was discovered that jq did not correctly handle recursion in certain circumstances. An attacker could possibly use this issue to cause a denial of service. (CVE-2026-33947) It was discovered that jq did not correctly handle improperly terminated strings. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2026-33948) It was discovered that jq did not correctly handle checking certain variable types. An attacker could possibly use this issue to cause a denial of service or leak sensitive information. (CVE-2026-39956) It was discovered that jq did not correctly handle certain string formatting. An attacker could possibly use this issue to leak sensitive information or cause a denial of service. (CVE-2026-39979) It was discovered that jq used a fixed seed for hash table operations. An attacker could possibly use this issue to cause a denial of service. (CVE-2026-40164)

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 24.04 LTS and Ubuntu 25.10. (CVE-2026-35177) It was discovered that Vim's netbeans interface did not properly sanitize certain strings. An attacker could possibly use this issue to execute arbitrary commands. (CVE-2026-39881)

FEDORA-2026-cf660bc96a Packages in this update:

• forgejo-runner-12.7.3-2.fc43

Update description:

Update vendor dependencies to fix: * CVE-2026-33762 * CVE-2026-33817 * CVE-2026-34165

FEDORA-EPEL-2026-a534b99d27 Packages in this update:

• openvpn-2.7.3-1.el10_1

Update description:

Update to upstream 2.7.3 release

Update to upstream 2.7.2 release CVE-2026-40215 CVE-2026-35058

FEDORA-EPEL-2026-07552e95ef Packages in this update:

• openvpn-2.7.3-1.el10_2

Update description:

Update to upstream 2.7.3 release

Update to upstream 2.7.2 release CVE-2026-40215 CVE-2026-35058

FEDORA-EPEL-2026-5560315e97 Packages in this update:

• openvpn-2.7.3-1.el10_3

Update description:

Update to upstream 2.7.3 release

Update to upstream 2.7.2 release CVE-2026-40215 CVE-2026-35058

It was discovered that authd incorrectly assigned the primary group ID to users under certain conditions. A local attacker could possibly use this issue to achieve privilege escalation, or gain unauthorized access to files belonging to other users.