Linux · Ubuntu · Top 20

It was discovered that Twisted's IMAP server mishandled wildcard patterns in mailbox list commands. An authenticated remote attacker could possibly use this issue to cause Twisted to use excessive resources, leading to a denial of service.

Ubuntu 2026-11-04 16:24 UTC · 2026-11-04 13:24 -03

It was discovered that Pillow incorrectly handled map stride values when loading certain McIdas AREA images. An attacker could possibly use this issue to obtain sensitive information or cause a denial of service. (CVE-2026-54058) It was d…

Ubuntu CVE-2026-54058CVE-2026-54059CVE-2026-54060CVE-2026-55379CVE-2026-55380CVE-2026-59197CVE-2026-59199CVE-2026-59200CVE-2026-59203CVE-2026-59204CVE-2026-59205 CVSS 9.1 2026-11-04 15:49 UTC · 2026-11-04 12:49 -03

It was discovered that Squid incorrectly handled certain HTTP Transfer- Encoding headers. An attacker could possibly use this issue to perform HTTP request smuggling attacks, bypass security mechanisms, or poison web caches.

Ubuntu 2026-11-04 15:32 UTC · 2026-11-04 12:32 -03

It was discovered that Net-SNMP incorrectly handled newly accepted connections in the SMUX module. An unauthenticated remote attacker could possibly use this issue to cause Net-SNMP to block indefinitely, resulting in a denial of service.

Ubuntu 2026-11-04 15:25 UTC · 2026-11-04 12:25 -03

USN-7530-1 fixed a vulnerability in ADOdb. This update provides the corresponding updates for Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 24.04 LTS. Original advisory details: It was discovered tha…

Ubuntu 2026-11-04 15:14 UTC · 2026-11-04 12:14 -03

Max Justicz discovered that APT incorrectly handled hard links when encountering redirects and retrying package downloads. A remote on-path attacker could possibly use this issue to trick APT into installing an unverified package and achie…

Ubuntu 2026-11-04 13:37 UTC · 2026-11-04 10:37 -03

It was discovered that libvips incorrectly handled certain PDF files with a page that defines a width but not a height. An attacker could possibly use this issue to cause libvips to crash, resulting in a denial of service, or obtain sensit…

Ubuntu CVE-2025-59933CVE-2026-33327CVE-2026-33328CVE-2026-35590CVE-2026-35591CVE-2026-69242CVE-2026-70651CVE-2026-70653CVE-2026-70654 CVSS 8.4 2026-11-03 17:39 UTC · 2026-11-03 14:39 -03

It was discovered that SOGo used the client-supplied Origin header when constructing password reset links. A remote attacker could possibly use this issue to obtain password reset tokens and take over user accounts.

Ubuntu 2026-11-03 17:38 UTC · 2026-11-03 14:38 -03

It was discovered that the shpsort utility in Shapelib incorrectly handled certain inputs, leading to a double free. An attacker could possibly use this issue to cause a denial of service, or possibly execute arbitrary code.

Ubuntu 2026-11-03 17:38 UTC · 2026-11-03 14:38 -03

It was discovered that rxvt-unicode incorrectly handled certain escape sequences. An attacker could possibly use this issue to execute arbitrary code if a user displayed specially crafted text in the terminal.

Ubuntu 2026-11-03 17:37 UTC · 2026-11-03 14:37 -03

It was discovered that Sprockets incorrectly handled certain specially crafted requests when the Sprockets server was used in production. A remote attacker could possibly use this issue to access files outside of the application's root dir…

Ubuntu 2026-11-03 17:37 UTC · 2026-11-03 14:37 -03

It was discovered that Relax-and-Recover created a world-readable initrd when GRUB_RESCUE was enabled. A local attacker could possibly use this issue to obtain sensitive information.

Ubuntu 2026-11-03 17:37 UTC · 2026-11-03 14:37 -03

It was discovered that libuser did not properly validate the GECOS field when changing user information. A local attacker could possibly use this issue to corrupt the passwd file, resulting in a denial of service. (CVE-2015-3245) It was d…

Ubuntu CVE-2015-3245CVE-2015-3246 CVSS 2.1 2026-11-03 17:36 UTC · 2026-11-03 14:36 -03

Dawid Golunski discovered that Swift Mailer did not properly sanitize e-mail addresses in the mail transport. A remote attacker could possibly use this issue to pass extra parameters to the mail command and execute arbitrary code.

Ubuntu 2026-11-03 17:36 UTC · 2026-11-03 14:36 -03

It was discovered that Net::EasyTCP used the built-in Perl rand() function to generate encryption keys when no strong randomization module was present. An attacker could possibly use this issue to predict the keys and obtain sensitive info…

Ubuntu 2026-11-03 17:36 UTC · 2026-11-03 14:36 -03

It was discovered that jabberd2 allowed SASL ANONYMOUS authentication even when it was not enabled in the configuration. A remote attacker could possibly use this issue to bypass authentication.

Ubuntu 2026-11-03 17:35 UTC · 2026-11-03 14:35 -03

It was discovered that libmspack did not properly initialize pointers when handling errors while reading KWAJ archive headers. An attacker could possibly use this issue to cause libmspack to crash, resulting in a denial of service, or exec…

Ubuntu 2026-11-03 14:42 UTC · 2026-11-03 11:42 -03

It was discovered that HAProxy incorrectly handled truncated HTTP/2 PING frames. A remote attacker could possibly use this issue to cause HAProxy to consume excessive CPU resources, leading to a denial of service. (CVE-2026-110353) It was…

Ubuntu CVE-2026-110353CVE-2026-110354 CVSS 7.5 2026-11-03 14:33 UTC · 2026-11-03 11:33 -03

It was discovered that GNOME Shell did not properly validate icon dimensions when processing icons from a remote search provider. An attacker could possibly use this issue to cause GNOME Shell to crash, resulting in a denial of service, or…

Ubuntu 2026-11-03 14:13 UTC · 2026-11-03 11:13 -03

It was discovered that GVfs did not properly validate data returned by an SFTP server. A remote attacker could possibly use this issue to obtain sensitive information. (CVE-2026-84267) It was discovered that GVfs did not properly validate…

Ubuntu CVE-2026-84267CVE-2026-84269CVE-2026-84270 CVSS 4.3 2026-11-03 14:06 UTC · 2026-11-03 11:06 -03