Vulnerabilities fixed in Cisco IOS XE Software

Cisco has fixed vulnerabilities in Cisco IOS XE Software, specifically for several products such as Catalyst 9000 Series Switches, Catalyst CW9800 Family, and Cisco Meraki. The vulnerabilities include several issues, such as a memory leak in the IKEv2 implementation, vulnerabilities in the DHCP...

EUVD-2026-15435

A vulnerability in the bootloader of Cisco IOS XE Software for Cisco Catalyst 9200 Series Switches, Cisco Catalyst ESS9300 Embedded Series Switches, Cisco Catalyst IE9310 and IE9320 Rugged Series Switches, and Cisco IE3500 and IE3505 Rugged Series Switches could allow an authenticated, local...

CVE-2026-20104

A vulnerability in the bootloader of Cisco IOS XE Software for Cisco Catalyst 9200 Series Switches, Cisco Catalyst ESS9300 Embedded Series Switches, Cisco Catalyst IE9310 and IE9320 Rugged Series Switches, and Cisco IE3500 and IE3505 Rugged Series Switches could allow an authenticated, local...

CVE-2026-20104

A vulnerability in the bootloader of Cisco IOS XE Software for Cisco Catalyst 9200 Series Switches, Cisco Catalyst ESS9300 Embedded Series Switches, Cisco Catalyst IE9310 and IE9320 Rugged Series Switches, and Cisco IE3500 and IE3505 Rugged Series Switches could allow an authenticated, local...

CVE-2026-20104

A vulnerability in the bootloader of Cisco IOS XE Software for Cisco Catalyst 9200 Series Switches, Cisco Catalyst ESS9300 Embedded Series Switches, Cisco Catalyst IE9310 and IE9320 Rugged Series Switches, and Cisco IE3500 and IE3505 Rugged Series Switches could allow an authenticated, local...

CVE-2026-20104

Cisco IOS XE bootloader vulnerability (CVE-2026-20104) affects Catalyst 9200 series, ESS9300 Embedded, IE9310/IE9320 Rugged, and IE3500/IE3505 Rugged switches. Root cause: insufficient validation of boot-time software, allowing manipulation of loaded binaries to bypass boot-time integrity checks ...

Cisco IOS XE Software for Cisco Catalyst and Rugged Series Switches Secure Boot Bypass Vulnerability

A vulnerability in the bootloader of Cisco IOS XE Software for Cisco Catalyst 9200 Series Switches, Cisco Catalyst ESS9300 Embedded Series Switches, Cisco Catalyst IE9310 and IE9320 Rugged Series Switches, and Cisco IE3500 and IE3505 Rugged Series Switches could allow an authenticated, local...

PT-2026-27792

Name of the Vulnerable Software and Affected Versions Cisco IOS XE Software for Cisco Catalyst 9200 Series Switches Cisco Catalyst ESS9300 Embedded Series Switches Cisco Catalyst IE9310 and IE9320 Rugged Series Switches Cisco IE3500 and IE3505 Rugged Series Switches Description A flaw exists in t...

Cisco IOS XE Software for Catalyst Rugged Series Switches Secure Boot Bypass (cisco-sa-xe-secureboot-bypass-B6uYxYSZ)

According to its self-reported version, Cisco IOS-XE Software is affected by a vulnerability. - A vulnerability in the bootloader of Cisco IOS XE Software for Cisco Catalyst 9200 Series Switches, Cisco Catalyst ESS9300 Embedded Series Switches, Cisco Catalyst IE9310 and IE9320 Rugged Series...

Advisory ROSA-SA-2026-3226

software: grub2 2.06 WASP: ROSA-CHROME unaffected versions = grub2-2.06-26 affected versions grub2-2.06-26 CVE-ID: CVE-2025-61662 BDU-ID: 2025-14786 CVE-Crit: MEDIUM CVE-DESC.: A vulnerability in the gettext module of the Grub2 operating systems boot loader is related to the ability to use memory...

DEBIAN-CVE-2026-33243

barebox is a bootloader. In barebox from version 2016.03.0 to before version 2026.03.1 and the corresponding backport to 2025.09.3, an attacker could exploit a FIT signature verification vulnerability to trick the bootloader into booting different images than those that were verified as part of a...

CVE-2026-33243

Barebox contains a vulnerability in the FIT signing flow: during mkimage, the hashed-nodes property of the FIT signature node is computed, but the hashed-nodes value is not itself protected by the hash. An attacker can modify hashed-nodes to influence which nodes were reported as hashed, potentia...

EUVD-2026-13893

barebox is a bootloader. In barebox from version 2016.03.0 to before version 2025.09.3 and from version 2025.10.0 to before version 2026.03.1, when creating a FIT, mkimage1 sets the hashed-nodes property of the FIT signature node to list which nodes of the FIT were hashed as part of the signing...

CVE-2026-33243

Removed by vendor...

Barebox 数据伪造问题漏洞

Barebox is a versatile and flexible bootloader developed by Barebox Open Source. Versions of Barebox before 2025.09.3 and 2026.03.1 contained a data manipulation vulnerability. This vulnerability stemmed from the fact that the hashed-nodes attribute set by mkimage during the creation of FIT was n...

grub2: Missing unregister call for gettext command may lead to use-after-free

A Use-After-Free vulnerability has been discovered in GRUB's gettext module. This flaw stems from a programming error where the gettext command remains registered in memory after its module is unloaded. An attacker can exploit this condition by invoking the orphaned command, causing the applicati...

grub2: Missing unregister call for gettext command may lead to use-after-free

A Use-After-Free vulnerability has been discovered in GRUB's gettext module. This flaw stems from a programming error where the gettext command remains registered in memory after its module is unloaded. An attacker can exploit this condition by invoking the orphaned command, causing the applicati...

Moderate: Red Hat Security Advisory: grub2 security update

An update for grub2 is now available for Red Hat Enterprise Linux 9.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for ea...

EulerOS Virtualization 2.12.1 : grub2 (EulerOS-SA-2026-1429)

According to the versions of the grub2 packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : A Use-After-Free vulnerability has been discovered in GRUB's gettext module. This flaw stems from a programming error where the...

EulerOS Virtualization 2.12.0 : grub2 (EulerOS-SA-2026-1486)

According to the versions of the grub2 packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : A Use-After-Free vulnerability has been discovered in GRUB's gettext module. This flaw stems from a programming error where the...