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The 15 most recently published vulnerabilities affecting ubuntu.

• CVE-2026-6862Efivar: efivar: denial of service due to stack overflow in device path node parsing5.5Apr 22, 2026
• CVE-2026-3497Vulnerability in the OpenSSH GSSAPI delta included in various Linux distributions. This vulnerability affects the GSSAPI patches added by various Linux distributions and does not affect the OpenSSH...7.5Mar 12, 2026
• CVE-2025-6966Null-pointer dereference in python-apt TagSection.keys()5.5Dec 5, 2025
• CVE-2025-7044Privilege Escalation in MAAS via Websocket Request Manipulation7.7Dec 3, 2025
• CVE-2025-2486UEFI Shell accessible in AAVMF with Secure Boot enabled on Ubuntu8.8Nov 26, 2025
• CVE-2023-0881DDoS in Ubuntu package linux-bluefield7.5Mar 31, 2025
• CVE-2022-1804Accountsservice incorrectly drops privileges5.5Mar 25, 2025
• CVE-2020-11935aufs: improperly managed inode reference counts in the vfsub_dentry_open() method4.4Apr 7, 2023
• CVE-2021-3939Free of static data in accountsservice7.8Nov 17, 2021
• CVE-2021-3493The overlayfs implementation in the linux kernel did not properly validate with respect to user namespaces the setting of file capabilities on files in an underlying file system. Due to the combina...KEV8.8Apr 17, 2021
• CVE-2021-3492Ubuntu linux kernel shiftfs file system double free vulnerability8.8Apr 17, 2021
• CVE-2020-27347tmux stack buffer overflow in function input_csi_dispatch_sgr_colon8.8Nov 6, 2020
• CVE-2020-15708Libvirt Service Arbitrary File Write Privilege Escalation Vulnerability9.3Nov 6, 2020
• CVE-2020-15707GRUB2 contained integer overflows when handling the initrd command, leading to a heap-based buffer overflow.5.7Jul 29, 2020
• CVE-2020-15706GRUB2 contains a race condition leading to a use-after-free vulnerability which can be triggered by redefining a function whilst the same function is already executing.6.4Jul 29, 2020