Vulnerabilities (CVE)

Filtered by vendor Canonical Subscribe
Filtered by product Ubuntu Linux
Total 4193 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2020-24379 3 Canonical, Debian, Yaws 3 Ubuntu Linux, Debian Linux, Yaws 2026-06-17 6.8 MEDIUM 9.8 CRITICAL
WebDAV implementation in Yaws web server versions 1.81 to 2.0.7 is vulnerable to XXE injection.
CVE-2020-1983 5 Canonical, Debian, Fedoraproject and 2 more 5 Ubuntu Linux, Debian Linux, Fedora and 2 more 2026-06-17 2.1 LOW 7.5 HIGH
A use after free vulnerability in ip_reass() in ip_input.c of libslirp 4.2.0 and prior releases allows crafted packets to cause a denial of service.
CVE-2020-1968 5 Canonical, Debian, Fujitsu and 2 more 25 Ubuntu Linux, Debian Linux, M10-1 and 22 more 2026-06-17 4.3 MEDIUM 3.7 LOW
The Raccoon attack exploits a flaw in the TLS specification which can lead to an attacker being able to compute the pre-master secret in connections which have used a Diffie-Hellman (DH) based ciphersuite. In such a case this would result in the attacker being able to eavesdrop on all encrypted communications sent over that TLS connection. The attack can only be exploited if an implementation re-uses a DH secret across multiple TLS connections. Note that this issue only impacts DH ciphersuites and not ECDH ciphersuites. This issue affects OpenSSL 1.0.2 which is out of support and no longer receiving public updates. OpenSSL 1.1.1 is not vulnerable to this issue. Fixed in OpenSSL 1.0.2w (Affected 1.0.2-1.0.2v).
CVE-2020-1951 4 Apache, Canonical, Debian and 1 more 6 Tika, Ubuntu Linux, Debian Linux and 3 more 2026-06-17 4.3 MEDIUM 5.5 MEDIUM
A carefully crafted or corrupt PSD file can cause an infinite loop in Apache Tika's PSDParser in versions 1.0-1.23.
CVE-2020-1950 4 Apache, Canonical, Debian and 1 more 6 Tika, Ubuntu Linux, Debian Linux and 3 more 2026-06-17 4.3 MEDIUM 5.5 MEDIUM
A carefully crafted or corrupt PSD file can cause excessive memory usage in Apache Tika's PSDParser in versions 1.0-1.23.
CVE-2020-1945 5 Apache, Canonical, Fedoraproject and 2 more 50 Ant, Ubuntu Linux, Fedora and 47 more 2026-06-17 3.3 LOW 6.3 MEDIUM
Apache Ant 1.1 to 1.9.14 and 1.10.0 to 1.10.7 uses the default temporary directory identified by the Java system property java.io.tmpdir for several tasks and may thus leak sensitive information. The fixcrlf and replaceregexp tasks also copy files from the temporary directory back into the build tree allowing an attacker to inject modified source files into the build process.
CVE-2020-1934 6 Apache, Canonical, Debian and 3 more 11 Http Server, Ubuntu Linux, Debian Linux and 8 more 2026-06-17 5.0 MEDIUM 5.3 MEDIUM
In Apache HTTP Server 2.4.0 to 2.4.41, mod_proxy_ftp may use uninitialized memory when proxying to a malicious FTP server.
CVE-2020-1927 8 Apache, Broadcom, Canonical and 5 more 14 Http Server, Brocade Fabric Operating System, Ubuntu Linux and 11 more 2026-06-17 5.8 MEDIUM 6.1 MEDIUM
In Apache HTTP Server 2.4.0 to 2.4.41, redirects configured with mod_rewrite that were intended to be self-referential might be fooled by encoded newlines and redirect instead to an an unexpected URL within the request URL.
CVE-2020-1760 5 Canonical, Debian, Fedoraproject and 2 more 6 Ubuntu Linux, Debian Linux, Fedora and 3 more 2026-06-17 4.3 MEDIUM 5.8 MEDIUM
A flaw was found in the Ceph Object Gateway, where it supports request sent by an anonymous user in Amazon S3. This flaw could lead to potential XSS attacks due to the lack of proper neutralization of untrusted input.
CVE-2020-1730 6 Canonical, Fedoraproject, Libssh and 3 more 6 Ubuntu Linux, Fedora, Libssh and 3 more 2026-06-17 5.0 MEDIUM 5.3 MEDIUM
A flaw was found in libssh versions before 0.8.9 and before 0.9.4 in the way it handled AES-CTR (or DES ciphers if enabled) ciphers. The server or client could crash when the connection hasn't been fully initialized and the system tries to cleanup the ciphers when closing the connection. The biggest threat from this vulnerability is system availability.
CVE-2020-1700 4 Canonical, Ceph, Opensuse and 1 more 4 Ubuntu Linux, Ceph, Leap and 1 more 2026-06-17 6.8 MEDIUM 6.5 MEDIUM
A flaw was found in the way the Ceph RGW Beast front-end handles unexpected disconnects. An authenticated attacker can abuse this flaw by making multiple disconnect attempts resulting in a permanent leak of a socket connection by radosgw. This flaw could lead to a denial of service condition by pile up of CLOSE_WAIT sockets, eventually leading to the exhaustion of available resources, preventing legitimate users from connecting to the system.
CVE-2020-1472 8 Canonical, Debian, Fedoraproject and 5 more 15 Ubuntu Linux, Debian Linux, Fedora and 12 more 2026-06-17 9.3 HIGH 5.5 MEDIUM
An elevation of privilege vulnerability exists when an attacker establishes a vulnerable Netlogon secure channel connection to a domain controller, using the Netlogon Remote Protocol (MS-NRPC). An attacker who successfully exploited the vulnerability could run a specially crafted application on a device on the network. To exploit the vulnerability, an unauthenticated attacker would be required to use MS-NRPC to connect to a domain controller to obtain domain administrator access. Microsoft is addressing the vulnerability in a phased two-part rollout. These updates address the vulnerability by modifying how Netlogon handles the usage of Netlogon secure channels. For guidelines on how to manage the changes required for this vulnerability and more information on the phased rollout, see How to manage the changes in Netlogon secure channel connections associated with CVE-2020-1472 (updated September 28, 2020). When the second phase of Windows updates become available in Q1 2021, customers will be notified via a revision to this security vulnerability. If you wish to be notified when these updates are released, we recommend that you register for the security notifications mailer to be alerted of content changes to this advisory. See Microsoft Technical Security Notifications.
CVE-2020-17538 3 Artifex, Canonical, Debian 3 Ghostscript, Ubuntu Linux, Debian Linux 2026-06-17 4.3 MEDIUM 5.5 MEDIUM
A buffer overflow vulnerability in GetNumSameData() in contrib/lips4/gdevlips.c of Artifex Software GhostScript from v9.18 to v9.50 allows a remote attacker to cause a denial of service via a crafted PDF file. This is fixed in v9.51.
CVE-2020-17489 4 Canonical, Debian, Gnome and 1 more 4 Ubuntu Linux, Debian Linux, Gnome-shell and 1 more 2026-06-17 1.9 LOW 4.3 MEDIUM
An issue was discovered in certain configurations of GNOME gnome-shell through 3.36.4. When logging out of an account, the password box from the login dialog reappears with the password still visible. If the user had decided to have the password shown in cleartext at login time, it is then visible for a brief moment upon a logout. (If the password were never shown in cleartext, only the password length is revealed.)
CVE-2020-16310 3 Artifex, Canonical, Debian 3 Ghostscript, Ubuntu Linux, Debian Linux 2026-06-17 4.3 MEDIUM 5.5 MEDIUM
A division by zero vulnerability in dot24_print_page() in devices/gdevdm24.c of Artifex Software GhostScript v9.50 allows a remote attacker to cause a denial of service via a crafted PDF file. This is fixed in v9.51.
CVE-2020-16309 3 Artifex, Canonical, Debian 3 Ghostscript, Ubuntu Linux, Debian Linux 2026-06-17 4.3 MEDIUM 5.5 MEDIUM
A buffer overflow vulnerability in lxm5700m_print_page() in devices/gdevlxm.c of Artifex Software GhostScript v9.50 allows a remote attacker to cause a denial of service via a crafted eps file. This is fixed in v9.51.
CVE-2020-16308 3 Artifex, Canonical, Debian 3 Ghostscript, Ubuntu Linux, Debian Linux 2026-06-17 4.3 MEDIUM 5.5 MEDIUM
A buffer overflow vulnerability in p_print_image() in devices/gdevcdj.c of Artifex Software GhostScript v9.50 allows a remote attacker to cause a denial of service via a crafted PDF file. This is fixed in v9.51.
CVE-2020-16307 3 Artifex, Canonical, Debian 3 Ghostscript, Ubuntu Linux, Debian Linux 2026-06-17 4.3 MEDIUM 5.5 MEDIUM
A null pointer dereference vulnerability in devices/vector/gdevtxtw.c and psi/zbfont.c of Artifex Software GhostScript v9.50 allows a remote attacker to cause a denial of service via a crafted postscript file. This is fixed in v9.51.
CVE-2020-16306 3 Artifex, Canonical, Debian 3 Ghostscript, Ubuntu Linux, Debian Linux 2026-06-17 4.3 MEDIUM 5.5 MEDIUM
A null pointer dereference vulnerability in devices/gdevtsep.c of Artifex Software GhostScript v9.50 allows a remote attacker to cause a denial of service via a crafted postscript file. This is fixed in v9.51.
CVE-2020-16305 3 Artifex, Canonical, Debian 3 Ghostscript, Ubuntu Linux, Debian Linux 2026-06-17 4.3 MEDIUM 5.5 MEDIUM
A buffer overflow vulnerability in pcx_write_rle() in contrib/japanese/gdev10v.c of Artifex Software GhostScript v9.50 allows a remote attacker to cause a denial of service via a crafted PDF file. This is fixed in v9.51.