Canonical Ubuntu Linux vulnerabilities
4,117 known vulnerabilities affecting canonical/ubuntu_linux.
Total CVEs
4,117
CISA KEV
46
actively exploited
Public exploits
275
Exploited in wild
85
Severity breakdown
CRITICAL546HIGH1401MEDIUM1948LOW222
Vulnerabilities
Page 1 of 206
CVE-2020-1472P1CRITICALCVSS 10.0KEVPoCRansomwarev14.04v16.04+2 more2020-08-17
CVE-2020-1472 [CRITICAL] CVE-2020-1472: An elevation of privilege vulnerability exists when an attacker establishes a vulnerable Netlogon se
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 unaut
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CVE-2019-11043P1CRITICALCVSS 9.8KEVPoCRansomwarev12.04v14.04+4 more2019-10-28
CVE-2019-11043 [CRITICAL] CWE-120 CVE-2019-11043: In PHP versions 7.1.x below 7.1.33, 7.2.x below 7.2.24 and 7.3.x below 7.3.11 in certain configurati
In PHP versions 7.1.x below 7.1.33, 7.2.x below 7.2.24 and 7.3.x below 7.3.11 in certain configurations of FPM setup it is possible to cause FPM module to write past allocated buffers into the space reserved for FCGI protocol data, thus opening the possibility of remote code execution.
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CVE-2019-10149P1CRITICALCVSS 9.8KEVPoCv18.04v18.102019-06-05
CVE-2019-10149 [CRITICAL] CWE-78 CVE-2019-10149: A flaw was found in Exim versions 4.87 to 4.91 (inclusive). Improper validation of recipient address
A flaw was found in Exim versions 4.87 to 4.91 (inclusive). Improper validation of recipient address in deliver_message() function in /src/deliver.c may lead to remote command execution.
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CVE-2020-11651P1CRITICALCVSS 9.8KEVPoCv16.04v18.042020-04-30
CVE-2020-11651 [CRITICAL] CVE-2020-11651: An issue was discovered in SaltStack Salt before 2019.2.4 and 3000 before 3000.2. The salt-master pr
An issue was discovered in SaltStack Salt before 2019.2.4 and 3000 before 3000.2. The salt-master process ClearFuncs class does not properly validate method calls. This allows a remote user to access some methods without authentication. These methods can be used to retrieve user tokens from the salt master and/or run arbitrary commands on salt minions.
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CVE-2016-3427P1CRITICALCVSS 9.8KEVPoCv12.04v14.04+2 more2016-04-21
CVE-2016-3427 [CRITICAL] CWE-284 CVE-2016-3427: Unspecified vulnerability in Oracle Java SE 6u113, 7u99, and 8u77; Java SE Embedded 8u77; and JRocki
Unspecified vulnerability in Oracle Java SE 6u113, 7u99, and 8u77; Java SE Embedded 8u77; and JRockit R28.3.9 allows remote attackers to affect confidentiality, integrity, and availability via vectors related to JMX.
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CVE-2013-0422P1CRITICALCVSS 9.8KEVPoCRansomwarev12.102013-01-10
CVE-2013-0422 [CRITICAL] CVE-2013-0422: Multiple vulnerabilities in Oracle Java 7 before Update 11 allow remote attackers to execute arbitra
Multiple vulnerabilities in Oracle Java 7 before Update 11 allow remote attackers to execute arbitrary code by (1) using the public getMBeanInstantiator method in the JmxMBeanServer class to obtain a reference to a private MBeanInstantiator object, then retrieving arbitrary Class references using the findClass method, and (2) using the Reflection API with r
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CVE-2014-6271P1CRITICALCVSS 9.8KEVPoCv10.04v12.04+1 more2014-09-24
CVE-2014-6271 [CRITICAL] CWE-78 CVE-2014-6271: GNU Bash through 4.3 processes trailing strings after function definitions in the values of environm
GNU Bash through 4.3 processes trailing strings after function definitions in the values of environment variables, which allows remote attackers to execute arbitrary code via a crafted environment, as demonstrated by vectors involving the ForceCommand feature in OpenSSH sshd, the mod_cgi and mod_cgid modules in the Apache HTTP Server, scripts execute
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CVE-2020-7247P1CRITICALCVSS 9.8KEVPoCv18.04v19.102020-01-29
CVE-2020-7247 [CRITICAL] CWE-78 CVE-2020-7247: smtp_mailaddr in smtp_session.c in OpenSMTPD 6.6, as used in OpenBSD 6.6 and other products, allows
smtp_mailaddr in smtp_session.c in OpenSMTPD 6.6, as used in OpenBSD 6.6 and other products, allows remote attackers to execute arbitrary commands as root via a crafted SMTP session, as demonstrated by shell metacharacters in a MAIL FROM field. This affects the "uncommented" default configuration. The issue exists because of an incorrect return value
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CVE-2010-0840P1CRITICALCVSS 9.8KEVPoCRansomwarev8.04v8.10+2 more2010-04-01
CVE-2010-0840 [CRITICAL] CVE-2010-0840: Unspecified vulnerability in the Java Runtime Environment component in Oracle Java SE and Java for B
Unspecified vulnerability in the Java Runtime Environment component in Oracle Java SE and Java for Business 6 Update 18, 5.0 Update 23, and 1.4.2_25 allows remote attackers to affect confidentiality, integrity, and availability via unknown vectors. NOTE: the previous information was obtained from the March 2010 CPU. Oracle has not commented on claims from a
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CVE-2014-7169P1CRITICALCVSS 9.8KEVPoCv10.04v12.04+1 more2014-09-25
CVE-2014-7169 [CRITICAL] CVE-2014-7169: GNU Bash through 4.3 bash43-025 processes trailing strings after certain malformed function definiti
GNU Bash through 4.3 bash43-025 processes trailing strings after certain malformed function definitions in the values of environment variables, which allows remote attackers to write to files or possibly have unknown other impact via a crafted environment, as demonstrated by vectors involving the ForceCommand feature in OpenSSH sshd, the mod_cgi and mod_cgi
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CVE-2011-3544P1CRITICALCVSS 9.8KEVPoCv10.04v10.10+2 more2011-10-19
CVE-2011-3544 [CRITICAL] CWE-284 CVE-2011-3544: Unspecified vulnerability in the Java Runtime Environment component in Oracle Java SE JDK and JRE 7
Unspecified vulnerability in the Java Runtime Environment component in Oracle Java SE JDK and JRE 7 and 6 Update 27 and earlier allows remote untrusted Java Web Start applications and untrusted Java applets to affect confidentiality, integrity, and availability via unknown vectors related to Scripting.
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CVE-2018-6789P1CRITICALCVSS 9.8KEVPoCRansomwarev14.04v16.04+1 more2018-02-08
CVE-2018-6789 [CRITICAL] CWE-120 CVE-2018-6789: An issue was discovered in the base64d function in the SMTP listener in Exim before 4.90.1. By sendi
An issue was discovered in the base64d function in the SMTP listener in Exim before 4.90.1. By sending a handcrafted message, a buffer overflow may happen. This can be used to execute code remotely.
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CVE-2017-12617P1HIGHCVSS 8.1KEVPoCv12.04v16.04+2 more2017-10-04
CVE-2017-12617 [HIGH] CWE-434 CVE-2017-12617: When running Apache Tomcat versions 9.0.0.M1 to 9.0.0, 8.5.0 to 8.5.22, 8.0.0.RC1 to 8.0.46 and 7.0.
When running Apache Tomcat versions 9.0.0.M1 to 9.0.0, 8.5.0 to 8.5.22, 8.0.0.RC1 to 8.0.46 and 7.0.0 to 7.0.81 with HTTP PUTs enabled (e.g. via setting the readonly initialisation parameter of the Default servlet to false) it was possible to upload a JSP file to the server via a specially crafted request. This JSP could then be requested and any code
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CVE-2016-8735P1CRITICALCVSS 9.8KEVPoCv16.042017-04-06
CVE-2016-8735 [CRITICAL] CVE-2016-8735: Remote code execution is possible with Apache Tomcat before 6.0.48, 7.x before 7.0.73, 8.x before 8.
Remote code execution is possible with Apache Tomcat before 6.0.48, 7.x before 7.0.73, 8.x before 8.0.39, 8.5.x before 8.5.7, and 9.x before 9.0.0.M12 if JmxRemoteLifecycleListener is used and an attacker can reach JMX ports. The issue exists because this listener wasn't updated for consistency with the CVE-2016-3427 Oracle patch that affected credential ty
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CVE-2021-4034P1HIGHCVSS 7.8KEVPoCRansomwarev14.04v16.04+3 more2022-01-28
CVE-2021-4034 [HIGH] CWE-787 CVE-2021-4034: A local privilege escalation vulnerability was found on polkit's pkexec utility. The pkexec applicat
A local privilege escalation vulnerability was found on polkit's pkexec utility. The pkexec application is a setuid tool designed to allow unprivileged users to run commands as privileged users according predefined policies. The current version of pkexec doesn't handle the calling parameters count correctly and ends trying to execute environment variabl
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CVE-2016-3714P1HIGHCVSS 8.4KEVPoCv12.04v14.04+2 more2016-05-05
CVE-2016-3714 [HIGH] CWE-20 CVE-2016-3714: The (1) EPHEMERAL, (2) HTTPS, (3) MVG, (4) MSL, (5) TEXT, (6) SHOW, (7) WIN, and (8) PLT coders in I
The (1) EPHEMERAL, (2) HTTPS, (3) MVG, (4) MSL, (5) TEXT, (6) SHOW, (7) WIN, and (8) PLT coders in ImageMagick before 6.9.3-10 and 7.x before 7.0.1-1 allow remote attackers to execute arbitrary code via shell metacharacters in a crafted image, aka "ImageTragick."
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CVE-2010-4344P1CRITICALCVSS 9.8KEVPoCv6.06v8.04+1 more2010-12-14
CVE-2010-4344 [CRITICAL] CWE-787 CVE-2010-4344: Heap-based buffer overflow in the string_vformat function in string.c in Exim before 4.70 allows rem
Heap-based buffer overflow in the string_vformat function in string.c in Exim before 4.70 allows remote attackers to execute arbitrary code via an SMTP session that includes two MAIL commands in conjunction with a large message containing crafted headers, leading to improper rejection logging.
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CVE-2014-0160P1HIGHCVSS 7.5KEVPoCv12.04v12.10+1 more2014-04-07
CVE-2014-0160 [HIGH] CWE-125 CVE-2014-0160: The (1) TLS and (2) DTLS implementations in OpenSSL 1.0.1 before 1.0.1g do not properly handle Heart
The (1) TLS and (2) DTLS implementations in OpenSSL 1.0.1 before 1.0.1g do not properly handle Heartbeat Extension packets, which allows remote attackers to obtain sensitive information from process memory via crafted packets that trigger a buffer over-read, as demonstrated by reading private keys, related to d1_both.c and t1_lib.c, aka the Heartbleed b
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CVE-2023-4911P1HIGHCVSS 7.8KEVPoCRansomwarev22.04v23.042023-10-03
CVE-2023-4911 [HIGH] CWE-122 CVE-2023-4911: A buffer overflow was discovered in the GNU C Library's dynamic loader ld.so while processing the GL
A buffer overflow was discovered in the GNU C Library's dynamic loader ld.so while processing the GLIBC_TUNABLES environment variable. This issue could allow a local attacker to use maliciously crafted GLIBC_TUNABLES environment variables when launching binaries with SUID permission to execute code with elevated privileges.
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CVE-2026-31431P1HIGHCVSS 7.8KEVPoCv14.04v16.04+5 more2026-04-22
CVE-2026-31431 [HIGH] CWE-669 CVE-2026-31431: In the Linux kernel, the following vulnerability has been resolved: crypto: algif_aead - Revert to
In the Linux kernel, the following vulnerability has been resolved:
crypto: algif_aead - Revert to operating out-of-place
This mostly reverts commit 72548b093ee3 except for the copying of
the associated data.
There is no benefit in operating in-place in algif_aead since the
source and destination come from different mappings. Get rid of
all the compl
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