Vulnerabilities (CVE)

Filtered by vendor Redhat Subscribe
Filtered by product Enterprise Linux Server Aus
Total 1062 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2019-6974 5 Canonical, Debian, F5 and 2 more 24 Ubuntu Linux, Debian Linux, Big-ip Access Policy Manager and 21 more 2026-06-17 6.8 MEDIUM 8.1 HIGH
In the Linux kernel before 4.20.8, kvm_ioctl_create_device in virt/kvm/kvm_main.c mishandles reference counting because of a race condition, leading to a use-after-free.
CVE-2019-6470 3 Isc, Opensuse, Redhat 19 Dhcpd, Leap, Enterprise Linux and 16 more 2026-06-17 5.0 MEDIUM 6.5 MEDIUM
There had existed in one of the ISC BIND libraries a bug in a function that was used by dhcpd when operating in DHCPv6 mode. There was also a bug in dhcpd relating to the use of this function per its documentation, but the bug in the library function prevented this from causing any harm. All releases of dhcpd from ISC contain copies of this, and other, BIND libraries in combinations that have been tested prior to release and are known to not present issues like this. Some third-party packagers of ISC software have modified the dhcpd source, BIND source, or version matchup in ways that create the crash potential. Based on reports available to ISC, the crash probability is large and no analysis has been done on how, or even if, the probability can be manipulated by an attacker. Affects: Builds of dhcpd versions prior to version 4.4.1 when using BIND versions 9.11.2 or later, or BIND versions with specific bug fixes backported to them. ISC does not have access to comprehensive version lists for all repackagings of dhcpd that are vulnerable. In particular, builds from other vendors may also be affected. Operators are advised to consult their vendor documentation.
CVE-2019-6454 8 Canonical, Debian, Fedoraproject and 5 more 22 Ubuntu Linux, Debian Linux, Fedora and 19 more 2026-06-17 4.9 MEDIUM 5.5 MEDIUM
An issue was discovered in sd-bus in systemd 239. bus_process_object() in libsystemd/sd-bus/bus-objects.c allocates a variable-length stack buffer for temporarily storing the object path of incoming D-Bus messages. An unprivileged local user can exploit this by sending a specially crafted message to PID1, causing the stack pointer to jump over the stack guard pages into an unmapped memory region and trigger a denial of service (systemd PID1 crash and kernel panic).
CVE-2019-6133 4 Canonical, Debian, Polkit Project and 1 more 9 Ubuntu Linux, Debian Linux, Polkit and 6 more 2026-06-17 4.4 MEDIUM 6.7 MEDIUM
In PolicyKit (aka polkit) 0.115, the "start time" protection mechanism can be bypassed because fork() is not atomic, and therefore authorization decisions are improperly cached. This is related to lack of uid checking in polkitbackend/polkitbackendinteractiveauthority.c.
CVE-2019-6116 6 Artifex, Canonical, Debian and 3 more 11 Ghostscript, Ubuntu Linux, Debian Linux and 8 more 2026-06-17 6.8 MEDIUM 7.8 HIGH
In Artifex Ghostscript through 9.26, ephemeral or transient procedures can allow access to system operators, leading to remote code execution.
CVE-2019-6111 10 Apache, Canonical, Debian and 7 more 27 Mina Sshd, Ubuntu Linux, Debian Linux and 24 more 2026-06-17 5.8 MEDIUM 5.9 MEDIUM
An issue was discovered in OpenSSH 7.9. Due to the scp implementation being derived from 1983 rcp, the server chooses which files/directories are sent to the client. However, the scp client only performs cursory validation of the object name returned (only directory traversal attacks are prevented). A malicious scp server (or Man-in-The-Middle attacker) can overwrite arbitrary files in the scp client target directory. If recursive operation (-r) is performed, the server can manipulate subdirectories as well (for example, to overwrite the .ssh/authorized_keys file).
CVE-2019-6109 9 Canonical, Debian, Fedoraproject and 6 more 28 Ubuntu Linux, Debian Linux, Fedora and 25 more 2026-06-17 4.0 MEDIUM 6.8 MEDIUM
An issue was discovered in OpenSSH 7.9. Due to missing character encoding in the progress display, a malicious server (or Man-in-The-Middle attacker) can employ crafted object names to manipulate the client output, e.g., by using ANSI control codes to hide additional files being transferred. This affects refresh_progress_meter() in progressmeter.c.
CVE-2019-5544 4 Fedoraproject, Openslp, Redhat and 1 more 16 Fedora, Openslp, Enterprise Linux Desktop and 13 more 2026-06-17 7.5 HIGH 9.8 CRITICAL
OpenSLP as used in ESXi and the Horizon DaaS appliances has a heap overwrite issue. VMware has evaluated the severity of this issue to be in the Critical severity range with a maximum CVSSv3 base score of 9.8.
CVE-2019-5010 4 Debian, Opensuse, Python and 1 more 7 Debian Linux, Leap, Python and 4 more 2026-06-17 5.0 MEDIUM 7.5 HIGH
An exploitable denial-of-service vulnerability exists in the X509 certificate parser of Python.org Python 2.7.11 / 3.6.6. A specially crafted X509 certificate can cause a NULL pointer dereference, resulting in a denial of service. An attacker can initiate or accept TLS connections using crafted certificates to trigger this vulnerability.
CVE-2019-3896 2 Linux, Redhat 5 Linux Kernel, Enterprise Linux Desktop, Enterprise Linux Server and 2 more 2026-06-17 7.2 HIGH 7.0 HIGH
A double-free can happen in idr_remove_all() in lib/idr.c in the Linux kernel 2.6 branch. An unprivileged local attacker can use this flaw for a privilege escalation or for a system crash and a denial of service (DoS).
CVE-2019-3887 4 Canonical, Fedoraproject, Linux and 1 more 11 Ubuntu Linux, Fedora, Linux Kernel and 8 more 2026-06-17 4.7 MEDIUM 5.6 MEDIUM
A flaw was found in the way KVM hypervisor handled x2APIC Machine Specific Rregister (MSR) access with nested(=1) virtualization enabled. In that, L1 guest could access L0's APIC register values via L2 guest, when 'virtualize x2APIC mode' is enabled. A guest could use this flaw to potentially crash the host kernel resulting in DoS issue. Kernel versions from 4.16 and newer are vulnerable to this issue.
CVE-2019-3878 4 Canonical, Fedoraproject, Mod Auth Mellon Project and 1 more 10 Ubuntu Linux, Fedora, Mod Auth Mellon and 7 more 2026-06-17 6.8 MEDIUM 8.1 HIGH
A vulnerability was found in mod_auth_mellon before v0.14.2. If Apache is configured as a reverse proxy and mod_auth_mellon is configured to only let through authenticated users (with the require valid-user directive), adding special HTTP headers that are normally used to start the special SAML ECP (non-browser based) can be used to bypass authentication.
CVE-2019-3863 5 Debian, Libssh2, Netapp and 2 more 10 Debian Linux, Libssh2, Ontap Select Deploy Administration Utility and 7 more 2026-06-17 6.8 MEDIUM 7.5 HIGH
A flaw was found in libssh2 before 1.8.1 creating a vulnerability on the SSH client side. A server could send a multiple keyboard interactive response messages whose total length are greater than unsigned char max characters. This value is used by the SSH client as an index to copy memory causing in an out of bounds memory write error.
CVE-2019-3857 7 Debian, Fedoraproject, Libssh2 and 4 more 13 Debian Linux, Fedora, Libssh2 and 10 more 2026-06-17 6.8 MEDIUM 8.8 HIGH
An integer overflow flaw which could lead to an out of bounds write was discovered in libssh2 before 1.8.1 in the way SSH_MSG_CHANNEL_REQUEST packets with an exit signal are parsed. A remote attacker who compromises a SSH server may be able to execute code on the client system when a user connects to the server.
CVE-2019-3856 7 Debian, Fedoraproject, Libssh2 and 4 more 13 Debian Linux, Fedora, Libssh2 and 10 more 2026-06-17 6.8 MEDIUM 8.8 HIGH
An integer overflow flaw, which could lead to an out of bounds write, was discovered in libssh2 before 1.8.1 in the way keyboard prompt requests are parsed. A remote attacker who compromises a SSH server may be able to execute code on the client system when a user connects to the server.
CVE-2019-3855 8 Apple, Debian, Fedoraproject and 5 more 14 Xcode, Debian Linux, Fedora and 11 more 2026-06-17 9.3 HIGH 8.8 HIGH
An integer overflow flaw which could lead to an out of bounds write was discovered in libssh2 before 1.8.1 in the way packets are read from the server. A remote attacker who compromises a SSH server may be able to execute code on the client system when a user connects to the server.
CVE-2019-3838 5 Artifex, Debian, Fedoraproject and 2 more 12 Ghostscript, Debian Linux, Fedora and 9 more 2026-06-17 4.3 MEDIUM 5.5 MEDIUM
It was found that the forceput operator could be extracted from the DefineResource method in ghostscript before 9.27. A specially crafted PostScript file could use this flaw in order to, for example, have access to the file system outside of the constrains imposed by -dSAFER.
CVE-2019-3835 5 Artifex, Debian, Fedoraproject and 2 more 11 Ghostscript, Debian Linux, Fedora and 8 more 2026-06-17 4.3 MEDIUM 5.5 MEDIUM
It was found that the superexec operator was available in the internal dictionary in ghostscript before 9.27. A specially crafted PostScript file could use this flaw in order to, for example, have access to the file system outside of the constrains imposed by -dSAFER.
CVE-2019-3816 4 Fedoraproject, Opensuse, Openwsman Project and 1 more 11 Fedora, Leap, Openwsman and 8 more 2026-06-17 5.0 MEDIUM 7.5 HIGH
Openwsman, versions up to and including 2.6.9, are vulnerable to arbitrary file disclosure because the working directory of openwsmand daemon was set to root directory. A remote, unauthenticated attacker can exploit this vulnerability by sending a specially crafted HTTP request to openwsman server.
CVE-2019-3815 2 Debian, Redhat 7 Debian Linux, Enterprise Linux Desktop, Enterprise Linux Server and 4 more 2026-06-17 2.1 LOW 3.3 LOW
A memory leak was discovered in the backport of fixes for CVE-2018-16864 in Red Hat Enterprise Linux. Function dispatch_message_real() in journald-server.c does not free the memory allocated by set_iovec_field_free() to store the `_CMDLINE=` entry. A local attacker may use this flaw to make systemd-journald crash. This issue only affects versions shipped with Red Hat Enterprise since v219-62.2.