Enterprise Linux Server vulnerabilities
73 known vulnerabilities in Enterprise Linux Server from Red Hat. 69 are rated high or critical, and 59 have been exploited in real attacks. Each entry lists the affected versions and the release that fixes it, where the vendor has published one.
Latest first
- 7.5 High severity
Red Hat Enterprise Linux 10: Out-of-bounds Write
A flaw was found in libxml2's xmlBuildQName function, where integer overflows in buffer size calculations can lead to a stack-based buffer overflow. This issue can result in memory corruption or a denial of service when processing crafted input.
- 7.5 High severity
Red Hat Enterprise Linux 10: Use of Uninitialized Resource
A flaw was found in rsync which could be triggered when rsync compares file checksums. This flaw allows an attacker to manipulate the checksum length (s2length) to cause a comparison between a checksum and uninitialized memory and leak one byte of uninitialize
- 7.8 High severity
Linux Kernel Use-After-Free Exploited
A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation. The nft_verdict_init() function allows positive values as drop error within the hook verdict, and hence the nf_hook_slow
- 7.8 High severity
Red Hat Enterprise Linux 7: Out-of-bounds Write
A flaw was found in the X.Org server. The cursor code in both Xephyr and Xwayland uses the wrong type of private at creation. It uses the cursor bits type with the cursor as private, and when initiating the cursor, that overwrites the XSELINUX context.
- 9.8 Critical severity
Red Hat Enterprise Linux 6 Extended Lifecycle…: Out-of-bounds Write
A flaw was found in X.Org server. Both DeviceFocusEvent and the XIQueryPointer reply contain a bit for each logical button currently down. Buttons can be arbitrarily mapped to any value up to 255, but the X.Org Server was only allocating space for the device's
- 8.8 High severity
Red Hat Advanced Cluster Security 4.2: Integer Overflow or Wraparound
A flaw was found in PostgreSQL that allows authenticated database users to execute arbitrary code through missing overflow checks during SQL array value modification. This issue exists due to an integer overflow during array modification where a remote user ca
- 7.5 High severity
Red Hat Enterprise Linux 6 Extended Lifecycle…: Buffer Copy without Checking Size of Input
Squid is vulnerable to a Denial of Service, where a remote attacker can perform buffer overflow attack by writing up to 2 MB of arbitrary data to heap memory when Squid is configured to accept HTTP Digest Authentication.
- 7.8 High severity
Red Hat Enterprise Linux 7: Exposure of Resource to Wrong Sphere
A vulnerability was found in insights-client. This security issue occurs because of insecure file operations or unsafe handling of temporary files and directories that lead to local privilege escalation. Before the insights-client has been registered on the sy
- 7.8 High severity
Red Hat Enterprise Linux 6 Extended Lifecycle…: Out-of-bounds Write
A out-of-bounds write flaw was found in the xorg-x11-server. This issue occurs due to an incorrect calculation of a buffer offset when copying data stored in the heap in the XIChangeDeviceProperty function in Xi/xiproperty.c and in RRChangeOutputProperty funct
- 7.8 High severity
Red Hat Enterprise Linux 7: Incorrect Authorization
A vulnerability was found in subscription-manager that allows local privilege escalation due to inadequate authorization. The D-Bus interface com.redhat.RHSM1 exposes a significant number of methods to all users that could change the state of the registration.
- 7.8 High severity
kernel: Integer Overflow or Wraparound
A buffer overflow vulnerability was found in the Netfilter subsystem in the Linux Kernel. This issue could allow the leakage of both stack and heap addresses, and potentially allow Local Privilege Escalation to the root user via arbitrary code execution.
- 7.8 High severity
xorg-x11-server: Use After Free
A vulnerability was found in X.Org. This issue occurs due to a dangling pointer in DeepCopyPointerClasses that can be exploited by ProcXkbSetDeviceInfo() and ProcXkbGetDeviceInfo() to read and write into freed memory. This can lead to local privilege elevation
- 8.8 High severity
WebKitGTK Memory Corruption Exploited
A vulnerability was found in WebKit. The flaw is triggered when processing maliciously crafted web content that may lead to arbitrary code execution. Improved memory handling addresses the multiple memory corruption issues.
- 7.5 High severity
podman: Use After Free
The version of podman as released for Red Hat Enterprise Linux 7 Extras via RHSA-2022:2190 advisory included an incorrect version of podman missing the fix for CVE-2020-8945, which was previously fixed via RHSA-2020:2117. This issue could possibly be used to c
- 8.8 High severity
psgo: Improper Privilege Management
A privilege escalation flaw was found in Podman. This flaw allows an attacker to publish a malicious image to a public registry. Once this image is downloaded by a potential victim, the vulnerability is triggered after a user runs the 'podman top' command. Thi
- 7.8 High severity
kernel: Improper Preservation of Permissions
A random memory access flaw was found in the Linux kernel's GPU i915 kernel driver functionality in the way a user may run malicious code on the GPU. This flaw allows a local user to crash the system or escalate their privileges on the system.
- 7.8 High severity
Red Hat Polkit Out-of-Bounds Read and Write Exploited
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
- 9.0 Critical severity
Apache HTTP Server-Side Request Forgery (SSRF) Exploited
A crafted request uri-path can cause mod_proxy to forward the request to an origin server choosen by the remote user. This issue affects Apache HTTP Server 2.4.48 and earlier.
- 8.8 High severity
Google Chromium V8 Type Confusion Exploited
Type confusion in V8 in Google Chrome prior to 80.0.3987.122 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
- 8.8 High severity
Apple Multiple Products Type Confusion Exploited
A type confusion issue was addressed with improved memory handling. This issue is fixed in iOS 12.2, tvOS 12.2, watchOS 5.2, Safari 12.1, iTunes 12.9.4 for Windows, iCloud for Windows 7.11. Processing maliciously crafted web content may lead to arbitrary code
- 9.8 Critical severity
VMware ESXi and Horizon DaaS OpenSLP Heap-Based Buffer Overflow Exploited
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.
- 9.8 Critical severity
PHP FastCGI Process Manager (FPM) Buffer Overflow Exploited
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
- 7.8 High severity
Adobe Flash Player Use-After-Free Exploited
Flash Player versions 31.0.0.153 and earlier, and 31.0.0.108 and earlier have a use after free vulnerability. Successful exploitation could lead to arbitrary code execution.
- 8.8 High severity
Google Chromium V8 Out-of-Bounds Write Exploited
Execution of user supplied Javascript during array deserialization leading to an out of bounds write in V8 in Google Chrome prior to 71.0.3578.80 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.
- 8.8 High severity
Google Chromium V8 Integer Overflow Exploited
Integer overflow in computing the required allocation size when instantiating a new javascript object in V8 in Google Chrome prior to 65.0.3325.146 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
- 8.8 High severity
Google Chromium V8 Remote Code Execution Exploited
Incorrect side effect annotation in V8 in Google Chrome prior to 70.0.3538.64 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.
- 7.8 High severity
Linux Kernel Integer Overflow Exploited
An integer overflow flaw was found in the Linux kernel's create_elf_tables() function. An unprivileged local user with access to SUID (or otherwise privileged) binary could use this flaw to escalate their privileges on the system. Kernel versions 2.6.x, 3.10.x
- 7.8 High severity
Adobe Flash Player Stack-based Buffer Overflow Exploited
Adobe Flash Player versions 29.0.0.171 and earlier have a Stack-based buffer overflow vulnerability. Successful exploitation could lead to arbitrary code execution in the context of the current user.
- 7.5 High severity
Mozilla Firefox, Firefox ESR, and Thunderbird Use-After-Free Exploited
A use-after-free vulnerability in SVG Animation has been discovered. An exploit built on this vulnerability has been discovered in the wild targeting Firefox and Tor Browser users on Windows. This vulnerability affects Firefox < 50.0.2, Firefox ESR < 45.5.1, a
- 7.8 High severity
Adobe Flash Player Use-After-Free Exploited
A use-after-free vulnerability was discovered in Adobe Flash Player before 28.0.0.161. This vulnerability occurs due to a dangling pointer in the Primetime SDK related to media player handling of listener objects. A successful attack can lead to arbitrary code
- 8.8 High severity
Google Chromium V8 Type Confusion Exploited
Type confusion in V8 in Google Chrome prior to 59.0.3071.86 for Linux, Windows, and Mac, and 59.0.3071.92 for Android, allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.
- 8.8 High severity
Adobe Flash Player Type Confusion Exploited
Adobe Flash Player version 27.0.0.159 and earlier has a flawed bytecode verification procedure, which allows for an untrusted value to be used in the calculation of an array index. This can lead to type confusion, and successful exploitation could lead to arbi
- 8.1 High severity
Apache Tomcat Remote Code Execution Exploited
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
- 8.1 High severity
Apache Tomcat on Windows Remote Code Execution Exploited
When running Apache Tomcat 7.0.0 to 7.0.79 on Windows with HTTP PUTs enabled (e.g. via setting the readonly initialisation parameter of the Default to false) it was possible to upload a JSP file to the server via a specially crafted request. This JSP could the
- 7.8 High severity
Artifex Ghostscript Type Confusion Exploited
Artifex Ghostscript through 2017-04-26 allows -dSAFER bypass and remote command execution via .rsdparams type confusion with a "/OutputFile (%pipe%" substring in a crafted .eps document that is an input to the gs program, as exploited in the wild in April 2017
- 8.8 High severity
Google Chromium V8 Memory Corruption Exploited
Incorrect handling of complex species in V8 in Google Chrome prior to 57.0.2987.98 for Linux, Windows, and Mac and 57.0.2987.108 for Android allowed a remote attacker to execute arbitrary code via a crafted HTML page.
- 8.8 High severity
Google Chromium V8 Out-of-Bounds Memory Exploited
V8 in Google Chrome prior to 54.0.2840.90 for Linux, and 54.0.2840.85 for Android, and 54.0.2840.87 for Windows and Mac included incorrect optimisation assumptions, which allowed a remote attacker to perform arbitrary read/write operations, leading to code exe
- 8.8 High severity
Adobe Flash Player Use-After-Free Exploited
Use-after-free vulnerability in Adobe Flash Player before 23.0.0.205 on Windows and OS X and before 11.2.202.643 on Linux allows remote attackers to execute arbitrary code via unspecified vectors, as exploited in the wild in October 2016.
- 9.8 Critical severity
Adobe Flash Player Remote Code Execution Exploited
Unspecified vulnerability in Adobe Flash Player 21.0.0.242 and earlier allows remote attackers to execute arbitrary code via unknown vectors, as exploited in the wild in June 2016.
- 9.8 Critical severity
Adobe Flash Player Arbitrary Code Execution Exploited
Adobe Flash Player 21.0.0.226 and earlier allows remote attackers to execute arbitrary code via unspecified vectors, as exploited in the wild in May 2016.