CyberSecBulletin

Fedora Project vulnerabilities

We track 791 vulnerabilities in Fedora Project products across 4 products. 779 are rated high or critical, and 88 have been exploited in real attacks. The most recent was published on October 6, 2026.

791vulnerabilities
136critical
643high
88exploited
8.4average CVSS score

Latest Fedora Project vulnerabilities

  • 9.8 Critical severity

    Apple iOS, iPadOS, and macOS WebKit Remote Code Execution Exploited

    CVE-2021-1871AppleEPSS 7%

    A logic issue was addressed with improved restrictions. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, iOS 14.4 and iPadOS 14.4. A remote attacker may be able to cause arbitrary code execution. Ap

  • 9.8 Critical severity

    Apple iOS, iPadOS, and macOS WebKit Remote Code Execution Exploited

    CVE-2021-1870AppleEPSS 7.71%

    A logic issue was addressed with improved restrictions. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, iOS 14.4 and iPadOS 14.4. A remote attacker may be able to cause arbitrary code execution. Ap

  • 8.8 High severity

    Apple Multiple Products Type Confusion Exploited

    CVE-2021-1789AppleEPSS 14%

    A type confusion issue was addressed with improved state handling. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, tvOS 14.4, watchOS 7.3, iOS 14.4 and iPadOS 14.4, Safari 14.0.3. Processing malici

  • 8.8 High severity

    Google Chromium Blink Use-After-Free Exploited

    CVE-2021-21193GoogleEPSS 9.95%

    Use after free in Blink in Google Chrome prior to 89.0.4389.90 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

  • 8.8 High severity

    Google Chromium Race Condition Exploited

    CVE-2021-21166GoogleEPSS 24%

    Data race in audio in Google Chrome prior to 89.0.4389.72 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

  • 8.8 High severity

    Google Chromium V8 Heap Buffer Overflow Exploited

    CVE-2021-21148GoogleEPSS 20%

    Heap buffer overflow in V8 in Google Chrome prior to 88.0.4324.150 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

  • 7.8 High severity

    Sudo Heap-Based Buffer Overflow Exploited

    CVE-2021-3156Sudo ProjectEPSS 100%

    Sudo before 1.9.5p2 contains an off-by-one error that can result in a heap-based buffer overflow, which allows privilege escalation to root via "sudoedit -s" and a command-line argument that ends with a single backslash character.

  • 7.5 High severity

    PEAR Archive_Tar Improper Link Resolution Exploited

    CVE-2020-36193PHPEPSS 70.6%

    Tar.php in Archive_Tar through 1.4.11 allows write operations with Directory Traversal due to inadequate checking of symbolic links, a related issue to CVE-2020-28948.

  • 6.1 Medium severity

    Roundcube Webmail Cross-Site Scripting (XSS) Exploited

    CVE-2020-35730RoundcubeEPSS 32.9%

    An XSS issue was discovered in Roundcube Webmail before 1.2.13, 1.3.x before 1.3.16, and 1.4.x before 1.4.10. The attacker can send a plain text e-mail message, with JavaScript in a link reference element that is mishandled by linkref_addindex in rcube_string_

  • 8.8 High severity

    Drupal core Un-restricted Upload of File Exploited

    CVE-2020-13671DrupalEPSS 32.6%

    Drupal core does not properly sanitize certain filenames on uploaded files, which can lead to files being interpreted as the incorrect extension and served as the wrong MIME type or executed as PHP for certain hosting configurations. This issue affects: Drupal

  • 7.8 High severity

    PEAR Archive_Tar Deserialization of Untrusted Data Exploited

    CVE-2020-28949PHPEPSS 84.6%

    Archive_Tar through 1.4.10 has :// filename sanitization only to address phar attacks, and thus any other stream-wrapper attack (such as file:// to overwrite files) can still succeed.

  • 9.8 Critical severity

    SaltStack Salt Shell Injection Exploited

    CVE-2020-16846SaltstackEPSS 99.6%

    An issue was discovered in SaltStack Salt through 3002. Sending crafted web requests to the Salt API, with the SSH client enabled, can result in shell injection.

  • 8.8 High severity

    Google Chromium V8 Type Confusion Exploited

    CVE-2020-16009GoogleEPSS 48.3%

    Inappropriate implementation in V8 in Google Chrome prior to 86.0.4240.183 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

  • 9.6 Critical severity

    Google Chrome FreeType Heap Buffer Overflow Exploited

    CVE-2020-15999GoogleEPSS 63.9%

    Heap buffer overflow in Freetype in Google Chrome prior to 86.0.4240.111 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

  • 10.0 Critical severity

    Microsoft Netlogon Privilege Escalation Exploited

    CVE-2020-1472MicrosoftEPSS 99.4%

    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

  • 6.1 Medium severity

    Roundcube Webmail Cross-Site Scripting (XSS) Exploited

    CVE-2020-13965RoundcubeEPSS 76.6%

    An issue was discovered in Roundcube Webmail before 1.3.12 and 1.4.x before 1.4.5. There is XSS via a malicious XML attachment because text/xml is among the allowed types for a preview.

  • 6.1 Medium severity

    JQuery Cross-Site Scripting (XSS) Exploited

    CVE-2020-11023JqueryEPSS 84.9%

    In jQuery versions greater than or equal to 1.0.3 and before 3.5.0, passing HTML containing <option> elements from untrusted sources - even after sanitizing it - to one of jQuery's DOM manipulation methods (i.e. .html(), .append(), and others) may execute untr

  • 8.8 High severity

    Google Chromium V8 Type Confusion Exploited

    CVE-2020-6418GoogleEPSS 78.8%

    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.

  • 9.8 Critical severity

    Apache Tomcat Improper Privilege Management Exploited

    CVE-2020-1938ApacheEPSS 99.3%

    When using the Apache JServ Protocol (AJP), care must be taken when trusting incoming connections to Apache Tomcat. Tomcat treats AJP connections as having higher trust than, for example, a similar HTTP connection. If such connections are available to an attac

  • 9.8 Critical severity

    OpenSMTPD Remote Code Execution Exploited

    CVE-2020-7247OpenBSDEPSS 99%

    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 th

  • 9.8 Critical severity

    VMware ESXi and Horizon DaaS OpenSLP Heap-Based Buffer Overflow Exploited

    CVE-2019-5544ESXi and Horizon DaaSEPSS 98.1%

    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

    CVE-2019-11043PHPEPSS 99.8%

    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

  • 9.8 Critical severity

    Exim Out-of-bounds Write Exploited

    CVE-2019-16928EximEPSS 41.6%

    Exim 4.92 through 4.92.2 allows remote code execution, a different vulnerability than CVE-2019-15846. There is a heap-based buffer overflow in string_vformat in string.c involving a long EHLO command.

  • 7.8 High severity

    Linux Kernel Improper Privilege Management Exploited

    CVE-2019-13272LinuxEPSS 52.2%

    In the Linux kernel before 5.1.17, ptrace_link in kernel/ptrace.c mishandles the recording of the credentials of a process that wants to create a ptrace relationship, which allows local users to obtain root access by leveraging certain scenarios with a parent-

  • 7.8 High severity

    Apache HTTP Server Privilege Escalation Exploited

    CVE-2019-0211ApacheEPSS 65%

    In Apache HTTP Server 2.4 releases 2.4.17 to 2.4.38, with MPM event, worker or prefork, code executing in less-privileged child processes or threads (including scripts executed by an in-process scripting interpreter) could execute arbitrary code with the privi

  • 7.5 High severity

    Rails Ruby on Rails Path Traversal Exploited

    CVE-2019-5418RailsEPSS 98.5%

    There is a File Content Disclosure vulnerability in Action View <5.2.2.1, <5.1.6.2, <5.0.7.2, <4.2.11.1 and v3 where specially crafted accept headers can cause contents of arbitrary files on the target system's filesystem to be exposed.

  • 7.0 High severity

    Linux Kernel Race Condition Exploited

    CVE-2016-5195CanonicalEPSS 83.5%

    Race condition in mm/gup.c in the Linux kernel 2.x through 4.x before 4.8.3 allows local users to gain privileges by leveraging incorrect handling of a copy-on-write (COW) feature to write to a read-only memory mapping, as exploited in the wild in October 2016

  • 7.8 High severity

    ISC BIND Data Processing Errors Exploited

    CVE-2015-5477Juniper NetworksEPSS 99.6%

    named in ISC BIND 9.x before 9.9.7-P2 and 9.10.x before 9.10.2-P3 allows remote attackers to cause a denial of service (REQUIRE assertion failure and daemon exit) via TKEY queries.

  • 10.0 High severity

    ProFTPD Improper Access Control Exploited

    CVE-2015-3306Fedora ProjectEPSS 99.5%

    The mod_copy module in ProFTPD 1.3.5 allows remote attackers to read and write to arbitrary files via the site cpfr and site cpto commands.

  • 7.5 High severity

    OpenSSL Information Disclosure Exploited

    CVE-2014-0160OpenSSLEPSS 100%

    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, a

  • 7.5 High severity

    PHP-CGI Query String Parameter Exploited

    CVE-2012-1823PHPEPSS 100%

    sapi/cgi/cgi_main.c in PHP before 5.3.12 and 5.4.x before 5.4.2, when configured as a CGI script (aka php-cgi), does not properly handle query strings that lack an = (equals sign) character, which allows remote attackers to execute arbitrary code by placing co