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.
Latest Fedora Project vulnerabilities
- 9.8 Critical severity
fluentd: Deserialization of Untrusted Data
Fluentd collects events from various data sources and writes them to files, RDBMS, NoSQL, IaaS, SaaS, Hadoop and so on. A remote code execution (RCE) vulnerability in non-default configurations of Fluentd allows unauthenticated attackers to execute arbitrary c
- 8.8 High severity
macOS: Access of Resource Using Incompatible Type
A type confusion issue was addressed with improved memory handling. This issue is fixed in tvOS 16.1, macOS Ventura 13, watchOS 9.1, Safari 16.1, iOS 16.1 and iPadOS 16. Processing maliciously crafted web content may lead to arbitrary code execution.
- 7.5 High severity
OpenSSL: Buffer Copy without Checking Size of Input
A buffer overrun can be triggered in X.509 certificate verification, specifically in name constraint checking. Note that this occurs after certificate chain signature verification and requires either a CA to have signed a malicious certificate or for an applic
- 7.5 High severity
OpenSSL: Out-of-bounds Write
A buffer overrun can be triggered in X.509 certificate verification, specifically in name constraint checking. Note that this occurs after certificate chain signature verification and requires either a CA to have signed the malicious certificate or for the app
- 8.0 High severity
phpCAS: Improper Control of Resource Identifiers
phpCAS is an authentication library that allows PHP applications to easily authenticate users via a Central Authentication Service (CAS) server. The phpCAS library uses HTTP headers to determine the service URL used to validate tickets. This allows an attacker
- 7.1 High severity
xen: Improper Access Control
x86: unintended memory sharing between guests On Intel systems that support the "virtualize APIC accesses" feature, a guest can read and write the global shared xAPIC page by moving the local APIC out of xAPIC mode. Access to this shared page bypasses the expe
- 7.0 High severity
xen: Incomplete Cleanup
Xenstore: Guests can get access to Xenstore nodes of deleted domains Access rights of Xenstore nodes are per domid. When a domain is gone, there might be Xenstore nodes left with access rights containing the domid of the removed domain. This is normally no pro
- 8.8 High severity
xen: Release of Invalid Pointer or Reference
Xenstore: Guests can crash xenstored Due to a bug in the fix of XSA-115 a malicious guest can cause xenstored to use a wrong pointer during node creation in an error path, resulting in a crash of xenstored or a memory corruption in xenstored causing further da
- 7.5 High severity
Strongswan: Uncontrolled Resource Consumption
strongSwan before 5.9.8 allows remote attackers to cause a denial of service in the revocation plugin by sending a crafted end-entity (and intermediate CA) certificate that contains a CRL/OCSP URL that points to a server (under the attacker's control) that doe
- 8.1 High severity
SIMATIC S7-1500 CPU 1518-4 PN/DP MFP: Double Free
curl before 7.86.0 has a double free. If curl is told to use an HTTP proxy for a transfer with a non-HTTP(S) URL, it sets up the connection to the remote server by issuing a CONNECT request to the proxy, and then tunnels the rest of the protocol through. An HT
- 7.8 High severity
Multipath-tools: Improper Privilege Management
multipath-tools 0.7.0 through 0.9.x before 0.9.2 allows local users to obtain root access, as exploited alone or in conjunction with CVE-2022-41973. Local users able to write to UNIX domain sockets can bypass access controls and manipulate the multipath setup.
- 7.8 High severity
Multipath-tools: Improper Link Resolution Before File Access
multipath-tools 0.7.7 through 0.9.x before 0.9.2 allows local users to obtain root access, as exploited in conjunction with CVE-2022-41974. Local users able to access /dev/shm can change symlinks in multipathd due to incorrect symlink handling, which could lea
- 7.5 High severity
SIMATIC S7-1500 CPU 1518-4 PN/DP MFP: Cleartext Transmission of Sensitive Information
In curl before 7.86.0, the HSTS check could be bypassed to trick it into staying with HTTP. Using its HSTS support, curl can be instructed to use HTTPS directly (instead of using an insecure cleartext HTTP step) even when HTTP is provided in the URL. This mech
- 7.5 High severity
vim: Use After Free
A vulnerability was found in vim and classified as problematic. Affected by this issue is the function qf_update_buffer of the file quickfix.c of the component autocmd Handler. The manipulation leads to use after free. The attack may be launched remotely. Upgr
- 8.8 High severity
jupyter_core: Uncontrolled Search Path Element
Jupyter Core is a package for the core common functionality of Jupyter projects. Jupyter Core prior to version 4.11.2 contains an arbitrary code execution vulnerability in `jupyter_core` that stems from `jupyter_core` executing untrusted files in CWD. This vul
- 7.5 High severity
SIMATIC S7-1500 CPU 1518-4 PN/DP MFP: Use After Free
In libexpat through 2.4.9, there is a use-after free caused by overeager destruction of a shared DTD in XML_ExternalEntityParserCreate in out-of-memory situations.
- 8.8 High severity
Kernel: Use After Free
A vulnerability, which was classified as critical, was found in Linux Kernel. Affected is the function l2cap_conn_del of the file net/bluetooth/l2cap_core.c of the component Bluetooth. The manipulation leads to use after free. It is recommended to apply a patc
- 9.8 Critical severity
RUGGEDCOM APE1808: Integer Overflow or Wraparound
The Keccak XKCP SHA-3 reference implementation before fdc6fef has an integer overflow and resultant buffer overflow that allows attackers to execute arbitrary code or eliminate expected cryptographic properties. This occurs in the sponge function interface.
- 9.8 Critical severity
Exim: Use After Free
A vulnerability was found in Exim and classified as problematic. This issue affects the function dmarc_dns_lookup of the file dmarc.c of the component DMARC Handler. The manipulation leads to use after free. The attack may be initiated remotely. The name of th
- 7.1 High severity
NGINX: Out-of-bounds Write
NGINX Open Source before versions 1.23.2 and 1.22.1, NGINX Open Source Subscription before versions R2 P1 and R1 P1, and NGINX Plus before versions R27 P1 and R26 P1 have a vulnerability in the module ngx_http_mp4_module that might allow a local attacker to ca
- 7.8 High severity
NGINX: Out-of-bounds Write
NGINX Open Source before versions 1.23.2 and 1.22.1, NGINX Open Source Subscription before versions R2 P1 and R1 P1, and NGINX Plus before versions R27 P1 and R26 P1 have a vulnerability in the module ngx_http_mp4_module that might allow a local attacker to co
- 8.8 High severity
git: Out-of-bounds Write
Git is an open source, scalable, distributed revision control system. `git shell` is a restricted login shell that can be used to implement Git's push/pull functionality via SSH. In versions prior to 2.30.6, 2.31.5, 2.32.4, 2.33.5, 2.34.5, 2.35.5, 2.36.3, and
- 7.5 High severity
minimatch: Inefficient Regular Expression Complexity
A vulnerability was found in the minimatch package. This flaw allows a Regular Expression Denial of Service (ReDoS) when calling the braceExpand function with specific arguments, resulting in a Denial of Service.
- 7.5 High severity
Exim: Use After Free
A vulnerability was found in Exim and classified as problematic. This issue affects some unknown processing of the component Regex Handler. The manipulation leads to use after free. The name of the patch is 4e9ed49f8f12eb331b29bd5b6dc3693c520fddc2. It is recom
- 8.8 High severity
Server: Buffer Copy without Checking Size of Input
A vulnerability classified as critical was found in X.org Server. Affected by this vulnerability is the function _GetCountedString of the file xkb/xkb.c. The manipulation leads to buffer overflow. It is recommended to apply a patch to fix this issue. The assoc
- 7.5 High severity
jasper: Missing Release of Memory after Effective Lifetime
A vulnerability found in jasper. This security vulnerability happens because of a memory leak bug in function cmdopts_parse that can cause a crash or segmentation fault.
- 7.8 High severity
SIMATIC S7-1500 TM MFP - GNU/Linux subsystem: Use After Free
Various refcounting bugs in the multi-BSS handling in the mac80211 stack in the Linux kernel 5.1 through 5.19.x before 5.19.16 could be used by local attackers (able to inject WLAN frames) to trigger use-after-free conditions to potentially execute code.
- 8.1 High severity
SIMATIC S7-1500 TM MFP - GNU/Linux subsystem: Out-of-bounds Write
An issue was discovered in the Linux kernel before 5.19.16. Attackers able to inject WLAN frames could cause a buffer overflow in the ieee80211_bss_info_update function in net/mac80211/scan.c.
- 8.8 High severity
SIMATIC S7-1500 TM MFP - GNU/Linux subsystem: Use After Free
A use-after-free in the mac80211 stack when parsing a multi-BSSID element in the Linux kernel 5.2 through 5.19.x before 5.19.16 could be used by attackers (able to inject WLAN frames) to crash the kernel and potentially execute code.
- 7.5 High severity
A parsing issue with binary data in protobuf-java core and lite versions prior to 3.21.7…
A parsing issue with binary data in protobuf-java core and lite versions prior to 3.21.7, 3.20.3, 3.19.6 and 3.16.3 can lead to a denial of service attack. Inputs containing multiple instances of non-repeated embedded messages with repeated or unknown fields c
- 7.5 High severity
FreeRDP: Use of Uninitialized Resource
FreeRDP is a free remote desktop protocol library and clients. All FreeRDP based clients when using the `/video` command line switch might read uninitialized data, decode it as audio/video and display the result. FreeRDP based server implementations are not af
- 7.5 High severity
FreeRDP: Use of Uninitialized Resource
FreeRDP is a free remote desktop protocol library and clients. FreeRDP based clients on unix systems using `/parallel` command line switch might read uninitialized data and send it to the server the client is currently connected to. FreeRDP based server implem
- 9.8 Critical severity
puppetlabs-apt: Improper Neutralization of Special Elements used in an OS Command
Command injection is possible in the puppetlabs-apt module prior to version 9.0.0. A malicious actor is able to exploit this vulnerability only if they are able to provide unsanitized input to the module. This condition is rare in most deployments of Puppet an
- 7.5 High severity
Lighttpd: Missing Release of Memory after Effective Lifetime
A resource leak in gw_backend.c in lighttpd 1.4.56 through 1.4.66 could lead to a denial of service (connection-slot exhaustion) after a large amount of anomalous TCP behavior by clients. It is related to RDHUP mishandling in certain HTTP/1.1 chunked situation
- 7.5 High severity
Twig: Improper Limitation of a Pathname to a Restricted Directory
Twig is a template language for PHP. Versions 1.x prior to 1.44.7, 2.x prior to 2.15.3, and 3.x prior to 3.4.3 encounter an issue when the filesystem loader loads templates for which the name is a user input. It is possible to use the `source` or `include` sta
- 8.8 High severity
Chrome: Out-of-bounds Write
Heap buffer overflow in Internals in Google Chrome prior to 105.0.5195.125 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)
- 8.8 High severity
Chrome: Use After Free
Use after free in Frames in Google Chrome prior to 105.0.5195.125 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)
- 8.8 High severity
Chrome: Use After Free
Use after free in PDF in Google Chrome prior to 105.0.5195.125 allowed a remote attacker to potentially exploit heap corruption via a crafted PDF file. (Chromium security severity: High)
- 8.8 High severity
Chrome: Use After Free
Use after free in PDF in Google Chrome prior to 105.0.5195.125 allowed a remote attacker to potentially exploit heap corruption via a crafted PDF file. (Chromium security severity: High)
- 8.8 High severity
Chrome: Use After Free
Use after free in PDF in Google Chrome prior to 105.0.5195.125 allowed a remote attacker to potentially exploit heap corruption via a crafted PDF file. (Chromium security severity: High)