Vulnerabilities (CVE)

Filtered by vendor Fedoraproject Subscribe
Filtered by product Fedora
Total 5270 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2021-21900 3 Debian, Fedoraproject, Librecad 3 Debian Linux, Fedora, Libdxfrw 2024-11-21 6.8 MEDIUM 8.8 HIGH
A code execution vulnerability exists in the dxfRW::processLType() functionality of LibreCad libdxfrw 2.2.0-rc2-19-ge02f3580. A specially-crafted .dxf file can lead to a use-after-free vulnerability. An attacker can provide a malicious file to trigger this vulnerability.
CVE-2021-21899 3 Debian, Fedoraproject, Librecad 3 Debian Linux, Fedora, Libdxfrw 2024-11-21 6.8 MEDIUM 8.8 HIGH
A code execution vulnerability exists in the dwgCompressor::copyCompBytes21 functionality of LibreCad libdxfrw 2.2.0-rc2-19-ge02f3580. A specially-crafted .dwg file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.
CVE-2021-21898 3 Debian, Fedoraproject, Librecad 3 Debian Linux, Fedora, Libdxfrw 2024-11-21 6.8 MEDIUM 8.8 HIGH
A code execution vulnerability exists in the dwgCompressor::decompress18() functionality of LibreCad libdxfrw 2.2.0-rc2-19-ge02f3580. A specially-crafted .dwg file can lead to an out-of-bounds write. An attacker can provide a malicious file to trigger this vulnerability.
CVE-2021-21897 3 Debian, Fedoraproject, Ribbonsoft 4 Debian Linux, Extra Packages For Enterprise Linux, Fedora and 1 more 2024-11-21 6.8 MEDIUM 8.8 HIGH
A code execution vulnerability exists in the DL_Dxf::handleLWPolylineData functionality of Ribbonsoft dxflib 3.17.0. A specially-crafted .dxf file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.
CVE-2021-21779 3 Debian, Fedoraproject, Webkitgtk 3 Debian Linux, Fedora, Webkitgtk 2024-11-21 6.8 MEDIUM 8.8 HIGH
A use-after-free vulnerability exists in the way Webkit’s GraphicsContext handles certain events in WebKitGTK 2.30.4. A specially crafted web page can lead to a potential information leak and further memory corruption. A victim must be tricked into visiting a malicious web page to trigger this vulnerability.
CVE-2021-21775 3 Debian, Fedoraproject, Webkitgtk 3 Debian Linux, Fedora, Webkitgtk 2024-11-21 6.0 MEDIUM 8.0 HIGH
A use-after-free vulnerability exists in the way certain events are processed for ImageLoader objects of Webkit WebKitGTK 2.30.4. A specially crafted web page can lead to a potential information leak and further memory corruption. In order to trigger the vulnerability, a victim must be tricked into visiting a malicious webpage.
CVE-2021-21772 3 3mf, Debian, Fedoraproject 3 Lib3mf, Debian Linux, Fedora 2024-11-21 6.8 MEDIUM 8.1 HIGH
A use-after-free vulnerability exists in the NMR::COpcPackageReader::releaseZIP() functionality of 3MF Consortium lib3mf 2.0.0. A specially crafted 3MF file can lead to code execution. An attacker can provide a malicious file to trigger this vulnerability.
CVE-2021-21703 5 Debian, Fedoraproject, Netapp and 2 more 5 Debian Linux, Fedora, Clustered Data Ontap and 2 more 2024-11-21 6.9 MEDIUM 7.8 HIGH
In PHP versions 7.3.x up to and including 7.3.31, 7.4.x below 7.4.25 and 8.0.x below 8.0.12, when running PHP FPM SAPI with main FPM daemon process running as root and child worker processes running as lower-privileged users, it is possible for the child processes to access memory shared with the main process and write to it, modifying it in a way that would cause the root process to conduct invalid memory reads and writes, which can be used to escalate privileges from local unprivileged user to the root user.
CVE-2021-21424 2 Fedoraproject, Sensiolabs 2 Fedora, Symfony 2024-11-21 5.0 MEDIUM 5.3 MEDIUM
Symfony is a PHP framework for web and console applications and a set of reusable PHP components. The ability to enumerate users was possible without relevant permissions due to different handling depending on whether the user existed or not when attempting to use the switch users functionality. We now ensure that 403s are returned whether the user exists or not if a user cannot switch to a user or if the user does not exist. The patch for this issue is available for branch 3.4.
CVE-2021-21419 2 Eventlet, Fedoraproject 2 Eventlet, Fedora 2024-11-21 5.0 MEDIUM 5.3 MEDIUM
Eventlet is a concurrent networking library for Python. A websocket peer may exhaust memory on Eventlet side by sending very large websocket frames. Malicious peer may exhaust memory on Eventlet side by sending highly compressed data frame. A patch in version 0.31.0 restricts websocket frame to reasonable limits. As a workaround, restricting memory usage via OS limits would help against overall machine exhaustion, but there is no workaround to protect Eventlet process.
CVE-2021-21408 3 Debian, Fedoraproject, Smarty 3 Debian Linux, Fedora, Smarty 2024-11-21 6.5 MEDIUM 8.8 HIGH
Smarty is a template engine for PHP, facilitating the separation of presentation (HTML/CSS) from application logic. Prior to versions 3.1.43 and 4.0.3, template authors could run restricted static php methods. Users should upgrade to version 3.1.43 or 4.0.3 to receive a patch.
CVE-2021-21394 2 Fedoraproject, Matrix 2 Fedora, Synapse 2024-11-21 4.0 MEDIUM 5.3 MEDIUM
Synapse is a Matrix reference homeserver written in python (pypi package matrix-synapse). Matrix is an ecosystem for open federated Instant Messaging and VoIP. In Synapse before version 1.28.0 Synapse is missing input validation of some parameters on the endpoints used to confirm third-party identifiers could cause excessive use of disk space and memory leading to resource exhaustion. Note that the groups feature is not part of the Matrix specification and the chosen maximum lengths are arbitrary. Not all clients might abide by them. Refer to referenced GitHub security advisory for additional details including workarounds.
CVE-2021-21393 2 Fedoraproject, Matrix 2 Fedora, Synapse 2024-11-21 4.3 MEDIUM 5.3 MEDIUM
Synapse is a Matrix reference homeserver written in python (pypi package matrix-synapse). Matrix is an ecosystem for open federated Instant Messaging and VoIP. In Synapse before version 1.28.0 Synapse is missing input validation of some parameters on the endpoints used to confirm third-party identifiers could cause excessive use of disk space and memory leading to resource exhaustion. Note that the groups feature is not part of the Matrix specification and the chosen maximum lengths are arbitrary. Not all clients might abide by them. Refer to referenced GitHub security advisory for additional details including workarounds.
CVE-2021-21392 2 Fedoraproject, Matrix 2 Fedora, Synapse 2024-11-21 4.9 MEDIUM 6.3 MEDIUM
Synapse is a Matrix reference homeserver written in python (pypi package matrix-synapse). Matrix is an ecosystem for open federated Instant Messaging and VoIP. In Synapse before version 1.28.0 requests to user provided domains were not restricted to external IP addresses when transitional IPv6 addresses were used. Outbound requests to federation, identity servers, when calculating the key validity for third-party invite events, sending push notifications, and generating URL previews are affected. This could cause Synapse to make requests to internal infrastructure on dual-stack networks. See referenced GitHub security advisory for details and workarounds.
CVE-2021-21381 3 Debian, Fedoraproject, Flatpak 3 Debian Linux, Fedora, Flatpak 2024-11-21 5.8 MEDIUM 7.1 HIGH
Flatpak is a system for building, distributing, and running sandboxed desktop applications on Linux. In Flatpack since version 0.9.4 and before version 1.10.2 has a vulnerability in the "file forwarding" feature which can be used by an attacker to gain access to files that would not ordinarily be allowed by the app's permissions. By putting the special tokens `@@` and/or `@@u` in the Exec field of a Flatpak app's .desktop file, a malicious app publisher can trick flatpak into behaving as though the user had chosen to open a target file with their Flatpak app, which automatically makes that file available to the Flatpak app. This is fixed in version 1.10.2. A minimal solution is the first commit "`Disallow @@ and @@U usage in desktop files`". The follow-up commits "`dir: Reserve the whole @@ prefix`" and "`dir: Refuse to export .desktop files with suspicious uses of @@ tokens`" are recommended, but not strictly required. As a workaround, avoid installing Flatpak apps from untrusted sources, or check the contents of the exported `.desktop` files in `exports/share/applications/*.desktop` (typically `~/.local/share/flatpak/exports/share/applications/*.desktop` and `/var/lib/flatpak/exports/share/applications/*.desktop`) to make sure that literal filenames do not follow `@@` or `@@u`.
CVE-2021-21367 2 Elementary, Fedoraproject 2 Switchboard Bluetooth Plug, Fedora 2024-11-21 4.3 MEDIUM 6.1 MEDIUM
Switchboard Bluetooth Plug for elementary OS from version 2.3.0 and before version version 2.3.5 has an incorrect authorization vulnerability. When the Bluetooth plug is running (in discoverable mode), Bluetooth service requests and pairing requests are automatically accepted, allowing physically proximate attackers to pair with a device running an affected version of switchboard-plug-bluetooth without the active consent of the user. By default, elementary OS doesn't expose any services via Bluetooth that allow information to be extracted by paired Bluetooth devices. However, if such services (i.e. contact list sharing software) have been installed, it's possible that attackers have been able to extract data from such services without authorization. If no such services have been installed, attackers are only able to pair with a device running an affected version without authorization and then play audio out of the device or possibly present a HID device (keyboard, mouse, etc...) to control the device. As such, users should check the list of trusted/paired devices and remove any that are not 100% confirmed to be genuine. This is fixed in version 2.3.5. To reduce the likelihood of this vulnerability on an unpatched version, only open the Bluetooth plug for short intervals when absolutely necessary and preferably not in crowded public areas. To mitigate the risk entirely with unpatched versions, do not open the Bluetooth plug within switchboard at all, and use a different method for pairing devices if necessary (e.g. `bluetoothctl` CLI).
CVE-2021-21351 4 Debian, Fedoraproject, Oracle and 1 more 13 Debian Linux, Fedora, Banking Enterprise Default Management and 10 more 2024-11-21 6.5 MEDIUM 5.4 MEDIUM
XStream is a Java library to serialize objects to XML and back again. In XStream before version 1.4.16, there is a vulnerability may allow a remote attacker to load and execute arbitrary code from a remote host only by manipulating the processed input stream. No user is affected, who followed the recommendation to setup XStream's security framework with a whitelist limited to the minimal required types. If you rely on XStream's default blacklist of the Security Framework, you will have to use at least version 1.4.16.
CVE-2021-21350 4 Debian, Fedoraproject, Oracle and 1 more 13 Debian Linux, Fedora, Banking Enterprise Default Management and 10 more 2024-11-21 7.5 HIGH 5.3 MEDIUM
XStream is a Java library to serialize objects to XML and back again. In XStream before version 1.4.16, there is a vulnerability which may allow a remote attacker to execute arbitrary code only by manipulating the processed input stream. No user is affected, who followed the recommendation to setup XStream's security framework with a whitelist limited to the minimal required types. If you rely on XStream's default blacklist of the Security Framework, you will have to use at least version 1.4.16.
CVE-2021-21349 4 Debian, Fedoraproject, Oracle and 1 more 14 Debian Linux, Fedora, Banking Enterprise Default Management and 11 more 2024-11-21 5.0 MEDIUM 6.1 MEDIUM
XStream is a Java library to serialize objects to XML and back again. In XStream before version 1.4.16, there is a vulnerability which may allow a remote attacker to request data from internal resources that are not publicly available only by manipulating the processed input stream. No user is affected, who followed the recommendation to setup XStream's security framework with a whitelist limited to the minimal required types. If you rely on XStream's default blacklist of the Security Framework, you will have to use at least version 1.4.16.
CVE-2021-21348 4 Debian, Fedoraproject, Oracle and 1 more 13 Debian Linux, Fedora, Banking Enterprise Default Management and 10 more 2024-11-21 7.8 HIGH 5.3 MEDIUM
XStream is a Java library to serialize objects to XML and back again. In XStream before version 1.4.16, there is a vulnerability which may allow a remote attacker to occupy a thread that consumes maximum CPU time and will never return. No user is affected, who followed the recommendation to setup XStream's security framework with a whitelist limited to the minimal required types. If you rely on XStream's default blacklist of the Security Framework, you will have to use at least version 1.4.16.