131730 matches found
tomcat: Apache Tomcat: Cross-context authentication mix-up via Jakarta Authentication misconfiguration
A flaw was found in Apache Tomcat. When Jakarta Authentication is configured with SimpleAuthConfigProvider as the default provider and multiple web applications utilize it, an improper authentication vulnerability arises. This issue causes the authentication realm established for the first web...
tomcat: Apache Tomcat: Denial of Service via AJP request
A flaw was found in Apache Tomcat. An unauthenticated remote attacker can send a specially crafted AJP Apache JServ Protocol request, causing an AJP processing thread to become unresponsive. This resource exhaustion can lead to a denial of service DoS, making the server unavailable to legitimate...
tomcat: Apache Tomcat: WebSocket message smuggling via improper length handling
A flaw was found in Apache Tomcat. This vulnerability, related to improper handling of length parameters, allows for WebSocket message smuggling when the 'per-message-deflate' extension is in use. A remote attacker could exploit this to bypass security controls or inject malicious data into...
tomcat: Apache Tomcat: Request smuggling vulnerability can lead to denial of service
A flaw was found in Apache Tomcat. This vulnerability, known as HTTP Request/Response Smuggling, occurs when Tomcat processes the transfer-encoding header for an HTTP/1.0 request while operating behind a reverse proxy. A remote attacker could exploit this to cause a denial of service, leading to...
Important: Red Hat Security Advisory: Red Hat Edge Manager Version 1.1.4 Security Update
Red Hat Edge Manager Version 1.1.4 Security Update Red Hat Edge Manager RHEM provides simple, scalable, and security-focused management of edge devices and applications. It supports image-mode RHEL and container workloads that run on Podman/Docker or Kubernetes. RHEM is now available as a...
Moderate: Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update
An update for Red Hat Hardened Images RPMs is now available. This update includes the following RPMs: grype: grype-0.118.0-0.2.hum1 aarch64, x8664 grype-0.118.0-0.2.hum1.src src Security Fixes: grype: CVE-2026-88922...
github.com/hashicorp/go-getter: Go-getter: Privilege escalation via crafted archive decompression
A flaw was found in the go-getter library. This vulnerability allows a local attacker to escalate privileges by providing a specially crafted archive. When a privileged user extracts this archive, files can be created with elevated permission bits, enabling the attacker to gain the privileges of...
github.com/hashicorp/go-getter: Go-getter: Privilege escalation via crafted archive decompression
A flaw was found in the go-getter library. This vulnerability allows a local attacker to escalate privileges by providing a specially crafted archive. When a privileged user extracts this archive, files can be created with elevated permission bits, enabling the attacker to gain the privileges of...
Moderate: Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update
An update for Red Hat Hardened Images RPMs is now available. This update includes the following RPMs: syft: syft-1.51.1-0.2.hum1 aarch64, x8664 syft-1.51.1-0.2.hum1.src src Security Fixes: syft: CVE-2026-88922...
kernel: KVM: x86: Don't (re)check L1 intercepts when completing userspace I/O
A flaw was found in the Kernel-based Virtual Machine KVM for x86. This vulnerability occurs when KVM incorrectly re-checks Level 1 L1 intercepts during the completion of userspace I/O emulation for a Level 2 L2 instruction. If the L1 or host userspace modifies I/O interception settings during thi...
Moderate: Red Hat Security Advisory: kernel security update
An update for kernel is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability...
python: Python/Expat: Denial of Service via crafted XML document
A flaw was found in the python and expat components. Insufficient entropy in the hash-flooding protection mechanism of xml.parsers.expat and xml.etree.ElementTree allows a remote attacker to craft a malicious XML document. This crafted document can trigger a hash flooding attack, leading to a...
python: Python tarfile module: File modification and content disclosure via crafted archives
A flaw was found in Python's tarfile module. This module's data and tar extraction filters are vulnerable to specially crafted archives containing a hard link to a symbolic link. An attacker could exploit this by providing a malicious archive. This could lead to unauthorized modification of file...
python: Python: Privilege escalation due to insecure VPATH handling in Windows legacy installers
A flaw was found in Python. On Windows systems utilizing legacy installers, a low-privilege user can exploit insecure handling of the VPATH variable. This allows the user to create a specific landmark file outside the Python installation directory. Consequently, an alternative Lib folder can be...
python: Python: Denial of Service via out-of-bounds write in BZ2 decompression
A flaw was found in Python's bz2.BZ2Decompressor component. An attacker could provide specially crafted input that, when processed by an application reusing a decompressor object after an error, could lead to out-of-bounds writes in memory. This memory corruption could cause the application to...
python: Python: FTP connection redirection via ftpcp() function bypass
A flaw was found in the ftplib.py module of Python. This vulnerability allows a remote attacker to bypass a previous security fix by manipulating the ftpcp function. By supplying a malicious IP address and port, an attacker can redirect FTP connections to an arbitrary host. This could lead to the...
python: Python unicodedata: Denial of Service due to excessive CPU consumption
A flaw was found in the unicodedata.normalize function in Python. This vulnerability allows a remote attacker to cause excessive CPU consumption by providing specially crafted Unicode input. Successful exploitation can lead to a Denial of Service DoS on the affected system...
Important: Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update
An update for Red Hat Hardened Images RPMs is now available. This update includes the following RPMs: python3.12: python3.12-3.12.14-1.3.hum1 aarch64, x8664 python3.12-debug-3.12.14-1.3.hum1 aarch64, x8664 python3.12-devel-3.12.14-1.3.hum1 aarch64, x8664 python3.12-idle-3.12.14-1.3.hum1 aarch64,...
fast-uri: fast-uri: Security bypass due to inconsistent host case normalization
A flaw was found in fast-uri, a dependency-free URI parser. This vulnerability occurs because the software folds the host to lowercase before percent-decoding it, allowing percent-encoded uppercase characters to bypass this normalization. A remote attacker could exploit this by crafting a malicio...
Important: Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update
An update for Red Hat Hardened Images RPMs is now available. This update includes the following RPMs: grafana12.4: grafana12.4-12.4.10-0.4.hum1 aarch64, x8664 grafana12.4-12.4.10-0.4.hum1.src src Security Fixes: grafana12.4: CVE-2026-86472...
grafana: Grafana: Arbitrary code execution and information disclosure via Cross-Site Scripting in geomap panel
A flaw was found in the Grafana geomap panel's XYZ tile layer. An attacker with editor privileges can exploit a sanitize-then-interpolate ordering bug by setting a textbox variable's default value to a Cross-Site Scripting XSS payload. This payload executes for every user who opens the dashboard,...
grafana: tempo: loki: Tempo and Loki Datasource Plugins: Information disclosure and unauthorized actions via path traversal
A flaw was found in the Tempo and Loki datasource plugins. A remote attacker with a Viewer role could exploit a path traversal vulnerability by manipulating user-supplied input in URL paths. This could allow the attacker to capture sensitive administrator-configured datasource credentials, invoke...
python: Python/Expat: Denial of Service via crafted XML document
A flaw was found in the python and expat components. Insufficient entropy in the hash-flooding protection mechanism of xml.parsers.expat and xml.etree.ElementTree allows a remote attacker to craft a malicious XML document. This crafted document can trigger a hash flooding attack, leading to a...
Important: Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update
An update for Red Hat Hardened Images RPMs is now available. This update includes the following RPMs: python3.11: python3.11-3.11.16-1.4.hum1 aarch64, x8664 python3.11-debug-3.11.16-1.4.hum1 aarch64, x8664 python3.11-devel-3.11.16-1.4.hum1 aarch64, x8664 python3.11-idle-3.11.16-1.4.hum1 aarch64,...
python: Python: Denial of Service via out-of-bounds write in BZ2 decompression
A flaw was found in Python's bz2.BZ2Decompressor component. An attacker could provide specially crafted input that, when processed by an application reusing a decompressor object after an error, could lead to out-of-bounds writes in memory. This memory corruption could cause the application to...
python: Python unicodedata: Denial of Service due to excessive CPU consumption
A flaw was found in the unicodedata.normalize function in Python. This vulnerability allows a remote attacker to cause excessive CPU consumption by providing specially crafted Unicode input. Successful exploitation can lead to a Denial of Service DoS on the affected system...
python: Python: Privilege escalation due to insecure VPATH handling in Windows legacy installers
A flaw was found in Python. On Windows systems utilizing legacy installers, a low-privilege user can exploit insecure handling of the VPATH variable. This allows the user to create a specific landmark file outside the Python installation directory. Consequently, an alternative Lib folder can be...
python: Python: FTP connection redirection via ftpcp() function bypass
A flaw was found in the ftplib.py module of Python. This vulnerability allows a remote attacker to bypass a previous security fix by manipulating the ftpcp function. By supplying a malicious IP address and port, an attacker can redirect FTP connections to an arbitrary host. This could lead to the...
python: Python tarfile module: File modification and content disclosure via crafted archives
A flaw was found in Python's tarfile module. This module's data and tar extraction filters are vulnerable to specially crafted archives containing a hard link to a symbolic link. An attacker could exploit this by providing a malicious archive. This could lead to unauthorized modification of file...
Important: Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update
An update for Red Hat Hardened Images RPMs is now available. This update includes the following RPMs: python3.10: python3.10-3.10.21-1.3.hum1 aarch64, x8664 python3.10-debug-3.10.21-1.3.hum1 aarch64, x8664 python3.10-devel-3.10.21-1.3.hum1 aarch64, x8664 python3.10-idle-3.10.21-1.3.hum1 aarch64,...
python: Python: FTP connection redirection via ftpcp() function bypass
A flaw was found in the ftplib.py module of Python. This vulnerability allows a remote attacker to bypass a previous security fix by manipulating the ftpcp function. By supplying a malicious IP address and port, an attacker can redirect FTP connections to an arbitrary host. This could lead to the...
python: Python: Denial of Service via out-of-bounds write in BZ2 decompression
A flaw was found in Python's bz2.BZ2Decompressor component. An attacker could provide specially crafted input that, when processed by an application reusing a decompressor object after an error, could lead to out-of-bounds writes in memory. This memory corruption could cause the application to...
python: Python unicodedata: Denial of Service due to excessive CPU consumption
A flaw was found in the unicodedata.normalize function in Python. This vulnerability allows a remote attacker to cause excessive CPU consumption by providing specially crafted Unicode input. Successful exploitation can lead to a Denial of Service DoS on the affected system...
python: Python tarfile module: File modification and content disclosure via crafted archives
A flaw was found in Python's tarfile module. This module's data and tar extraction filters are vulnerable to specially crafted archives containing a hard link to a symbolic link. An attacker could exploit this by providing a malicious archive. This could lead to unauthorized modification of file...
libevent: Libevent: Arbitrary code execution via heap out-of-bounds write in AF_UNIX handling
A flaw was found in Libevent. A heap out-of-bounds write vulnerability in the buffereventsocketsetconnaddress function allows an unauthenticated local peer to achieve arbitrary code execution. By connecting to an AFUNIX listener, an attacker can overwrite critical heap data, leading to memory...
libevent: Libevent: Denial of Service via integer conversion error in `evtag_unmarshal_header`
A flaw was found in Libevent. An incorrect integer conversion in the evtagunmarshalheader function allows a remote attacker to provide a specially crafted payload length. This can lead to a wrapped large allocation request, resulting in a denial of service DoS for the affected system...
libevent: Libevent: Denial of Service via malformed RPC data
A flaw was found in Libevent, an event notification library. A remote attacker could exploit an out-of-bounds read vulnerability in the decodetaginternal function by sending specially crafted, attacker-controlled tagged RPC Remote Procedure Call data. This could lead to a denial of service, causi...
libevent: Libevent: HTTP header handling bugs create risk of access control bypass.
A flaw was found in libevent. The evhttpdecodeuriinternal function in http.c decodes percent-encoded %00 bytes into literal NUL characters without rejecting them, allowing an attacker to craft a URI such as /admin/secret%00.jpg where extension-based access checks see .jpg but the server processes...
libevent: Libevent: HTTP header smuggling allows authorization bypass or cache poisoning
A flaw was found in Libevent, an event notification library. An unauthenticated remote attacker can exploit a vulnerability where chunked HTTP Hypertext Transfer Protocol trailers are incorrectly merged into request headers. This allows the attacker to place security-sensitive fields in trailers,...
libevent: libevent: Multiple HTTP Parser Bugs Enable Request Smuggling
A flaw was found in libevent. The evhttp parser in libevent's http.c component inconsistently handles HTTP Transfer-Encoding headers and chunked framing. This inconsistency allows an unauthenticated remote attacker to desynchronize request boundaries when libevent is used behind a proxy. Successf...
libevent: Libevent: Memory corruption due to use-after-free
A flaw was found in Libevent, an event notification library. A use-after-free vulnerability exists in the evbufferaddbufferreference function when it processes an output buffer with a zero length. This can lead to a dangling pointer, which an attacker could exploit to cause memory corruption or...
Important: Red Hat Security Advisory: libevent security update
An update for libevent is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from...
libevent: Libevent: Off-by-one stack buffer overflow leading to denial of service or data corruption
A flaw was found in Libevent, an event notification library. An off-by-one stack buffer overflow exists in the dnsnametolabels function when processing a name-bearing DNS record. A remote attacker could send a specially crafted DNS server response, which may lead to a crash or corruption of the...
Important: Red Hat Security Advisory: corosync security update
An update for corosync is now available for Red Hat Enterprise Linux 9.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available fo...
corosync: corosync: heap-based buffer overflow in totempg assembly buffer during fragmented message reassembly
A heap-based buffer overflow was found in Corosync's Totem Process Group totempg message reassembly. When processing fragmented multicast messages, the buffer used to reassemble fragments lacks a runtime bounds check in release builds. A network-adjacent attacker able to send crafted multicast...
kernel: hypervisor: Intel Processors: Privilege escalation in Ring 0 via improper value handling
A flaw was found in IntelR Processors within Ring 0, affecting the kernel, hypervisor, and bare metal operating systems. Improper handling of values may allow an authorized adversary with privileged user access to perform a local, high-complexity attack. This can lead to an escalation of privileg...
kernel: microcode_ctl: Intel Xeon 6 Processors: Privilege escalation via improper memory range handling in SMM
A flaw was found in IntelR XeonR 6 processors when using IntelR TDX within System Management Mode SMM. Improper handling of overlap between protected memory ranges may allow a local attacker with privileged user access to escalate privileges. This vulnerability could lead to high impact on...
Important: Red Hat Security Advisory: microcode_ctl security, bug fix, and enhancement update
An update for microcodectl is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability...
lxml: lxml-html-clean: lxml: URL bypass vulnerability in Cleaner via missing xlink:href
A flaw was found in lxml, a library for processing XML and HTML in Python. The lxml.html.defs.linkattrs were missing xlink:href, which could allow an attacker to bypass URL filtering mechanisms. This vulnerability enables URL bypass attacks in embedded content such as Scalable Vector Graphics SVG...
Important: Red Hat Security Advisory: python-lxml security update
An update for python-lxml is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability fr...