USN-8177-1 linux, linux-realtime vulnerabilities

Josh Eads, Kristoffer Janke, Eduardo Vela Nava, Tavis Ormandy, and Matteo Rizzo discovered that some AMD Zen processors did not properly verify the signature of CPU microcode. This flaw is known as EntrySign. A privileged attacker could possibly use this issue to cause load malicious CPU microcod...

GHSA-9GCG-W975-3RJH Istio: AuthorizationPolicy serviceAccounts regex injection via unescaped dots

Impact The serviceAccounts and notServiceAccounts fields in AuthorizationPolicy incorrectly interpret dots . as a regular expression matcher. Because . is a valid character in a service account name, an AuthorizationPolicy ALLOW rule targeting SA e.g. cert-manager.io also matches cert-manager-io,...

Istio: AuthorizationPolicy serviceAccounts regex injection via unescaped dots

Impact The serviceAccounts and notServiceAccounts fields in AuthorizationPolicy incorrectly interpret dots . as a regular expression matcher. Because . is a valid character in a service account name, an AuthorizationPolicy ALLOW rule targeting SA e.g. cert-manager.io also matches cert-manager-io,...

CVE-2026-5160

A flaw was found in github.com/yuin/goldmark/renderer/html. This Cross-site Scripting XSS vulnerability allows a remote attacker to execute arbitrary scripts in the context of applications that render a malicious URL. The flaw stems from an improper ordering of URL validation and normalization,...

The vulnerability of the JRPC application interface of the FortiSandbox threat detection and mitigation system allows a perpetrator to execute arbitrary code.

The vulnerability of the JRPC application interface of the FortiSandbox threat detection and mitigation system is related to the failure to eliminate special elements “|” when processing the jid parameter. Exploiting this vulnerability allows a remote attacker to execute arbitrary code by sending...

CVE-2026-39350 Istio AuthorizationPolicy Incorrect Regex Matching of Dots in serviceAccounts Fields Allows Policy Bypass

Istio is an open platform to connect, manage, and secure microservices. In versions 1.25.0 through 1.27.8, 1.28.0 through 1.28.5, 1.29.0, and 1.29.1, the serviceAccounts and notServiceAccounts fields in AuthorizationPolicy incorrectly interpret dots . as a regular expression matcher. Because . is...

Notepad++ <= 8.9.3 Stack-based Buffer Overflow (CVE-2026-5525)

The version of Notepad++ installed on the remote host is 8.9.3 or earlier. It is, therefore, affected by a stack-based buffer overflow vulnerability: - A stack-based buffer overflow exists in the file drop handler component WMDROPFILES. When a user drags and drops a directory path of exactly 259...

CVE-2026-34256 Missing Authorization check in SAP ERP and SAP S/4 HANA (Private Cloud and On-Premise)

Due to a missing authorization check in SAP ERP and SAP S/4HANA Private Cloud and On-Premise, an authenticated attacker could execute a particular ABAP report to overwrite any existing eight?character executable ABAP report without authorization. If the overwritten report is subsequently executed...

EUVD-2026-22166

Due to a missing authorization check in SAP ERP and SAP S/4HANA Private Cloud and On-Premise, an authenticated attacker could execute a particular ABAP report to overwrite any existing eight?character executable ABAP report without authorization. If the overwritten report is subsequently executed...

CVE-2026-34256

CVE-2026-34256 affects SAP ERP and SAP S/4HANA (Private Cloud and On-Premise). The issue arises from a missing authorization check that allows an authenticated actor with low privileges to run a specific ABAP report and overwrite an existing eight-character executable ABAP report without authoriz...

SAP ERP和SAP S/4HANA 安全漏洞

SAP ERP and SAP S/4HANA are both products of the German company SAP. SAP ERP is a suite of software used for ERP management. SAP S/4HANA is an enterprise resource management software based on the SAP HANA in-memory database system. There are security vulnerabilities in SAP ERP and SAP S/4HANA...

CVE-2026-3446

A flaw was found in the Python base64 module. When decoding base64 data using functions like base64.b64decode, the decoding process prematurely stops upon encountering the first padding character. This can result in incomplete data being processed, where any information following the initial...

OSV-2026-565 Heap-buffer-overflow in xmlFAParsePosCharGroup

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=501547873 Crash type: Heap-buffer-overflow READ 1 Crash state: xmlFAParsePosCharGroup xmlFAParseCharGroup xmlFAParseCharGroup...

cpython: Missing character filtering in Python

Missing character filtering has been discovered in Python. When folding a long comment in an email header containing exclusively unfoldable characters, the parenthesis would not be preserved. This could be used for injecting headers into email messages where addresses are user-controlled and not...

python: Python base64: Incomplete data decoding due to premature stop at padding

A flaw was found in the Python base64 module. When decoding base64 data using functions like base64.b64decode, the decoding process prematurely stops upon encountering the first padding character. This can result in incomplete data being processed, where any information following the initial...

Improper Output Handling

Apache Log4j Core is vulnerable to Improper Output Handling. The vulnerability is due to XmlLayout failing to sanitize characters forbidden by the XML 1.0 specification, allowing log messages or MDC values to produce malformed XML or trigger exceptions during logging, which can lead to dropped or...

php: PHP: Denial of Service via invalid character sequence in PDO PostgreSQL prepared statement

A flaw was found in PHP. When the PDO PHP Data Objects PostgreSQL driver is configured with PDO::ATTREMULATEPREPARES enabled, a remote attacker can exploit a vulnerability by providing an invalid character sequence within a prepared statement parameter. This can cause a null pointer dereference,...

gnupg: GnuPG: Signature bypass via form feed character in signed messages

A flaw was found in GnuPG. An adversary can exploit this vulnerability by crafting a signed message that includes a form feed character \f at the end of a plaintext line. This allows the adversary to append additional, unsigned text to the message while the signature verification still reports...

cpython: Incomplete control character validation in http.cookies

A control character validation flaw has been discovered in the Python http.cookie module. The Morsel.update, |= operator, and unpickling paths were not patched to resolve CVE-2026-0672, allowing control characters to bypass input validation. Additionally, BaseCookie.jsoutput lacked the output...

cpython: Missing character filtering in Python

Missing character filtering has been discovered in Python. When folding a long comment in an email header containing exclusively unfoldable characters, the parenthesis would not be preserved. This could be used for injecting headers into email messages where addresses are user-controlled and not...