Moderate: Red Hat Security Advisory: mod_md security update

An update for modmd is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...

EUVD-2026-40172

luci-proto-openvpn through 0.11.1, fixed in commit e4ff45e, contains a command injection vulnerability in the generateKey ubus method where the clmeta parameter is interpolated into a shell command without proper escaping or quoting. An authenticated LuCI user with OpenVPN protocol configuration...

CVE-2026-58000

luci-proto-openvpn through 0.11.1, fixed in commit e4ff45e, contains a command injection vulnerability in the generateKey ubus method where the clmeta parameter is interpolated into a shell command without proper escaping or quoting. An authenticated LuCI user with OpenVPN protocol configuration...

CVE-2026-13590

A security flaw has been discovered in seladb PcapPlusPlus 25.05. This impacts the function pcpp::ModbusLayer::getLength in the library Packet++/header/ModbusLayer.h of the component Modbus Protocol Handler. The manipulation of the argument length results in heap-based buffer overflow. The attack...

CVE-2026-13590 seladb PcapPlusPlus Modbus Protocol ModbusLayer.h getLength heap-based overflow

A security flaw has been discovered in seladb PcapPlusPlus 25.05. This impacts the function pcpp::ModbusLayer::getLength in the library Packet++/header/ModbusLayer.h of the component Modbus Protocol Handler. The manipulation of the argument length results in heap-based buffer overflow. The attack...

CVE-2026-13590

The CVE-2026-13590 affects seladb PcapPlusPlus 25.05, specifically the Modbus Protocol Handler’s ModbusLayer getLength implementation in Packet++/header/ModbusLayer.h. The issue is a heap-based buffer overflow caused by manipulation of the length argument, with remote execution possible. Document...

CVE-2026-13590 seladb PcapPlusPlus Modbus Protocol ModbusLayer.h getLength heap-based overflow

A security flaw has been discovered in seladb PcapPlusPlus 25.05. This impacts the function pcpp::ModbusLayer::getLength in the library Packet++/header/ModbusLayer.h of the component Modbus Protocol Handler. The manipulation of the argument length results in heap-based buffer overflow. The attack...

Security Bulletin: Multiple Vulnerabilities in bcprov package bundled with IBM Fusion, IBM Fusion HCI, IBM Fusion Data Cataloging, and IBM Fusion Content-Aware Storage

Summary IBM Fusion, IBM Fusion HCI, IBM Fusion Data Cataloging, and IBM Fusion Content-Aware Storage include bcprov library, which is susceptible to use of broken cryptographic algorithm, Improper neutralization, covert timing channel vulnerabilities CVE-2025-14813, CVE-2026-0636, CVE-2026-5598...

Important: Red Hat Security Advisory: gnutls and libtasn1 security update

An update for multiple packages is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Important. A Common...

CVE-2026-58058

A flaw was found in Nmap. A remote attacker or a scanned target can send a specially crafted IPv6 response with a truncated extension header. This can lead to an integer underflow, causing out-of-bounds reads and a denial of service DoS due to a crash during raw IPv6 scans. Mitigation Mitigation...

CVE-2026-12244

A flaw was found in nsd. When nsd is configured as a secondary server for a zone, a remote attacker, acting as the primary server for that zone, can send a specially crafted DNS message within an AXFR Asynchronous Full Zone Transfer request. This message, containing a malformed SVCB Service Bindi...

PYSEC-2026-435 Open WebUI has an LDAP Empty Password Authentication Bypass

LDAP Empty Password Authentication Bypass Affected Component LDAP authentication endpoint: - backend/openwebui/routers/auths.py lines 468-477, user bind with empty password - backend/openwebui/models/auths.py lines 58-60, LdapForm model Affected Versions Current main branch commit 6fdd19bf1 and...

PYSEC-2026-472 PraisonAI MCP `tools/call` path-traversal => RCE via Python `.pth` injection

Summary PraisonAI's MCP Model Context Protocol server praisonai mcp serve registers four file-handling tools by default — praisonai.rules.create, praisonai.rules.show, praisonai.rules.delete, and praisonai.workflow.show. Each accepts a path or filename string from MCP tools/call arguments and joi...

PYSEC-2026-299 BoxLite: Permission Bypass Allows Modification of Read-Only Files

Summary Boxlite is a sandbox service that allows users to create lightweight virtual machines Boxes and launch OCI containers within them to run untrusted code. One of the core security features claimed by Boxlite is the ability to mount host directories in read-only mode readonly=True into the V...

h11 accepts some malformed Chunked-Encoding bodies

ImpactA leniency in h11's parsing of line terminators in chunked-coding message bodies can lead to request smuggling vulnerabilities under certain conditions. DetailsHTTP/1.1 Chunked-Encoding bodies are formatted as a sequence of "chunks", each of which consists of:- chunk length- \r\n- length...

kernel: netfilter: flowtable: strictly check for maximum number of actions

A flaw was found in the Netfilter flowtable component of the Linux kernel. This vulnerability occurs because the system does not strictly check the maximum number of hardware offload actions for IPv6, allowing it to process more actions than supported. This could potentially lead to system...

BIT-ENVOY-2026-47692 Envoy: PROXY Protocol v2 header generator emits "skipped" TLVs, causing 65 KB attacker-controlled spillover into the upstream application stream

Envoy is an open source edge and service proxy designed for cloud-native applications. From 1.34.0 until 1.35.13, 1.36.9, 1.37.5, and 1.38.3, PROXY Protocol v2 header generator emits TLVs beyond the maximum length of 65535 bytes, causing a mismatch between bytes written and the length field in th...

BIT-ENVOY-2026-47204 Envoy: grpc_stats filter segfault on Connect protocol requests to direct_response routes

Envoy is an open source edge and service proxy designed for cloud-native applications. From 1.26.0 until 1.35.13, 1.36.9, 1.37.5, and 1.38.3, the envoy.filters.http.grpcstats filter crashes null pointer dereference / segfault when a Connect protocol request Content-Type: application/connect+proto...

gnutls: GnuTLS: Denial of Service via heap buffer overflow in DTLS handshake fragment reassembly

A heap buffer overflow vulnerability exists in the DTLS handshake fragment reassembly logic of GnuTLS. The issue arises in mergehandshakepacket where incoming handshake fragments are matched and merged based solely on handshake type, without validating that the messagelength field remains...

[SECURITY] Fedora 44 Update: libssh2-1.11.1-9.fc44

libssh2 is a library implementing the SSH2 protocol as defined by Internet Drafts: SECSH-TRANS22, SECSH-USERAUTH25, SECSH-CONNECTION23, SECSH-ARCH20, SECSH-FILEXFER06, SECSH-DHGEX04, and SECSH-NUMBERS10...