Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: dccp/tcp: Unhash sk from ehash for tb2 alloc failure after checkestalblished. syzkaller reported a warning 0 in inetcskdestroysock, with no repro. WARNONinetsksk-inetnum && !inetcsksk-icskbindhash; However, syzkaller’s log...

Astra Linux – Vulnerability in gnutls28

A NULL pointer dereference flaw was discovered in GnuTLS. Since Nettle’s hash update functions internally call memcpy, using zero-length inputs may lead to undefined behavior. This flaw can result in a denial of service after authentication in rare circumstances...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: A limit was enforced to prevent the allocation of excessive memory. Daniel Xu reported that the hash:net,iface type of the ipset subsystem does not limit the addition of the same network with different interface...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ipv4: Fixed data races related to sysctlfibmultipathhashfields. When reading sysctlfibmultipathhashfields, it can be changed concurrently. Therefore, we need to add READONCE to its readers...

Astra Linux – Vulnerability in Qemu

A stack-based buffer overflow was discovered in the virtio-net device of QEMU. This issue occurs when flushing the TX operation in the virtionetflushtx function, provided that the guest has enabled VIRTIONETFHASHREPORT, VIRTIOFVERSION1, and VIRTIONETFMRGRXBUF. This could allow a malicious user to...

Astra Linux – Vulnerability in PHP 8.1, PHP 7.3

In PHP versions 8.1. before 8.1.28, 8.2. before 8.2.18, and 8.3. before 8.3.5, if a password stored using passwordhash starts with a null byte \x00, testing a blank string as the password via passwordverify will incorrectly return true...

Astra Linux – Vulnerability in isc-dhcp

In ISC DHCP 4.4.0 - 4.4.3, and ISC DHCP 4.1-ESV-R1 - 4.1-ESV-R16-P1, when the function optioncodehashlookup is called from addOption, it increments the refcount field of the option. However, there is no corresponding call to optiondereference to decrement the refcount field. The function addOptio...

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

A hash collision flaw was discovered in the IPv6 connection lookup table within the Linux kernel’s IPv6 functionality. This flaw occurs when a user carries out a new type of SYN flood attack. A user located within the local network or with a high-bandwidth connection can cause the CPU usage of th...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: fixed a transaction abort during file creation due to name hash collisions. If we attempt to create several files with names that result in the same hash, we must package them in the same directory item, and there is a...

Astra Linux – Vulnerability in openssl1.0

The OpenSSL public API function X509issuerandserialhash attempts to generate a unique hash value based on the issuer and serial number data contained within an X509 certificate. However, it fails to properly handle any errors that may occur during the parsing of the issuer field—errors that could...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

There is a speculative pointer dereferencing issue in the Linux kernel, specifically with the doprlimit function. The value of the resource argument is controlled and is used in pointer arithmetic for the ‘rlim’ variable. This can lead to the leakage of its contents. We recommend upgrading to a...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ipv4: Fixed data races related to sysctlfibmultipathhashpolicy. When reading sysctlfibmultipathhashpolicy, it can be changed concurrently. Therefore, we need to add READONCE to its readers...

postgresql: PostgreSQL: Arbitrary code execution via plperl tied hash heap buffer overflow

A flaw was found in PostgreSQL. A heap buffer overflow vulnerability exists in the plperl component when returning a tied hash. This allows a function owner to execute arbitrary code as the operating system user running the database by providing a specially crafted function body. This could lead ...

Security update for the Linux Kernel RT (Live Patch 19 for SUSE Linux Enterprise 15 SP7)

This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.7.72 fixes various security issues: The following security issues were fixed: CVE-2026-64423: ipv4: igmp: remove multicast group from hash table on device destruction bsc1275458. CVE-2026-68138: net/sched: serialize qdiscrtablist again...

cr-18-m4-service-exploitation

CR-18 / Module 4 — Service-Level Vulnerability Analysis & Expl...

PT-2026-91743

Name of the Vulnerable Software and Affected Versions Activiti versions prior to 7.1.0.M7 Description Failure to validate hash-brace deferred expressions in process variables allows attackers to bypass expression filtering. By injecting expressions starting with , an attacker can store these...

PT-2026-91243

novel-plus through 5.3.3 contains an information disclosure vulnerability in the /sys/user/list endpoint that lacks proper permission annotations. Authenticated attackers can retrieve password hashes and personal data including email addresses and phone numbers for users within their data scope,...

Exploit for Exposure of Sensitive Information to an Unauthorized Actor in Microsoft

CVE-2025-24071 — Windows File Explorer Spoofing / NTLM Hash Di...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: php (UTSA-2023-002405)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2023-002405 advisory. In PHP 8.0.X before 8.0.28, 8.1.X before 8.1.16 and 8.2.X before 8.2.3, passwordverify function may accept some invalid Blowfish hashes as valid. If such invalid has...

CVE-2026-90533

Flowise before 3.1.4 contains a broken access control vulnerability in GET /api/v1/organizationuser that allows any authenticated organization member to retrieve the organization owner's full user record including bcrypt password hash and temporary tokens. Attackers can query the endpoint with an...