Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: TCP: Fixed the issue where “tcpmtupprobesuccess” was displayed instead of “wrong sndcwnd”. The syzbot received a new report 1, which finally pointed to a very old bug. This bug was addressed in the initial support for MTU probing...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: TCP: added accessors to read/set tp-sndcwnd. Over the years, we’ve had various bugs in the code that broke the assumption that tp-sndcwnd is greater than zero. Recently, syzbot reported that the condition WARNONONCE!tp-priorcwnd...

CVE-2026-63836

In the Linux kernel, the following vulnerability has been resolved: batman-adv: tpmeter: avoid divide-by-zero for deccwnd The cwnd is always MSS = cwnd = 0x20000000. But the calculation in batadvtpupdatecwnd assumes unsigned 32 bit arithmetics. mss 8 2 / cwnd 8 In case cwnd is actually 0x20000000...

EUVD-2016-8020

Malware in sbrugna...

EUVD-2016-8021

Malware in sbrugna...

EUVD-2025-18652

Malicious code in bioql PyPI...

EUVD-2025-18651

Malicious code in bioql PyPI...

EUVD-2024-0394

Malicious code in bioql PyPI...

Linux Distros Unpatched Vulnerability : CVE-2016-7152

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - The HTTPS protocol does not consider the role of the TCP congestion window in providing information about content length, which makes it easier for remote...

CVE-2025-4820

Impact Cloudflare quiche was discovered to be vulnerable to incorrect congestion window growth, which could cause it to send data at a rate faster than the path might actually support. An unauthenticated remote attacker can exploit the vulnerability by first completing a handshake and initiating ...

CVE-2025-4821

Impact Cloudflare quiche was discovered to be vulnerable to incorrect congestion window growth, which could cause it to send data at a rate faster than the path might actually support. An unauthenticated remote attacker can exploit the vulnerability by first completing a handshake and initiating ...

CVE-2025-4820

Impact Cloudflare quiche was discovered to be vulnerable to incorrect congestion window growth, which could cause it to send data at a rate faster than the path might actually support. An unauthenticated remote attacker can exploit the vulnerability by first completing a handshake and initiating ...

CVE-2025-4821

Impact Cloudflare quiche was discovered to be vulnerable to incorrect congestion window growth, which could cause it to send data at a rate faster than the path might actually support. An unauthenticated remote attacker can exploit the vulnerability by first completing a handshake and initiating ...

CVE-2025-4821 Incorrect congestion window growth by invalid ACK ranges

Impact Cloudflare quiche was discovered to be vulnerable to incorrect congestion window growth, which could cause it to send data at a rate faster than the path might actually support. An unauthenticated remote attacker can exploit the vulnerability by first completing a handshake and initiating ...

CVE-2025-4821 Incorrect congestion window growth by invalid ACK ranges

Impact Cloudflare quiche was discovered to be vulnerable to incorrect congestion window growth, which could cause it to send data at a rate faster than the path might actually support. An unauthenticated remote attacker can exploit the vulnerability by first completing a handshake and initiating ...

CVE-2025-4821 Incorrect congestion window growth by invalid ACK ranges

Impact Cloudflare quiche was discovered to be vulnerable to incorrect congestion window growth, which could cause it to send data at a rate faster than the path might actually support. An unauthenticated remote attacker can exploit the vulnerability by first completing a handshake and initiating ...

CVE-2025-4821

CVE-2025-4821 affects Cloudflare’s quiche (QUIC) prior to 0.24.4. The issue is “Incorrect congestion window growth” caused by processing invalid ACK ranges. An unauthenticated remote attacker can complete a handshake, initiate a congestion-controlled transfer, and send ACK frames covering a large...

CVE-2025-4821

Impact Cloudflare quiche was discovered to be vulnerable to incorrect congestion window growth, which could cause it to send data at a rate faster than the path might actually support. An unauthenticated remote attacker can exploit the vulnerability by first completing a handshake and initiating ...

CVE-2025-4820

Impact Cloudflare quiche was discovered to be vulnerable to incorrect congestion window growth, which could cause it to send data at a rate faster than the path might actually support. An unauthenticated remote attacker can exploit the vulnerability by first completing a handshake and initiating ...

CVE-2025-4820

CVE-2025-4020 (CVE-2025-4820) affects the Cloudflare quiche library. The issue is an incorrect congestion window growth caused by an opportunistic ACK attack (RFC 9000, §21.4) that can allow a victim to send more data in flight than the path supports. An unauthenticated remote attacker can comple...