SUSE SLES15 Security Update : python-urllib3 (SUSE-SU-2026:0255-2)

The remote SUSE Linux SLES15 / SLESSAP15 host has a package installed that is affected by a vulnerability as referenced in the SUSE-SU-2026:0255-2 advisory. - CVE-2026-21441: Fixed excessive resource consumption during decompression of data in HTTP redirect responses bsc1256331 Tenable has...

PHPSpreadsheet: Gnumeric reader unbounded gzip expansion causes memory exhaustion

Summary PhpSpreadsheet's Gnumeric reader reads attacker-supplied .gnumeric files into memory and, when the file starts with gzip magic bytes, calls gzdecode on the full compressed contents without enforcing a decompressed-size limit. A very small compressed .gnumeric file can expand to data large...

GHSA-2MRG-GJXQ-2GVR PHPSpreadsheet: Gnumeric reader unbounded gzip expansion causes memory exhaustion

Summary PhpSpreadsheet's Gnumeric reader reads attacker-supplied .gnumeric files into memory and, when the file starts with gzip magic bytes, calls gzdecode on the full compressed contents without enforcing a decompressed-size limit. A very small compressed .gnumeric file can expand to data large...

Security update for python-urllib3

This update for python-urllib3 fixes the following issues: CVE-2025-66471: excessive resource consumption via decompression of highly compressed data in Streaming API bsc1254867. CVE-2025-66418: resource exhaustion via unbounded number of links in the decompression chain bsc1254866. Patch...

SUSE-SU-2026:0367-2 Security update for python-urllib3

This update for python-urllib3 fixes the following issues: - CVE-2025-66471: excessive resource consumption via decompression of highly compressed data in Streaming API bsc1254867. - CVE-2025-66418: resource exhaustion via unbounded number of links in the decompression chain bsc1254866...

Security update for python-urllib3

This update for python-urllib3 fixes the following issues: CVE-2026-21441: Fixed excessive resource consumption during decompression of data in HTTP redirect responses bsc1256331 Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST onlineupdate o...

SUSE-SU-2026:0255-2 Security update for python-urllib3

This update for python-urllib3 fixes the following issues: - CVE-2026-21441: Fixed excessive resource consumption during decompression of data in HTTP redirect responses bsc1256331...

Pillow: Decompression Bomb DoS via PdfParser.PdfStream.decode()

SummaryPdfParser.PdfStream.decode in Pillow's PdfParser.py calls zlib.decompress with the bufsize parameter set to the value of the PDF stream's Length field, without any upper bound on the actual decompressed output size. Python's zlib.decompress bufsize argument is an initial output buffer hint...

PYSEC-2026-3495 Pillow: Decompression Bomb DoS via PdfParser.PdfStream.decode()

Summary PdfParser.PdfStream.decode in Pillow's PdfParser.py calls zlib.decompress with the bufsize parameter set to the value of the PDF stream's Length field, without any upper bound on the actual decompressed output size. Python's zlib.decompress bufsize argument is an initial output buffer hin...

OPENSUSE-SU-2026:21430-1 Security update for python-urllib3

This update for python-urllib3 fixes the following issue - CVE-2026-9375: decompression bomb bypass in the streaming API when using Brotli support can lead to a denial of service bsc1268683...

SUSE-SU-2026:22863-1 Security update for python-urllib3

This update for python-urllib3 fixes the following issue - CVE-2026-9375: decompression bomb bypass in the streaming API when using Brotli support can lead to a denial of service bsc1268683...

SUSE-SU-2026:22937-1 Security update for python-urllib3

This update for python-urllib3 fixes the following issue - CVE-2026-9375: decompression bomb bypass in the streaming API when using Brotli support can lead to a denial of service bsc1268683...

PT-2026-64046

Summary PhpSpreadsheet's Gnumeric reader reads attacker-supplied .gnumeric files into memory and, when the file starts with gzip magic bytes, calls gzdecode on the full compressed contents without enforcing a decompressed-size limit. A very small compressed .gnumeric file can expand to data large...

Alibaba Cloud Linux 3 : 0215: pacemaker (ALINUX3-SA-2026:0215)

The remote Alibaba Cloud Linux 3 host has packages installed that are affected by a vulnerability as referenced in the ALINUX3-SA-2026:0215 advisory. Package updates are available for Alibaba Cloud Linux 3 that fix the following vulnerabilities: CVE-2026-10649: A flaw was found in Pacemaker. An...

Alibaba Cloud Linux 3 : 0217: python-pillow (ALINUX3-SA-2026:0217)

The remote Alibaba Cloud Linux 3 host has a package installed that is affected by multiple vulnerabilities as referenced in the ALINUX3-SA-2026:0217 advisory. Package updates are available for Alibaba Cloud Linux 3 that fix the following vulnerabilities: CVE-2026-54059: Pillow is a Python imaging...

Netty: [Bzip2Decoder] Infinite Loop in RLE State Machine Leads to Event-Loop Thread Hang

The Bzip2Decoder handler in Netty's compression codec pipeline is vulnerable to a denial-of-service attack through a malformed bzip2 stream that permanently captures the event-loop thread in an infinite loop. The vulnerability exists in the run-length encoding RLE state machine within...

Important: Red Hat Security Advisory: pacemaker security update

An update for pacemaker is now available for Red Hat Enterprise Linux 7 Extended Lifecycle 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...

pacemaker: Pacemaker: Denial of Service via integer overflow in remote message decompression

A flaw was found in Pacemaker. An unauthenticated remote attacker can exploit an integer overflow vulnerability in the remote message decompression process. By sending a specially crafted compressed remote message before authentication, an attacker can cause memory corruption, leading to a denial...

RLSA-2026:40833 Important: pacemaker security update

The Pacemaker cluster resource manager is a collection of technologies working together to maintain data integrity and application availability in the event of failures. Security Fixes: pacemaker: Pacemaker: Denial of Service via integer overflow in remote message decompression CVE-2026-10649 For...

RHEL 7 : pacemaker (RHSA-2026:43606)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:43606 advisory. The Pacemaker cluster resource manager is a collection of technologies working together to maintain data integrity and application availability in t...