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...

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...

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...

CVE-2026-56819 Netty: HTTP/2 decompression leaks ByteBuf reference count when the decompressor channel is already closed (Direct memory leak / OOM DoS)

Netty is a network application framework for development of protocol servers and clients. In versions 4.2.0.Final through 4.2.15.Final and 4.1.0.Final through 4.1.135.Final, a remote unauthenticated peer can leak one direct ByteBuf per HTTP/2 DATA frame in applications that enable HTTP/2 content...

CVE-2026-56819 Netty: HTTP/2 decompression leaks ByteBuf reference count when the decompressor channel is already closed (Direct memory leak / OOM DoS)

Netty is a network application framework for development of protocol servers and clients. In versions 4.2.0.Final through 4.2.15.Final and 4.1.0.Final through 4.1.135.Final, a remote unauthenticated peer can leak one direct ByteBuf per HTTP/2 DATA frame in applications that enable HTTP/2 content...

Gitea: Denial of Service (CPU & Memory Exhaustion) via O(N^2) String Concatenation in Debian Package Upload

Gitea's Debian package registry parser contains an unbounded decompression vulnerability in ParseControlFile. When processing an uploaded .deb file, the parser decompresses control.tar.gz and copies the entire uncompressed stream into a strings.Builder via a TeeReader, with no limit on how much...

GHSA-6HM7-3PWJ-22RM Gitea: Denial of Service (CPU & Memory Exhaustion) via O(N^2) String Concatenation in Debian Package Upload

Gitea's Debian package registry parser contains an unbounded decompression vulnerability in ParseControlFile. When processing an uploaded .deb file, the parser decompresses control.tar.gz and copies the entire uncompressed stream into a strings.Builder via a TeeReader, with no limit on how much...

SUSE CVE-2026-63984

In the Linux kernel, the following vulnerability has been resolved: ipv6: rpl: fix hdrlen overflow in ipv6rplsrhdecompress ipv6rplsrhdecompress computes: outhdr-hdrlen = n + 1 sizeofstruct in6addr 3; hdrlen is u8. For n = 127 the result exceeds 255 and silently truncates. With n=127 cmpri=15,...

Oracle Linux 8 : pacemaker (ELSA-2026-39322)

The remote Oracle Linux 8 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-39322 advisory. - Fix integer overflows in remote message decompression code CVE-2026-10649 Tenable has extracted the preceding description block directly from the Oracle Linu...

PT-2026-63286

Name of the Vulnerable Software and Affected Versions Gitea affected versions not specified Description The Debian package registry parser contains two issues that can lead to a complete denial of service. First, an unbounded decompression flaw exists in the ParseControlFile function. When...

pacemaker security update

2.1.10-3.0.1 - Replace bug url Orabug: 34202300 - Upstream reference in pacemaker crmreport binary Orabug: 32825154 2.1.10-3 - Fix integer overflows in remote message decompression code CVE-2026-10649 - Resolves: RHEL-181150...

EUVD-2026-43753

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

GHSA-JJJ6-MW9F-P565 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...

GHSA-PHJ9-MV4W-65PM Pillow `GdImageFile._open()`: image dimensions accepted without `_decompression_bomb_check()`

Description PIL/GdImageFile.py GdImageFile.open reads image dimensions from the GD 2.x header and stores them in self.size without calling Image.decompressionbombcheck. Because GdImageFile is not registered with Image.registeropen, it never passes through the standard Image.open code path that...