EUVD-2026-48740

FFmpeg through 8.1.2, fixed in commit 8670835, contains an information disclosure vulnerability in the LCL/ZLIB video decoder that allows attackers to expose uninitialized heap memory by supplying a valid zlib stream that inflates to fewer bytes than the expected frame size. The zlibdecomp functi...

CVE-2026-66038

FFmpeg through 8.1.2, fixed in commit 8670835, contains an information disclosure vulnerability in the LCL/ZLIB video decoder that allows attackers to expose uninitialized heap memory by supplying a valid zlib stream that inflates to fewer bytes than the expected frame size. The zlibdecomp functi...

EUVD-2026-42364

httplib2: Decompression Bomb Denial of Service via Unbounded gzip/deflate Response Handling...

httplib2: Decompression Bomb Denial of Service via Unbounded gzip/deflate Response Handling

Summary The httplib2 HTTP client library performs unbounded decompression of HTTP response bodies encoded with Content-Encoding: gzip or deflate. A malicious or compromised HTTP server can return a small compressed payload approximately 150 KB that expands to an arbitrarily large size in memory 1...

GHSA-J5G9-F88F-GFJ3 httplib2: Decompression Bomb Denial of Service via Unbounded gzip/deflate Response Handling

Summary The httplib2 HTTP client library performs unbounded decompression of HTTP response bodies encoded with Content-Encoding: gzip or deflate. A malicious or compromised HTTP server can return a small compressed payload approximately 150 KB that expands to an arbitrarily large size in memory 1...

OESA-2026-3140 python-pillow security update

Pillow is the friendly PIL fork by Alex Clark and Contributors. PIL is the Python Imaging \ Library by Fredrik Lundh and Contributors. As of 2019, Pillow development is supported by Tidelift. of CVE-2022-22815,CVE-2022-22816 Security Fixes: Pillow is a Python imaging library. Prior to 12.3.0,...

OESA-2026-3138 python-pillow security update

Pillow is the friendly PIL fork by Alex Clark and Contributors. PIL is the Python Imaging \ Library by Fredrik Lundh and Contributors. As of 2019, Pillow development is supported by Tidelift. of CVE-2022-22815,CVE-2022-22816 Security Fixes: Pillow is a Python imaging library. Prior to 12.3.0,...

OESA-2026-3137 python-pillow security update

Pillow is the friendly PIL fork by Alex Clark and Contributors. PIL is the Python Imaging \ Library by Fredrik Lundh and Contributors. As of 2019, Pillow development is supported by Tidelift. of CVE-2022-22815,CVE-2022-22816 Security Fixes: Pillow is a Python imaging library. Prior to 12.3.0,...

OESA-2026-3141 python-pillow security update

Pillow is the friendly PIL fork by Alex Clark and Contributors. PIL is the Python Imaging \ Library by Fredrik Lundh and Contributors. As of 2019, Pillow development is supported by Tidelift. of CVE-2022-22815,CVE-2022-22816 Security Fixes: Pillow is a Python imaging library. Prior to 12.3.0,...

OESA-2026-3139 python-pillow security update

Pillow is the friendly PIL fork by Alex Clark and Contributors. PIL is the Python Imaging \ Library by Fredrik Lundh and Contributors. As of 2019, Pillow development is supported by Tidelift. of CVE-2022-22815,CVE-2022-22816 Security Fixes: Pillow is a Python imaging library. Prior to 12.3.0,...

MGASA-2026-0292 Updated lrzip package fixes security vulnerabilities

The updated package fixes security vulnerabilities: ckolivas lrzip stream.c lzmadecompressbuf use after free. CVE-2025-15570 ckolivas lrzip strtoll.c GIstrtollinternal null pointer dereference. CVE-2025-9396...

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...

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...

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...