Improper Handling of Highly Compressed Data (Data Amplification)

Amendment This was deemed not a vulnerability. Overview org.webjars.npm:exceljs is a package to Read, manipulate and write spreadsheet data and styles to XLSX and JSON. Affected versions of this package are vulnerable to Improper Handling of Highly Compressed Data Data Amplification via...

Improper Handling of Highly Compressed Data (Data Amplification)

Overview Affected versions of this package are vulnerable to Improper Handling of Highly Compressed Data Data Amplification via Workbook.xlsx.load in lib/xlsx/xlsx.js. An attacker can exhaust memory and crash the process by supplying a highly compressible .xlsx file that expands into a very large...

CVE-2026-78206

exceljs through 4.4.0 decompresses all entries from supplied xlsx archives into memory without limits on entry size, total size, or compression ratio. Attackers can upload highly compressed workbooks that expand to gigabytes in memory, exhausting available resources and causing denial of service...

EUVD-2026-64681

exceljs-hardened before 5.0.0 decompresses all entries from supplied xlsx archives into memory without limits on entry size, total size, or compression ratio. Attackers can upload highly compressed workbooks that expand to gigabytes in memory, exhausting available resources and causing denial of...

CVE-2026-78206

exceljs through 4.4.0 decompresses all entries from supplied xlsx archives into memory without limits on entry size, total size, or compression ratio. Attackers can upload highly compressed workbooks that expand to gigabytes in memory, exhausting available resources and causing denial of service...

CVE-2026-78206 exceljs through 4.4.0 Uncontrolled Resource Consumption via Unbounded xlsx Decompression

exceljs through 4.4.0 decompresses all entries from supplied xlsx archives into memory without limits on entry size, total size, or compression ratio. Attackers can upload highly compressed workbooks that expand to gigabytes in memory, exhausting available resources and causing denial of service...

CVE-2026-78206 exceljs through 4.4.0 Uncontrolled Resource Consumption via Unbounded xlsx Decompression

exceljs through 4.4.0 decompresses all entries from supplied xlsx archives into memory without limits on entry size, total size, or compression ratio. Attackers can upload highly compressed workbooks that expand to gigabytes in memory, exhausting available resources and causing denial of service...

CVE-2026-78206 exceljs through 4.4.0 Uncontrolled Resource Consumption via Unbounded xlsx Decompression

exceljs through 4.4.0 decompresses all entries from supplied xlsx archives into memory without limits on entry size, total size, or compression ratio. Attackers can upload highly compressed workbooks that expand to gigabytes in memory, exhausting available resources and causing denial of service...

CVE-2026-78206

exceljs-hardened before 5.0.0 (and the upstream exceljs through 4.4.0) is vulnerable to uncontrolled resource consumption via unbounded xlsx decompression. The library decompresses all entries from supplied xlsx archives into memory without limits on entry size, total size, or compression ratio. ...

ROS-20260824-73-0009

The vulnerability in the libfreerdp/codec/h264.c file of the H.264 decompression subsystem of the RDP client FreeRDP relates to reading data beyond the permitted range of memory. Exploiting this vulnerability can allow an attacker to cause service failures and expose sensitive information...

PT-2026-79799

Name of the Vulnerable Software and Affected Versions exceljs-hardened versions prior to 5.0.0 Description The software decompresses all entries from supplied xlsx archives into memory without limits on entry size, total size, or compression ratio. This allows attackers to upload highly compresse...

RHEL 9 : libarchive (RHSA-2026:58573)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:58573 advisory. The libarchive programming library can create and read several different streaming archive formats, including GNU tar, cpio, and ISO 9660 CD-ROM...

RHEL 9 : libarchive (RHSA-2026:58574)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:58574 advisory. The libarchive programming library can create and read several different streaming archive formats, including GNU tar, cpio, and ISO 9660 CD-ROM...

RHEL 9 : libarchive (RHSA-2026:58558)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:58558 advisory. The libarchive programming library can create and read several different streaming archive formats, including GNU tar, cpio, and ISO 9660 CD-ROM...

AZL-97308 CVE-2026-74723 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: btrfs: lzo: reject inline extents without valid headers BUG For a crafted btrfs image, the following KASAN can be triggered when reading an inline lzo compressed file extent: BUG: KASAN: slab-out-of-bounds in...

CVE-2026-74723 btrfs: lzo: reject inline extents without valid headers

In the Linux kernel, the following vulnerability has been resolved: btrfs: lzo: reject inline extents without valid headers BUG For a crafted btrfs image, the following KASAN can be triggered when reading an inline lzo compressed file extent: BUG: KASAN: slab-out-of-bounds in...

CVE-2026-77640

A flaw was found in tor. A remote attacker could send a specially crafted, truncated zlib/gzip stream. This could lead to an infinite loop during decompression, causing a denial of service DoS in the affected component. Mitigation Mitigation for this issue is either not available or the currently...

grok:grk_decompress_fuzzer: Use-of-uninitialized-value in grk::TileCodingParams::readMct

Project: https://github.com/GrokImageCompression/grok.git https://github.com/GrokImageCompression/grok-test-data.git Detailed Report: https://oss-fuzz.com/testcase?key=5027344826564608 Project: grok Fuzzing Engine: libFuzzer Fuzz Target: grkdecompressfuzzer Job Type: libfuzzermsangrok Platform Id...

PT-2026-79728

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the btrfs module when processing inline LZO compressed file extents. When a crafted btrfs image is used, the lzo decompress function may attempt to read a segment head...

Linux Distros Unpatched Vulnerability : CVE-2026-74723

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - btrfs: lzo: reject inline extents without valid headers BUG For a crafted btrfs image, the following KASAN can be triggered when reading an inline lzo compresse...