JLSEC-2026-306

HDF5 Library through 1.14.3 may use an uninitialized value in H5Aattrreleasetable in H5Aint.c...

JLSEC-2026-344

A vulnerability, which was classified as problematic, has been found in HDF5 1.14.6. This issue affects the function H5Cloadentry of the file /src/H5Centry.c. The manipulation leads to resource consumption. The attack needs to be approached locally. The exploit has been disclosed to the public an...

JLSEC-2026-324

HDF5 Library through 1.14.3 has a heap-based buffer overflow in H5Tconvstructopt in H5Tconv.c...

JLSEC-2026-327

A vulnerability has been found in HDF5 1.14.6 and classified as critical. This vulnerability affects the function H5Tbitcopy of the component Type Conversion Logic. The manipulation leads to heap-based buffer overflow. Local access is required to approach this attack. The exploit has been disclos...

JLSEC-2026-311

HDF5 Library through 1.14.3 contains a heap-based buffer over-read in H5Odtypeencodehelper in H5Odtype.c...

JLSEC-2026-342

A vulnerability, which was classified as problematic, has been found in HDF5 1.14.6. Affected by this issue is the function H5Omtimenewencode of the file src/H5Omtime.c. The manipulation leads to heap-based buffer overflow. Attacking locally is a requirement. The exploit has been disclosed to the...

JLSEC-2026-292

HDF5 through 1.14.3 contains a buffer overflow in H5Zfilterscaleoffset, resulting in the corruption of the instruction pointer and causing denial of service or potential code execution...

JLSEC-2026-322

HDF5 Library through 1.14.3 has a heap-based buffer overflow in H5Olayoutencode in H5Olayout.c, resulting in the corruption of the instruction pointer...

JLSEC-2026-352

HDF5 is software for managing data. Prior to version 1.14.4-2, an attacker who can control an h5 file parsed by HDF5 can trigger a write-based heap buffer overflow condition. This can lead to a denial-of-service condition, and potentially further issues such as remote code execution depending on...

JLSEC-2026-299

HDF5 through 1.14.3 contains a buffer overflow in H5Olinfodecode, resulting in the corruption of the instruction pointer and causing denial of service or potential code execution...

JLSEC-2026-341

A vulnerability has been found in HDF5 up to 1.14.6 and classified as critical. This vulnerability affects the function H5Faddrdecodelen of the file /hdf5/src/H5Fint.c. The manipulation leads to heap-based buffer overflow. An attack has to be approached locally. The exploit has been disclosed to...

JLSEC-2026-290

HDF5 through 1.14.3 contains a heap buffer overflow in H5HGread, resulting in the corruption of the instruction pointer and causing denial of service or potential code execution...

JLSEC-2026-303

HDF5 library through 1.14.3 has memory corruption in H5Aclose resulting in the corruption of the instruction pointer and causing denial of service or potential code execution...

DOMXSSScanner

DOM XSS Scanner & PoC Generator Developed by Vishal Bharad...

CLSA-2026-1777446434 gdb: Fix of CVE-2019-1010180

CVE-2019-1010180: add warning for corrupt ELF section size larger than file...

Important: Red Hat Security Advisory: Red Hat OpenStack Services on OpenShift 18.0.18 (openstack-nova) security update

An update for openstack-nova is now available for Red Hat OpenStack Services on OpenShift 18.0.18 Antelope. 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...

PhpSpreadsheet has XSS via number format code with @ text placeholder bypasses htmlspecialchars in HTML writer

It was discovered that there is a way to bypass HTML escaping in the HTML writer using custom number format codes. The Problem In Writer/Html.php around line 1592, the code checks if the formatted cell data equals the original data to decide whether to apply htmlspecialchars: php if $cellData ===...

GHSA-HRMW-QPRP-WGMC PhpSpreadsheet has XSS via number format code with @ text placeholder bypasses htmlspecialchars in HTML writer

It was discovered that there is a way to bypass HTML escaping in the HTML writer using custom number format codes. The Problem In Writer/Html.php around line 1592, the code checks if the formatted cell data equals the original data to decide whether to apply htmlspecialchars: php if $cellData ===...

Cross-site Scripting (XSS)

Overview phpoffice/phpspreadsheet is a Spreadsheet engine that Read, Create and Write Spreadsheet documents in PHP . Affected versions of this package are vulnerable to Cross-site Scripting XSS in the HTML generation process when a cell uses a custom number format containing the @ text placeholde...

GHSA-6WPP-88CP-7Q68 PhpSpreadsheet has XSS via NumberFormat @ Text Substitution in HTML Writer

Summary The HTML Writer in PhpSpreadsheet bypasses htmlspecialchars output escaping when a cell uses a custom number format containing the @ text placeholder with additional literal text e.g., @ "items" or "Total: "@. This allows an attacker to inject arbitrary HTML and JavaScript into the...