CLSA-2026-1778860714 gimp: Fix of 2 CVEs

CVE-2026-4153: fix heap-based buffer overflow in PSP file parser by computing proper linewidth for bit depths 1 and 4 with small widths - CVE-2026-4154: fix integer overflow and buffer overflow in XPM file parser by adding GIMPMAXIMAGESIZE bounds checks and using gtrynew...

CVE-2026-39886 OpenEXR has HTJ2K Signed Integer Overflow in ht_undo_impl()

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. Versions 3.4.0 through 3.4.9 have a signed integer overflow vulnerability in OpenEXR's HTJ2K High-Throughput JPEG 2000 decompression path. The htundoimp...

A Halpha Metric for Identifying Dormant Black Holes in X-Ray Transients

Dormant black holes BHs in X-ray transients can be identified by the presence of broad Ha emission lines from quiescent accretion discs. Unfortunately, short-period cataclysmic variables CVs can also produce broad Ha lines, especially when viewed at high inclinations, and are thus a major source ...