7-Zip ZS 26.05 - v1.5.7 - Release 1
Compression versions in this release:
- Brotli Version 1.2.1
- Fast LZMA2 1.0.1
- Lizard Version 2.1
- LZ4 Version 1.10
- LZ5 Version 1.5
- Zstandard Version 1.5.7
- XChaCha20/XChaCha20-Poly1305 Version 1.0.0
- AES+XChaCha20-Poly1305 (AXP) cascade cipher, Version 1.0.0
- AES+XChaCha20+Ascon (AXA) cascade cipher, Version 1.0.0, Ascon Version 1.3
- XChaCha20+AES+AEGIS (XAA) cascade cipher, Version 1.0.0
What's Changed
- Minor improvements of handlers and coders for brotli, lz4, lz5, lizard and zstd;
- Update 7-Zip to v26.05;
- Some bugs and vulnerabilities were fixed, particularly:
- fixes brotli buffer overflow GHSA-9v8h-qqgm-4m35 (CVE-2026-111497, decoder out-of-bounds write)
- Added new encryption algorithms (cascade ciphers) and key derivation algorithms (gh-505)
- New icons Windows 11 style (gh-563)
Non-darkmode binaries (with -ndm suffix) are provided to support 5.0 subsystem (Windows 7), see gh-440.