dichotomic-compression
ZLib
| dichotomic-compression | ZLib | |
|---|---|---|
| 2 | 49 | |
| 5 | 5,293 | |
| - | - | |
| 0.0 | 8.8 | |
| over 2 years ago | 6 days ago | |
| C | C | |
| MIT License | GNU General Public License v3.0 or later |
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dichotomic-compression
ZLib
- Zlib 1.3.1 Out
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Vulnerability found after scanning debian 12 bookworm VM
A fix has been checked into the upstream git repo: https://github.com/madler/zlib/pull/843 but a release has not yet been made including it.
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ZLib VS jdeflate - a user suggested alternative
2 projects | 25 Nov 2023
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CVE-2023-4863: Heap buffer overflow in WebP (Chrome)
So the real issue here is that the lack of tree validation before the tree construction, I believe. I'm surprised that this check was not yet implemented (I actually checked libwebp to make sure that I was missing one). Given this blind spot, an automated test based on the domain knowledge is likely useless to catch this bug.
[1] https://github.com/madler/zlib/blob/master/examples/enough.c
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Notes: Advanced Node.js Concepts by Stephen Grider
In the source code of the Node.js opensource project, lib folder contains JavaScript code, mostly wrappers over C++ and function definitions. On the contrary, src folder contains C++ implementations of the functions, which pulls dependencies from the V8 project, the libuv project, the zlib project, the llhttp project, and many more - which are all placed at the deps folder.
- Zlib 1.3 · madler/zlib 09155ea
- Zlib 1.3 – A Spiffy yet Delicately Unobtrusive Compression Library
- Exploring the Internals of Linux v0.01
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Dear Pirates Donate as much as you can
Seeing the text in red got me thinking for a moment, "wow, didn't realize pirates had such love for an open-source compression library"
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Updated packages: do Arch devs update/build the original source as is or...
cd "${srcdir}/zlib-$pkgver/contrib/minizip" make install DESTDIR="${pkgdir}" install -D -m644 "${srcdir}/zlib-$pkgver/LICENSE" "${pkgdir}/usr/share/licenses/minizip/LICENSE" # https://github.com/madler/zlib/pull/229 rm "${pkgdir}/usr/include/minizip/crypt.h"
What are some alternatives?
bc - An implementation of the POSIX bc calculator with GNU extensions and dc, moved away from GitHub. Finished, but well-maintained.
zstd - Zstandard - Fast real-time compression algorithm
brotli - Brotli compression format
LZ4 - Extremely Fast Compression algorithm
Snappy - A fast compressor/decompressor
BorgBackup - Deduplicating archiver with compression and authenticated encryption.
LZMA - (Unofficial) Git mirror of LZMA SDK releases
minlzma - The Minimal LZMA (minlzma) project aims to provide a minimalistic, cross-platform, highly commented, standards-compliant C library (minlzlib) for decompressing LZMA2-encapsulated compressed data in LZMA format within an XZ container, as can be generated with Python 3.6, 7-zip, and xzutils
Onion - C library to create simple HTTP servers and Web Applications.
libmspack - A library for some loosely related Microsoft compression formats, CAB, CHM, HLP, LIT, KWAJ and SZDD.
Minizip-ng - Fork of the popular zip manipulation library found in the zlib distribution.