This is to announce gzip-1.15, a stable release. Special thanks to Paul Eggert for his indefatigable support.
There have been 119 commits by 5 people in the 75 weeks since 1.14.
See the NEWS below for a brief summary.
Thanks to everyone who has contributed!
The following people contributed changes to this release:
Bruno Haible (2)
Collin Funk (2)
Jim Meyering (24)
Mark Adler (3)
Paul Eggert (88)
Jim
[on behalf of the gzip maintainers]
==================================================================
Here is the GNU gzip home page:
https://gnu.org/s/gzip/
Here are the compressed sources:
https://ftp.gnu.org/gnu/gzip/gzip-1.15.tar.gz (1.2MB)
https://ftp.gnu.org/gnu/gzip/gzip-1.15.tar.xz (792KB)
https://ftp.gnu.org/gnu/gzip/gzip-1.15.zip (1.5MB)
Here are the GPG detached signatures:
https://ftp.gnu.org/gnu/gzip/gzip-1.15.tar.gz.sig
https://ftp.gnu.org/gnu/gzip/gzip-1.15.tar.xz.sig
https://ftp.gnu.org/gnu/gzip/gzip-1.15.zip.sig
Use a mirror for higher download bandwidth:
https://www.gnu.org/order/ftp.html
Here are the SHA256 and SHA3-256 checksums:
SHA256 (gzip-1.15.tar.gz) = VFiGz1f6iKZeln+/cFkD1/yyVnyCxzQkk+gujXsaIQs=
SHA3-256 (gzip-1.15.tar.gz) = Pi3C560xPn/r7b8OPXzDZolBiOfpW/Bo9G+wUAdbgCw=
SHA256 (gzip-1.15.tar.xz) = mqDMeA3sFWuCgoRIM7NCq3ywjCXSzZoYac3Q3zHe/0g=
SHA3-256 (gzip-1.15.tar.xz) = gwwVDPignGjkxS/sw1QPN+PInnUE5sxAjkefL5C3/Mk=
SHA256 (gzip-1.15.zip) = UvU0W04E/rexLC/qZ1/40GucNXMTtUh2yDu6cdICzhA=
SHA3-256 (gzip-1.15.zip) = nhoi+h4j1rwxGJSA8pwkqehAoraNQGbcgvGxYOcxQkg=
Verify the base64 SHA256 checksum with 'cksum -a sha256 --check'
from coreutils-9.2 or OpenBSD's cksum since 2007.
Verify the base64 SHA3-256 checksum with 'cksum -a sha3 --check'
from coreutils-9.8.
Use a .sig file to verify that the corresponding file (without the
.sig suffix) is intact. First, be sure to download both the .sig file
and the corresponding tarball. Then, run a command like this:
gpg --verify gzip-1.15.tar.gz.sig gzip-1.15.tar.gz
The signature should match the fingerprint of the following key:
pub rsa4096/0x7FD9FCCB000BEEEE 2010-06-14 [SCEA]
Key fingerprint = 155D 3FC5 00C8 3448 6D1E EA67 7FD9 FCCB 000B EEEE
uid [ultimate] Jim Meyering <[email protected]>
uid [ultimate] Jim Meyering <[email protected]>
uid [ultimate] Jim Meyering <[email protected]>
If that command fails because you don't have the required public key,
or that public key has expired, try the following commands to retrieve
or refresh it, and then rerun the 'gpg --verify' command.
gpg --locate-external-key [email protected]
gpg --recv-keys 7FD9FCCB000BEEEE
wget -q -O-
'https://savannah.gnu.org/project/release-gpgkeys.php?group=gzip&download=1' |
gpg --import -
As a last resort to find the key, you can try the official GNU
keyring:
wget -q https://ftp.gnu.org/gnu/gnu-keyring.gpg
gpg --keyring gnu-keyring.gpg --verify gzip-1.15.tar.gz.sig gzip-1.15.tar.gz
This release is based on the gzip git repository, available as
git clone https://https.git.savannah.gnu.org/git/gzip.git
with commit e6263160768c73f6117f3c1de78291a60f2cb796 tagged as v1.15.
For a summary of changes and contributors, see:
https://gitweb.git.savannah.gnu.org/gitweb/?p=gzip.git;a=shortlog;h=v1.15
or run this command from a git-cloned gzip directory:
git shortlog v1.14..v1.15
This release was bootstrapped with the following tools:
Autoconf 2.73.1-b400b
Automake 1.19
Gnulib 2026-09-04 331c8d065a8a753de71f084f068473ccd5e4c34a
NEWS
* Noteworthy changes in release 1.15 (2026-09-20) [stable]
** Bug fixes
gzip no longer can mistakenly remove the wrong file if some other
process simultaneously renames a gzip destination's ancestor.
[bug present since the beginning]
gzip -d no longer rejects PKZIP signatures, local header, and data
descriptors. These can appear in well-formed streamed zip files.
[bug present since the beginning]
gzip diagnostics now quote file names containing unusual characters.
[bug present since the beginning]
A use of uninitialized memory on some malformed inputs has been fixed.
[bug present since the beginning]
A buffer overflow has been fixed when decompressing an .lzh file
after decompressing a .Z file.
[bug present since the beginning]
When decompressing an .lzh file, the output is no longer corrupted
when an internal bit buffer is not properly cleared.
[bug present since the beginning]
When decompressing an .lzh file after another .lzh file, the output is
no longer corrupted by the previous file's decoding table.
[bug present since the beginning]
gzip --synchronous no longer fails to synchronize unreadable parent
directories on platforms like GNU/Linux that have O_PATH, or to
synchronize any parent directories on platforms like FreeBSD that
have O_SEARCH but not O_PATH.
[bug introduced in gzip-1.7]
On old-fashioned or limited platforms lacking mktemp, gzexe, zdiff
and znew no longer have a race when creating a temporary file.
[bug present since the beginning]
** Changes in behavior
gzip no longer insists on the "C" locale; instead, it follows the
typical practice of using the locale specified by the environment.
This change, which is needed for file name quoting, can affect the
format of floating-point numbers output by gzip's -l and -v options.
Diagnostics are still in English, though.
gzip -l now reports "-Inf%" instead of "0.0%" for the infinite
compression ratio of an empty file.
znew's -P option is now ignored, with a warning. It was present
only to improve performance, and its implementation had too many
bugs to be worth supporting.
** Platforms no longer supported
The following platforms (or earlier) are no longer supported because
their old multibyte libraries do not work well enough: FreeBSD 4.11
(2005), HP-UX 11.00 (1997), Minix 3.1.8 (2010), MS-Windows 8.1
(2013) via mingw without UCRT.
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