The Slackware Linux Security Team has announced the release of updated packages for three applications: expat, mozilla-firefox, and mozilla-thunderbird, aimed at addressing various security vulnerabilities. These updates are available for both Slackware 15.0 and the -current version, accessible via the Slackware project's FTP servers and mirrors.

Updates Overview:

1. Expat (SSA:2025-260-01):
- Version: 2.7.2
- Fixes: Addresses a significant security issue related to memory allocation within an Expat parser, which could lead to excessive dynamic memory usage. The update implements a threshold to prevent such amplification of memory usage.
- Download Links:
- [32-bit Slackware 15.0](ftp://ftp.slackware.com/pub/slackware/slackware-15.0/patches/packages/expat-2.7.2-i586-1_slack15.0.txz)
- [64-bit Slackware 15.0](ftp://ftp.slackware.com/pub/slackware/slackware64-15.0/patches/packages/expat-2.7.2-x86_64-1_slack15.0.txz)
- [32-bit -current](ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/l/expat-2.7.2-i686-1.txz)
- [64-bit -current](ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/l/expat-2.7.2-x86_64-1.txz)

2. Mozilla Firefox (SSA:2025-260-02):
- Version: 140.3.0esr
- Fixes: Incorporates multiple security enhancements, addressing several vulnerabilities that could potentially compromise user security.
- Download Links:
- [32-bit Slackware 15.0](ftp://ftp.slackware.com/pub/slackware/slackware-15.0/patches/packages/mozilla-firefox-140.3.0esr-i686-1_slack15.0.txz)
- [64-bit Slackware 15.0](ftp://ftp.slackware.com/pub/slackware/slackware64-15.0/patches/packages/mozilla-firefox-140.3.0esr-x86_64-1_slack15.0.txz)
- [32-bit -current](ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/xap/mozilla-firefox-140.3.0esr-i686-1.txz)
- [64-bit -current](ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/xap/mozilla-firefox-140.3.0esr-x86_64-1.txz)

3. Mozilla Thunderbird (SSA:2025-260-03):
- Version: 140.3.0esr
- Fixes: Similar to Firefox, this update brings several security improvements to the email client.
- Download Links:
- [32-bit Slackware 15.0](ftp://ftp.slackware.com/pub/slackware/slackware-15.0/patches/packages/mozilla-thunderbird-140.3.0esr-i686-1_slack15.0.txz)
- [64-bit Slackware 15.0](ftp://ftp.slackware.com/pub/slackware/slackware64-15.0/patches/packages/mozilla-thunderbird-140.3.0esr-x86_64-1_slack15.0.txz)
- [32-bit -current](ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/xap/mozilla-thunderbird-140.3.0esr-i686-1.txz)
- [64-bit -current](ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/xap/mozilla-thunderbird-140.3.0esr-x86_64-1.txz)

Installation Instructions:

To apply these updates, users should run the following command as root:

upgradepkg

Replace `` with the respective package you wish to upgrade.

Acknowledgments:

The Slackware project expresses gratitude to the OSU Open Source Lab for their support in hosting the FTP and rsync services. For users seeking additional mirror sites, the "Get Slack" section on the Slackware website provides further resources.

Conclusion:

Keeping software up to date is crucial for maintaining system security and functionality. Users are encouraged to download and install these updates promptly to safeguard their systems against potential vulnerabilities

Expat, Firefox, Thunderbird updates for Slackware

The Slackware Linux Security Team has released new packages to fix security issues for three applications: expat, mozilla-firefox, and mozilla-thunderbird. The updated packages are available for Slackware 15.0 and -current, and can be downloaded from the Slackware project's FTP servers or mirror sites. The updates include security fixes and improvements for expat (version 2.7.2), mozilla-firefox (version 140.3.0esr), and mozilla-thunderbird (version 140.3.0esr).

expat (SSA:2025-260-01)
mozilla-firefox (SSA:2025-260-02)
mozilla-thunderbird (SSA:2025-260-03)

Expat, Firefox, Thunderbird updates for Slackware @ Linux Compatible