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Fedora 43 GoAccess 1.11 Important Buffer Overflow Fix 2026

Fedora 43 GoAccess 1.11 Important Buffer Overflow Fix 2026

Linuxsecurity •LinuxSecurity Advisories • August 3, 2026

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GoAccess is a real-time web log analyzer and interactive viewer that runs in a

terminal in *nix systems. It provides fast and valuable HTTP statistics for

system administrators that require a visual server report on the fly.

GoAccess parses the specified web log file and outputs the data to terminal.

* General statistics, bandwidth, etc.

* Time taken to serve the request (useful to track pages that are slowing down

* Metrics for cumulative, average and slowest running requests.

* Requested files & static files.

* Hosts, Reverse DNS, IP Location.

* Browsers and Spiders.

* Referring Sites & URLs.

* Geo Location - Continent/Country/City.

* Visitors Time Distribution.

* Ability to output JSON and CSV.

* Tailor GoAccess to suit your own color taste/schemes.

* Support for large datasets + data persistence.

* Output statistics to HTML.

GoAccess allows any custom log format string. Predefined options include, but

* Amazon CloudFront (Download Distribution).

* AWS Elastic Load Balancing.

* Apache/Nginx Common/Combined + VHosts.

* Google Cloud Storage.

Update to goaccess 1.11. Notable fixes: - Fixed a heap buffer overflow when parsing malformed Opera user agents - Fixed an infinite loop while writing log parsing errors from multiple input files - Fixed unique visitor undercounting caused by key collisions - Fixed city lookups ignoring the City database when Country was listed first Also includes: automatic crash-safe migration to storage format v3, ~20% lower storage memory usage and ~35% faster parsing, fullscreen geolocation map controls in the HTML report, and Traditional Chinese translation.

* Sat Jul 25 2026 Eduardo Echeverria - 1.11-1 - Update to 1.11. Fixes rhbz#2502800 - Added automatic, crash-safe migration of persisted databases to storage format version 3 - Added configured zlib and AddressSanitizer options to the version output - Added fullscreen expand and collapse controls to geolocation maps in the HTML report - Added Traditional Chinese translation - Expanded Debian package builds to Ubuntu 26.04 and additional architectures, and updated the packaging workflow actions - Fixed a heap buffer overflow when parsing malformed Opera user agents - Fixed an infinite loop while writing log parsing errors from multiple input files - Fixed city lookups ignoring the City database when a Country database was listed first - Fixed geolocation maps appearing grey after restoring persisted city data - Fixed .gz file extensions being interpreted as macros in the man page - Fixed iOS version parsing from user-agent strings - Fixed unique visitor undercounting caused by collisions between reversed data and visitor key pairs - Fixed WebSocket payload size checks for large and fragmented messages - Grouped Lynx, Links, ELinks, w3m and Chawan under a new "Text-based" browser category - Reduced storage memory usage by 20% and parsing time by 35%

* Sat Jul 25 2026 Eduardo Echeverria - 1.11-1 - Update to 1.11. Fixes rhbz#2502800 - Added automatic, crash-safe migration of persisted databases to storage format version 3 - Added configured zlib and AddressSanitizer options to the version output - Added fullscreen expand and collapse controls to geolocation maps in the HTML report - Added Traditional Chinese translation - Expanded Debian package builds to Ubuntu 26.04 and additional architectures, and updated the packaging workflow actions - Fixed a heap buffer overflow when parsing malformed Opera user agents - Fixed an infinite loop while writing log parsing errors from multiple input files - Fixed city lookups ignoring the City database when a Country database was listed first - Fixed geolocation maps appearing grey after restoring persisted city data - Fixed .gz file extensions being interpreted as macros in the man page - Fixed iOS version parsing from user-agent strings - Fixed unique visitor undercounting caused by collisions between reversed data and visitor key pairs - Fixed WebSocket payload size checks for large and fragmented messages - Grouped Lynx, Links, ELinks, w3m and Chawan under a new "Text-based" browser category - Reduced storage memory usage by 20% and parsing time by 35%

[ 1 ] Bug #2502800 - goaccess-1.11 is available

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-a488a993d1' at the command line. For more information, refer to the dnf documentation available at

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