CVE-2025-3360
CBL Mariner vulnerability analysis and mitigation

Overview

A vulnerability was discovered in GLib, identified as CVE-2025-3360, which involves an integer overflow and buffer under-read condition. The flaw occurs when parsing a long invalid ISO 8601 timestamp using the gdatetimenewfrom_iso8601() function. The vulnerability was disclosed on April 7, 2025, affecting GLib versions prior to 2.82.5 (NVD, Debian Tracker).

Technical details

The vulnerability is classified as CWE-190 (Integer Overflow or Wraparound) with a CVSS v3.1 base score of 3.7 (Low). The vulnerability vector is CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L, indicating that it is network-accessible but requires high attack complexity, with no privileges or user interaction required. The scope is unchanged, with no impact on confidentiality or integrity, but low impact on availability (NVD).

Impact

The vulnerability has a low severity impact, primarily affecting system availability. When exploited, the integer overflow and buffer under-read condition could potentially cause application instability or crashes when processing malformed ISO 8601 timestamps (Red Hat CVE).

Mitigation and workarounds

Multiple Linux distributions have released patches to address this vulnerability. Debian has released version 2.66.8-1+deb11u6 for Debian 11 (Bullseye), and the issue has been fixed in version 2.84.1-1 for newer releases. Users are recommended to upgrade their glib2.0 packages to the latest available versions (Debian LTS).

Additional resources


SourceThis report was generated using AI

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