Out-of-bounds Write Affecting glib package, versions [,2.87.3)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UNMANAGED-GLIB-15126631
- published29 Jan 2026
- disclosed27 Jan 2026
- creditUnknown
Introduced: 27 Jan 2026
CVE-2026-1489 (opens in a new tab)How to fix?
Upgrade glib to version 2.87.3 or higher.
Overview
Affected versions of this package are vulnerable to Out-of-bounds Write via the real_tolower and output_marks functions. An attacker can cause memory corruption and potentially crash or destabilize applications by submitting specially crafted and extremely large Unicode strings.