CVE-2026-1489 (GCVE-0-2026-1489)

Vulnerability from cvelistv5 – Published: 2026-01-27 14:26 – Updated: 2026-02-03 20:02
VLAI?
Title
Glib: glib: memory corruption via integer overflow in unicode case conversion
Summary
A flaw was found in GLib. An integer overflow vulnerability in its Unicode case conversion implementation can lead to memory corruption. By processing specially crafted and extremely large Unicode strings, an attacker could trigger an undersized memory allocation, resulting in out-of-bounds writes. This could cause applications utilizing GLib for string conversion to crash or become unstable.
Severity ?
5.4 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
CWE
Assigner
References
Impacted products
Vendor Product Version
Red Hat Red Hat Enterprise Linux 10     cpe:/o:redhat:enterprise_linux:10
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    Red Hat Red Hat Enterprise Linux 10     cpe:/o:redhat:enterprise_linux:10
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    Red Hat Red Hat Enterprise Linux 10     cpe:/o:redhat:enterprise_linux:10
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    Red Hat Red Hat Enterprise Linux 10     cpe:/o:redhat:enterprise_linux:10
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    Red Hat Red Hat Enterprise Linux 10     cpe:/o:redhat:enterprise_linux:10
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    Red Hat Red Hat Enterprise Linux 10     cpe:/o:redhat:enterprise_linux:10
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    Red Hat Red Hat Enterprise Linux 10     cpe:/o:redhat:enterprise_linux:10
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    Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
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    Red Hat Red Hat Enterprise Linux 7     cpe:/o:redhat:enterprise_linux:7
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    Red Hat Red Hat Enterprise Linux 8     cpe:/o:redhat:enterprise_linux:8
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    Red Hat Red Hat Enterprise Linux 8     cpe:/o:redhat:enterprise_linux:8
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    Red Hat Red Hat Enterprise Linux 8     cpe:/o:redhat:enterprise_linux:8
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    Red Hat Red Hat Enterprise Linux 9     cpe:/o:redhat:enterprise_linux:9
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    Red Hat Red Hat Enterprise Linux 9     cpe:/o:redhat:enterprise_linux:9
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    Red Hat Red Hat Enterprise Linux 9     cpe:/o:redhat:enterprise_linux:9
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    Red Hat Red Hat Enterprise Linux 9     cpe:/o:redhat:enterprise_linux:9
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Credits
Red Hat would like to thank treeplus for reporting this issue.
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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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