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CVE-2026-1489

Glib: glib: memory corruption via integer overflow in unicode case conversion

CVSS 3.1 5.4 MEDIUMCheck source for fixed versionsKEV status unknown
Original advisory

cve-program · CVE-2026-1489

Published

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.

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Affected versions, risk and source history

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Publishers link these advisories through the identifiers shown below. A shared identifier or date alone does not tell you whether your software is affected or whether the advisories describe the same cause.

CVE-2026-1489 · CVE overview and exploitation status

cve-program · CVE-2026-1489

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Sources read 15 Nov 06:00 UTC · 254 of 275 readable · 250 fully read · documentation 469/469 current

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