CVE-2026-1489
Glib: glib: memory corruption via integer overflow in unicode case conversion
Description
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.
No summary for this CVE yet.
CVSS Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:LAttack ComplexityLow
PR:NPrivileges RequiredNone
UI:RUser InteractionRequired
Scope
S:UScopeUnchanged
Impact
C:NConfidentialityNone
I:LIntegrityLow
A:LAvailabilityLow
Weaknesses
Affected Products
Red Hat Inc.
commercial·USaka Red Hat
ООО «РусБИТех-Астра»
commercial·RUaka rusbitech-astra
The GNOME Project
oss-projectaka libgsf, glib, gdkpixbuf
АО «СберТех»
commercial·RUaka ao sbertech, сбертех
and 5 more affected products View all →
Exploitability
Official Patch Available
Workaround Available
Attack Graph
Products CVE Techniques Tactics
Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.
MITRE ATT&CK
2 techniques Initial Access
Privilege Escalation
References
https://access.redhat.com/security/cve/CVE-2026-1489
access.redhat.com
https://bugzilla.redhat.com/show_bug.cgi?id=2433348
bugzilla.redhat.com
https://gitlab.gnome.org/GNOME/glib/-/issues/3872
gitlab.gnome.org
and 156 more references View all →
Unlock Complete Vulnerability Intelligence
Get the full picture for CVE-2026-1489 and every CVE in our database. Create a free account — no credit card required.
Create Free AccountPlain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows