Heap Buffer Overflow in GLib's GIO Affects Multiple Products
CVE-2025-14512

6.5MEDIUM

Key Information:

Vendor

Gnome
Status
Glib
Red Hat Enterprise Linux 10
Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 7
Vendor
CVE Published:
11 December 2025

What is CVE-2025-14512?

A vulnerability exists in GLib that enables a heap buffer overflow due to an integer overflow in the escape_byte_string() function within the GIO module. This flaw can be exploited when processing malicious files or attributes from a remote filesystem, potentially leading to a denial-of-service condition. Attackers may craft specific input that triggers this vulnerability, making it critical for users to implement timely security updates to mitigate risks.

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Affected Version(s)

glib 0 < 2.86.3

References

https://access.redhat.com/security/cve/CVE-2025-14512
vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2421339
issue-trackingx_refsource_REDHAT

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Red Hat would like to thank Codean Labs for reporting this issue.
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