CVE-2025-7039

A flaw was found in glib. An integer overflow during temporary file creation leads to an out-of-bounds memory access, allowing an attacker to potentially perform path traversal or access private temporary file content by creating symbolic links. This vulnerability allows a local attacker to manipulate file paths and access unauthorized data. The core issue stems from insufficient validation of file path lengths during temporary file operations.

CVSS 3.1

3.7CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

EPSS

0.4% chance of exploitation in the next 30 days; higher than 35% of CVEs (scores of 2026-10-25)

CWE

CWE-22

Published

2025-09-03

Modified

2026-10-18

Record from

the NVD, synced 2026-10-19

References

• https://access.redhat.com/security/cve/CVE-2025-7039
• https://bugzilla.redhat.com/show_bug.cgi?id=2392423
• https://cert-portal.siemens.com/productcert/html/ssa-253495.html

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