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Medium 5.6Published Dec 10, 2025

CVE-2025-14087Glib: glib: buffer underflow in gvariant parser leads to heap corruption

Updated under an hour ago ()

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It affects GNOME glib and 16 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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A flaw was found in GLib (Gnome Lib). This vulnerability allows a remote attacker to cause heap corruption, leading to a denial of service or potential code execution via a buffer-underflow in the GVariant parser when processing maliciously crafted input strings.

CVSS
5.6 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Weakness (CWE)
CWE-190
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
redhat
NVD analysis
Modified
Record last updated
Oct 14, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
GNOME glib
gnome:glib (from the name)
before 2.86.3
CNA record
from 0:2.80.4-10.el10_1.13 not affected
CNA record
from 0:2.80.4-4.el10_0.9 not affected
CNA record
from 0:2.56.1-12.el7_9 not affected
CNA record
from 0:2.56.4-10.el8_4.5 not affected
CNA record
from 0:2.56.4-10.el8_4.5 not affected
CNA record
from 0:2.56.4-158.el8_6.5 not affected
CNA record
from 0:2.56.4-158.el8_6.5 not affected
CNA record
from 0:2.68.4-14.el9_4.6 not affected
CNA record
from 1791371080 not affected
CNA record

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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