CVE-2025-14087: GLib (Gnome Lib) · Integer Overflow
Source GCVE Database
Not known to be exploited · CVSS 5.6 Medium : upgrade to 2.86.3 when convenient.
Data as of 10 Nov 2026, 23:23 UTC
Thin evidence
One scorer or none| CNA (redhat) | CVSS 3.1 | 5.6 |
|---|
- EPSS
- 0.8% chance of exploitation in 30 days – higher than 59% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 2.86.3
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:LExploitation evidence
Disclosed: evidence found.
CVE published 10 Dec 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 10 Nov 2026.
What to do
Upgrade glib to 2.86.3.
Patches and advisories
- access.redhat.com/errata/RHSA-2026:15953 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:49512 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:58981 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:72502 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:7461 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:74674 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:82304 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:82322 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:82347 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:82354 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:82372 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:82857 (opens in a new tab)
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| GNOMEglib | Affected
| Fixed in
|
Red Hatredhat/glibpkg:rpm/redhat/glibOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
Description
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.
References
- nvd.nist.gov/vuln/detail/CVE-2025-14087 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:15953 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:49512 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:58981 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:72502 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:7461 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:74674 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:82304 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:82322 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:82347 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:82354 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:82372 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:82857 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:82888 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:97163 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2025-14087 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2419093 (opens in a new tab)
- gitlab.gnome.org/GNOME/glib/-/issues/3834 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:15969 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:15971 (opens in a new tab)