CVE-2025-14087: GNOME glib · Integer Overflow or Wraparound
Affects GNOME glibSource CVE Database V5
Not known to be exploited · CVSS 5.6 Medium : upgrade to 2.86.3 when convenient.
Data as of 25 Oct 2026, 19:02 UTC
- EPSS
- 0.8% chance of exploitation in 30 days – higher than 57% 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
Weaponised: 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 2026-10-25.
What to do
Upgrade GNOME glib to 2.86.3.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| GNOMEglib | Affected
| Fixed in
|
| Red HatRed Hat Enterprise Linux 10 | Affected– | Fixed in– |
| Red HatRed Hat Enterprise Linux 10 | Affected– | Fixed in– |
| Red HatRed Hat Enterprise Linux 10.0 Extended Update Support | Affected– | Fixed in– |
| Red HatRed Hat Enterprise Linux 7 Extended Lifecycle Support | Affected– | Fixed in– |
| Red HatRed Hat Enterprise Linux 8 | Affected– | Fixed in– |
| Red HatRed Hat Enterprise Linux 8 | Affected– | Fixed in– |
| Red HatRed Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | Affected– | Fixed in– |
| Red HatRed Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On | Affected– | Fixed in– |
| Red HatRed Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support | Affected– | Fixed in– |
| Red HatRed Hat Enterprise Linux 8.6 Telecommunications Update Service | Affected– | Fixed in– |
| Red HatRed Hat Enterprise Linux 8.6 Update Services for SAP Solutions | Affected– | Fixed in– |
| Red HatRed Hat Enterprise Linux 8.8 Telecommunications Update Service | Affected– | Fixed in– |
| Red HatRed Hat Enterprise Linux 8.8 Update Services for SAP Solutions | Affected– | Fixed in– |
| Red HatRed Hat Enterprise Linux 9 | Affected– | Fixed in– |
| Red HatRed Hat Enterprise Linux 9 | Affected– | Fixed in– |
| Red HatRed Hat Enterprise Linux 9.0 Update Services for SAP Solutions | Affected– | Fixed in– |
| Red HatRed Hat Enterprise Linux 9.2 Update Services for SAP Solutions | Affected– | Fixed in– |
| Red HatRed Hat Enterprise Linux 9.4 Extended Update Support | Affected– | Fixed in– |
| Red HatRed Hat Enterprise Linux 9.6 Extended Update Support | Affected– | Fixed in– |
| Red HatCert Manager support for Red Hat OpenShift release 1.17 | Affected– | Fixed in– |
| Red HatCert Manager support for Red Hat OpenShift release 1.17 | Affected– | Fixed in– |
| Red HatCert Manager support for Red Hat OpenShift release 1.17 | Affected– | Fixed in– |
| Red HatCert Manager support for Red Hat OpenShift release 1.17 | Affected– | Fixed in– |
| Red HatCert Manager support for Red Hat OpenShift release 1.18 | Affected– | Fixed in– |
| Red HatCert Manager support for Red Hat OpenShift release 1.18 | Affected– | Fixed in– |
| Red HatCert Manager support for Red Hat OpenShift release 1.18 | Affected– | Fixed in– |
| Red HatCert Manager support for Red Hat OpenShift release 1.18 | Affected– | Fixed in– |
| Red HatCert Manager support for Red Hat OpenShift release 1.18 | Affected– | Fixed in– |
| Red HatCert Manager support for Red Hat OpenShift release 1.20 | Affected– | Fixed in– |
| Red HatRed Hat AI Inference Server 3.2 | Affected– | Fixed in– |
| Red HatRed Hat Discovery 2 | Affected– | Fixed in– |
| Red HatRed Hat Discovery 2 | Affected– | Fixed in– |
| Red HatRed Hat Hardened Images | Affected– | Fixed in– |
| Red HatRed Hat Insights proxy 1.5 | Affected– | Fixed in– |
| Red HatRed Hat OpenShift AI 3.4 | Affected– | Fixed in– |
| Red HatRed Hat Update Infrastructure 5 | Affected– | Fixed in– |
| Red HatRed Hat Update Infrastructure 5 | Affected– | Fixed in– |
| Red HatRed Hat Update Infrastructure 5 | Affected– | Fixed in– |
| Red HatRed Hat Update Infrastructure 5 | Affected– | Fixed in– |
| Red HatRed Hat Update Infrastructure 5 | Affected– | Fixed in– |
| Red HatRed Hat Update Infrastructure 5 | Affected– | Fixed in– |
| Red HatRed Hat Update Infrastructure 5 | Affected– | Fixed in– |
| Red HatRed Hat Enterprise Linux 10 | Affected– | Fixed in– |
| Red HatRed Hat Enterprise Linux 10 | Affected– | Fixed in– |
| Red HatRed Hat Enterprise Linux 6 | Affected– | Fixed in– |
| Red HatRed Hat Enterprise Linux 8 | Affected– | Fixed in– |
| Red HatRed Hat Enterprise Linux 9 | Affected– | Fixed in– |
| Red HatRed Hat Enterprise Linux 9 | Affected– | Fixed in– |
| Red HatRed Hat OpenShift Container Platform 4 | 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.
AI-suggested
Official patches addressing CVE-2025-14087 are available from Red Hat for affected versions of glib2 in Red Hat Enterprise Linux 8 and 10. Users should apply the security updates as described in Red Hat advisories RHSA-2026:15953 and RHSA-2026:15969. Refer to https://access.redhat.com/articles/11258 for update instructions. No additional mitigation is required beyond applying these official fixes.
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
- access.redhat.com/errata/RHSA-2026:15953 (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)
- access.redhat.com/errata/RHSA-2026:19148 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:19361 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:19452 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:19457 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:19459 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:19460 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:19523 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:19524 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:19565 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:19566 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:19567 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:21275 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:22634 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:25096 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:29197 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:7461 (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-2026:49512 (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-2026:74674 (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)