Glib: glib: buffer underflow in gvariant parser leads to heap corruption
Summary
| CVE | CVE-2025-14087 |
|---|---|
| State | PUBLISHED |
| Assigner | redhat |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2025-12-10 09:15:47 UTC |
| Updated | 2026-05-27 08:16:38 UTC |
| 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. |
Risk And Classification
Primary CVSS: v3.1 9.8 CRITICAL from [email protected]
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.000620000 probability, percentile 0.194400000 (date 2026-05-31)
Problem Types: CWE-190 | CWE-190 Integer Overflow or Wraparound
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Primary | 9.8 | CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| 3.1 | [email protected] | Secondary | 5.6 | MEDIUM | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L |
| 3.1 | CNA | CVSS | 5.6 | MEDIUM | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
HighIntegrity
HighAvailability
HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Gnome | Glib | All | All | All | All |
| Operating System | Redhat | Enterprise Linux | 10.0 | All | All | All |
| Operating System | Redhat | Enterprise Linux | 7.0 | All | All | All |
| Operating System | Redhat | Enterprise Linux | 8.0 | All | All | All |
| Operating System | Redhat | Enterprise Linux | 9.0 | All | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | GNOME | Glib | affected 2.86.3 semver | Not specified |
| CNA | Red Hat | Red Hat Enterprise Linux 10 | unaffected 0:2.80.4-10.el10_1.13 * rpm | Not specified |
| CNA | Red Hat | Red Hat Enterprise Linux 10 | unaffected 0:2.80.4-12.el10_2.13 * rpm | Not specified |
| CNA | Red Hat | Red Hat Enterprise Linux 10.0 Extended Update Support | unaffected 0:2.80.4-4.el10_0.9 * rpm | Not specified |
| CNA | Red Hat | Red Hat Enterprise Linux 7 Extended Lifecycle Support | unaffected 0:2.56.1-12.el7_9 * rpm | Not specified |
| CNA | Red Hat | Red Hat Enterprise Linux 8 | unaffected 0:2.56.4-169.el8_10 * rpm | Not specified |
| CNA | Red Hat | Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | unaffected 0:2.56.4-10.el8_4.5 * rpm | Not specified |
| CNA | Red Hat | Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On | unaffected 0:2.56.4-10.el8_4.5 * rpm | Not specified |
| CNA | Red Hat | Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support | unaffected 0:2.56.4-158.el8_6.5 * rpm | Not specified |
| CNA | Red Hat | Red Hat Enterprise Linux 8.6 Telecommunications Update Service | unaffected 0:2.56.4-158.el8_6.5 * rpm | Not specified |
| CNA | Red Hat | Red Hat Enterprise Linux 8.6 Update Services For SAP Solutions | unaffected 0:2.56.4-158.el8_6.5 * rpm | Not specified |
| CNA | Red Hat | Red Hat Enterprise Linux 8.8 Telecommunications Update Service | unaffected 0:2.56.4-165.el8_8 * rpm | Not specified |
| CNA | Red Hat | Red Hat Enterprise Linux 8.8 Update Services For SAP Solutions | unaffected 0:2.56.4-165.el8_8 * rpm | Not specified |
| CNA | Red Hat | Red Hat Enterprise Linux 9 | unaffected 0:2.68.4-18.el9_7.2 * rpm | Not specified |
| CNA | Red Hat | Red Hat Enterprise Linux 9 | unaffected 0:2.68.4-19.el9_8.1 * rpm | Not specified |
| CNA | Red Hat | Red Hat Enterprise Linux 9 | unaffected 0:2.68.4-18.el9_7.2 * rpm | Not specified |
| CNA | Red Hat | Red Hat Enterprise Linux 9 | unaffected 0:2.68.4-19.el9_8.1 * rpm | Not specified |
| CNA | Red Hat | Red Hat Enterprise Linux 9.0 Update Services For SAP Solutions | unaffected 0:2.68.4-5.el9_0.5 * rpm | Not specified |
| CNA | Red Hat | Red Hat Enterprise Linux 9.2 Update Services For SAP Solutions | unaffected 0:2.68.4-7.el9_2.5 * rpm | Not specified |
| CNA | Red Hat | Red Hat Enterprise Linux 9.4 Extended Update Support | unaffected 0:2.68.4-14.el9_4.6 * rpm | Not specified |
| CNA | Red Hat | Red Hat Enterprise Linux 9.6 Extended Update Support | unaffected 0:2.68.4-16.el9_6.5 * rpm | Not specified |
| CNA | Red Hat | Red Hat Hardened Images | unaffected 2.88.0-1.1.hum1 * rpm | Not specified |
| CNA | Red Hat | Red Hat Update Infrastructure 5 | unaffected 1779798159 * rpm | Not specified |
| CNA | Red Hat | Red Hat Update Infrastructure 5 | unaffected 1779798164 * rpm | Not specified |
| CNA | Red Hat | Red Hat Update Infrastructure 5 | unaffected 1779798165 * rpm | Not specified |
| CNA | Red Hat | Red Hat Update Infrastructure 5 | unaffected 1779798222 * rpm | Not specified |
| CNA | Red Hat | Red Hat Enterprise Linux 10 | Not specified | Not specified |
| CNA | Red Hat | Red Hat Enterprise Linux 10 | Not specified | Not specified |
| CNA | Red Hat | Red Hat Enterprise Linux 10 | Not specified | Not specified |
| CNA | Red Hat | Red Hat Enterprise Linux 10 | Not specified | Not specified |
| CNA | Red Hat | Red Hat Enterprise Linux 10 | Not specified | Not specified |
| CNA | Red Hat | Red Hat Enterprise Linux 10 | Not specified | Not specified |
| CNA | Red Hat | Red Hat Enterprise Linux 6 | Not specified | Not specified |
| CNA | Red Hat | Red Hat Enterprise Linux 8 | Not specified | Not specified |
| CNA | Red Hat | Red Hat Enterprise Linux 8 | Not specified | Not specified |
| CNA | Red Hat | Red Hat Enterprise Linux 9 | Not specified | Not specified |
| CNA | Red Hat | Red Hat Enterprise Linux 9 | Not specified | Not specified |
| CNA | Red Hat | Red Hat Enterprise Linux 9 | Not specified | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| access.redhat.com/errata/RHSA-2026:19148 | [email protected] | access.redhat.com | |
| gitlab.gnome.org/GNOME/glib/-/issues/3834 | [email protected] | gitlab.gnome.org | |
| access.redhat.com/errata/RHSA-2026:19524 | [email protected] | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:21275 | [email protected] | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:19452 | [email protected] | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:19361 | [email protected] | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:19460 | [email protected] | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:15971 | [email protected] | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:15953 | [email protected] | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:19459 | [email protected] | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:19565 | [email protected] | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:19566 | [email protected] | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:7461 | [email protected] | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:19457 | [email protected] | access.redhat.com | |
| bugzilla.redhat.com/show_bug.cgi | [email protected] | bugzilla.redhat.com | Issue Tracking, Third Party Advisory |
| access.redhat.com/security/cve/CVE-2025-14087 | [email protected] | access.redhat.com | Mitigation, Third Party Advisory |
| access.redhat.com/errata/RHSA-2026:19523 | [email protected] | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:19567 | [email protected] | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:15969 | [email protected] | access.redhat.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: Red Hat would like to thank Sovereign Tech Resilience program (Sovereign Tech Agency) and treeplus for reporting this issue. (en)
Additional Advisory Data
| Source | Time | Event |
|---|---|---|
| CNA | 2025-12-05T08:35:24.744Z | Reported to Red Hat. |
| CNA | 2025-12-05T00:00:00.000Z | Made public. |
Workarounds
CNA: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
There are currently no legacy QID mappings associated with this CVE.