CVE-2025-14087

CRITICALNVD 9.85.6▼
EchelonGraph scoreMEDIUM confidence

Score 5.6 from GitHub Security Advisory published 2025-12-10. NVD baseline CVSS 5.6; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 9.8Exploit: NoneExposed: 0

A fix is available — apply it.

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 v3
9.8
EG Score
5.6(medium)
EPSS
50.6%
KEV
Not listed

Published

December 10, 2025

Last Modified

June 30, 2026

Advisory Details (14)

Auto-updated Jun 30, 2026
Patch available. Sources: redhat.
redhat Patch Available

Affected: Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Serv

https://access.redhat.com/errata/RHSA-2026:19523
redhat Patch Available

Affected: Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions.

https://access.redhat.com/errata/RHSA-2026:19460
redhat Patch Available

Affected: Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions.

https://access.redhat.com/errata/RHSA-2026:19459
redhat Patch Available

Affected: Red Hat Enterprise Linux 9.6 Extended Update Support.

https://access.redhat.com/errata/RHSA-2026:19457
redhat Patch Available

Affected: Red Hat Enterprise Linux 9.4 Extended Update Support.

https://access.redhat.com/errata/RHSA-2026:19452
redhat Patch Available

Affected: Red Hat Enterprise Linux 9.

https://access.redhat.com/errata/RHSA-2026:19361
redhat Patch Available

Affected: Red Hat Enterprise Linux 10.

https://access.redhat.com/errata/RHSA-2026:19148
redhat Patch Available

Affected: Red Hat Enterprise Linux 9.

https://access.redhat.com/errata/RHSA-2026:15971
redhat Patch Available

Affected: Red Hat Enterprise Linux 10.

https://access.redhat.com/errata/RHSA-2026:15969
redhat Patch Available

Affected: Red Hat Enterprise Linux 8.

https://access.redhat.com/errata/RHSA-2026:15953
generic

(CVE-2025-14087) (#YWH-PGM9867-145) Buffer underflow on Glib through glib/gvariant via bytestring_parse() or string_parse() leads to OOB Write (#3834) · Issues · GNOME / GLib · GitLab

https://gitlab.gnome.org/GNOME/glib/-/issues/3834
redhat Patch Available

2419093 – (CVE-2025-14087) CVE-2025-14087 glib: GLib: Buffer underflow in GVariant parser leads to heap corruption

Affected: Red Hat Enterprise Linux 8

https://bugzilla.redhat.com/show_bug.cgi?id=2419093
redhat Patch Available

cve-details

https://access.redhat.com/security/cve/CVE-2025-14087
redhat Patch Available
https://access.redhat.com/errata/RHSA-2026:7461

Vendor Advisories for CVE-2025-14087(20)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(17)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulibglib2.0-tests (2.86.0-2ubuntu0.1) @ questing2026-05-21ubuntu
ubuntulibglib2.0-tests (2.48.2-0ubuntu4.8+esm5) @ xenial2026-05-21ubuntu
redhatglib2-0:2.80.4-4.el10_0.92026-05-20redhat
redhatglib2-0:2.56.4-158.el8_6.52026-05-20redhat
redhatglib2-0:2.68.4-14.el9_4.62026-05-20redhat
redhatglib2-0:2.68.4-7.el9_2.52026-05-20redhat
redhatglib2-0:2.56.4-10.el8_4.52026-05-20redhat
redhatglib2-0:2.56.4-165.el8_82026-05-20redhat
redhatglib2-0:2.68.4-5.el9_0.52026-05-20redhat
redhatglib2-0:2.68.4-16.el9_6.52026-05-20redhat
redhatglib2-0:2.56.1-12.el7_92026-05-20redhat
redhatglib2-0:2.68.4-19.el9_8.12026-05-19redhat
redhatglib2-0:2.80.4-12.el10_2.132026-05-19redhat
redhatglib2-0:2.68.4-18.el9_7.22026-05-11redhat
redhatglib2-0:2.56.4-169.el8_102026-05-11redhat
redhatglib2-0:2.80.4-10.el10_1.132026-05-11redhat
redhatglib2-main-2.88.0-1.1.hum12026-04-10redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Additional Vendor Advisories

(3)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 7× in last 7d / 44× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-06 16:26 UTCEPSS rescore
  2. 2026-07-06 02:22 UTCEPSS rescore
  3. 2026-07-06 02:22 UTCEPSS rescore
  4. 2026-07-05 02:30 UTCEPSS rescore
  5. 2026-07-04 06:30 UTCEPSS rescore
  6. 2026-07-01 15:06 UTCEPSS rescore
  7. 2026-06-30 23:21 UTCEPSS rescore
  8. 2026-06-30 00:19 UTCNVD updateCVSS v3 → 9.8 · severity → CRITICAL
  9. 2026-06-29 23:38 UTCMITRE cvelistV5CVSS v3 → 5.6 · severity → MEDIUM
  10. 2026-06-28 14:07 UTCEPSS rescore
  11. 2026-06-28 14:07 UTCEPSS rescore
  12. 2026-06-28 04:55 UTCEPSS rescore
  13. 2026-06-27 03:08 UTCEPSS rescore
  14. 2026-06-27 03:08 UTCEPSS rescore
  15. 2026-06-25 13:49 UTCEPSS rescore
  16. 2026-06-25 13:49 UTCEPSS rescore
  17. 2026-06-24 14:04 UTCEPSS rescore
  18. 2026-06-24 14:04 UTCEPSS rescore
  19. 2026-06-23 21:32 UTCEPSS rescore
  20. 2026-06-22 14:25 UTCEPSS rescore
  21. 2026-06-22 14:25 UTCEPSS rescore
  22. 2026-06-21 14:56 UTCEPSS rescore
  23. 2026-06-21 14:56 UTCEPSS rescore
  24. 2026-06-21 10:31 UTCOSV refresh
  25. 2026-06-21 01:59 UTCEPSS rescore
Show 74 more
  1. 2026-06-21 01:59 UTCEPSS rescore
  2. 2026-06-19 19:25 UTCEPSS rescore
  3. 2026-06-19 19:25 UTCEPSS rescore
  4. 2026-06-18 17:52 UTCEPSS rescore
  5. 2026-06-18 17:52 UTCEPSS rescore
  6. 2026-06-17 17:52 UTCEPSS rescore
  7. 2026-06-16 17:52 UTCEPSS rescore
  8. 2026-06-15 17:48 UTCEPSS rescore
  9. 2026-06-14 23:17 UTCEPSS rescore
  10. 2026-06-13 22:59 UTCEPSS rescore
  11. 2026-06-13 22:59 UTCEPSS rescore
  12. 2026-06-12 23:11 UTCEPSS rescore
  13. 2026-06-11 13:59 UTCEPSS rescore
  14. 2026-06-10 22:18 UTCEPSS rescore
  15. 2026-06-10 13:21 UTCEPSS rescore
  16. 2026-06-08 23:30 UTCNVD updateCVSS v3 → 9.8 · severity → CRITICAL
  17. 2026-06-08 14:16 UTCEPSS rescore
  18. 2026-06-08 14:16 UTCEPSS rescore
  19. 2026-06-07 15:24 UTCEPSS rescore
  20. 2026-06-06 13:47 UTCEPSS rescore
  21. 2026-06-06 13:47 UTCEPSS rescore
  22. 2026-06-05 22:46 UTCEPSS rescore
  23. 2026-06-05 22:46 UTCEPSS rescore
  24. 2026-06-05 06:10 UTCEPSS rescore
  25. 2026-06-05 06:10 UTCEPSS rescore
  26. 2026-06-04 13:11 UTCEPSS rescore
  27. 2026-06-04 13:11 UTCEPSS rescore
  28. 2026-06-02 20:12 UTCEPSS rescore
  29. 2026-06-02 20:12 UTCEPSS rescore
  30. 2026-06-02 01:39 UTCOSV refresh
  31. 2026-06-01 13:51 UTCEPSS rescore
  32. 2026-06-01 13:51 UTCEPSS rescore
  33. 2026-05-31 22:30 UTCEPSS rescore
  34. 2026-05-31 22:30 UTCEPSS rescore
  35. 2026-05-31 00:16 UTCEPSS rescore
  36. 2026-05-31 00:16 UTCEPSS rescore
  37. 2026-05-29 13:44 UTCEPSS rescore
  38. 2026-05-28 13:44 UTCEPSS rescore
  39. 2026-05-28 13:44 UTCEPSS rescore
  40. 2026-05-28 13:44 UTCEPSS rescore
  41. 2026-05-28 13:44 UTCEPSS rescore
  42. 2026-05-27 13:40 UTCEPSS rescore
  43. 2026-05-27 13:40 UTCEPSS rescore
  44. 2026-05-27 13:40 UTCEPSS rescore
  45. 2026-05-27 13:40 UTCEPSS rescore
  46. 2026-05-26 13:43 UTCEPSS rescore
  47. 2026-05-26 13:43 UTCEPSS rescore
  48. 2026-05-26 13:43 UTCEPSS rescore
  49. 2026-05-26 13:43 UTCEPSS rescore
  50. 2026-05-26 07:18 UTCEPSS rescore
  51. 2026-05-26 07:18 UTCEPSS rescore
  52. 2026-05-26 07:18 UTCEPSS rescore
  53. 2026-05-26 07:18 UTCEPSS rescore
  54. 2026-05-24 16:56 UTCEPSS rescore
  55. 2026-05-23 15:20 UTCEPSS rescore
  56. 2026-05-22 21:16 UTCEPSS rescore
  57. 2026-05-22 21:16 UTCEPSS rescore
  58. 2026-05-22 21:16 UTCEPSS rescore
  59. 2026-05-21 22:42 UTCEPSS rescore
  60. 2026-05-21 03:23 UTCEG score recompute
  61. 2026-05-21 03:23 UTCVendor advisory
  62. 2026-05-21 03:23 UTCGHSA enrichment
  63. 2026-05-20 22:37 UTCEPSS rescore
  64. 2026-05-20 22:37 UTCEPSS rescore
  65. 2026-05-20 22:37 UTCEPSS rescore
  66. 2026-05-20 22:37 UTCEPSS rescore
  67. 2026-05-20 22:37 UTCEPSS rescore
  68. 2026-05-20 11:21 UTCEPSS rescore
  69. 2026-05-20 11:21 UTCEPSS rescore
  70. 2026-05-20 11:21 UTCEPSS rescore
  71. 2026-05-20 11:21 UTCEPSS rescore
  72. 2026-05-20 11:21 UTCEPSS rescore
  73. 2026-05-20 11:03 UTCOSV refresh
  74. 2026-05-18 21:30 UTCEPSS rescore

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2025-14087?
CVE-2025-14087 is a critical vulnerability published on December 10, 2025. 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.
When was CVE-2025-14087 disclosed?
CVE-2025-14087 was first published in the National Vulnerability Database on December 10, 2025, with the most recent update on June 30, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-14087 actively exploited?
CVE-2025-14087 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 50.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2025-14087?
CVE-2025-14087 has a CVSS v3 base score of 9.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 5.6.
How do I remediate CVE-2025-14087?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-14087, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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