CVE-2025-15281

HIGHNVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-01-20. NVD baseline CVSS 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.5Exploit: None knownExposed: 0

A fix is available — apply it.

Calling wordexp with WRDE_REUSE in conjunction with WRDE_APPEND in the GNU C Library version 2.0 to version 2.42 may cause the interface to return uninitialized memory in the we_wordv member, which on subsequent calls to wordfree may abort the process.

CVSS v3
7.5
EG Score
7.5(medium)
EG Risk
49(Track)
EG Risk 49/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity75% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
38%
KEV
Not listed

Published

January 20, 2026

Last Modified

June 17, 2026

Advisory Details (2)

Auto-updated Aug 2, 2026
No patch confirmed yet.
generic

oss-security - The GNU C Library security advisories update for 2026-01-20

http://www.openwall.com/lists/oss-security/2026/01/20/3
generic

33814 – (CVE-2025-15281) wordexp with WRDE_REUSE and WRDE_APPEND may return uninitialized memory

https://sourceware.org/bugzilla/show_bug.cgi?id=33814

Vendor Advisories for CVE-2025-15281(10)

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

Patch Availability(10)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntunscd (2.35-0ubuntu3.13) @ jammy2026-05-29ubuntu
redhatglibc-0:2.39-113.el102026-05-19redhat
redhatglibc-main-2.42-11.1.hum12026-04-09redhat
redhatrhceph/rhceph-8-rhel9:17740028672026-03-24redhat
redhatrhui5/rhua-rhel9:17736701372026-03-18redhat
redhatglibc-0:2.28-251.el8_10.312026-03-17redhat
redhatinsights-proxy/insights-proxy-container-rhel9:17736855092026-03-16redhat
redhatdiscovery/discovery-ui-rhel9:17732730702026-03-12redhat
redhatcostmanagement/costmanagement-metrics-rhel9-operator:17708363492026-02-24redhat
redhatglibc-0:2.34-231.el9_7.102026-02-17redhat

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.

Affected Packages

(4 across 4 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
glibc2.31-13 ... 2.31-13+deb11u9 (14 versions)2.31-13+deb11u14—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
glibc2.36-9 ... 2.36-9+deb12u9 (14 versions)2.36-9+deb12u14—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
glibc2.41-12, 2.41-12+deb13u12.41-12+deb13u2—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
glibc2.41-12 ... 2.42-9 (15 versions)2.42-11—

Weakness Classification(1)

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

Additional Vendor Advisories

(1)

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 / 46× 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.

Showing the most recent 100 of 140 total refreshes for this CVE.

  1. 2026-08-30 19:16 UTCEPSS rescore
  2. 2026-08-30 01:21 UTCEPSS rescore
  3. 2026-08-28 21:40 UTCEPSS rescore
  4. 2026-08-27 14:24 UTCEPSS rescore
  5. 2026-08-26 14:45 UTCEPSS rescore
  6. 2026-08-25 13:47 UTCEPSS rescore
  7. 2026-08-24 14:15 UTCEPSS rescore
  8. 2026-08-23 00:18 UTCEPSS rescore
  9. 2026-08-21 23:48 UTCEPSS rescore
  10. 2026-08-20 22:54 UTCEPSS rescore
  11. 2026-08-19 17:02 UTCEPSS rescore
  12. 2026-08-18 13:47 UTCEPSS rescore
  13. 2026-08-17 13:46 UTCEPSS rescore
  14. 2026-08-16 14:55 UTCEPSS rescore
  15. 2026-08-16 02:13 UTCEPSS rescore
  16. 2026-08-16 02:13 UTCEPSS rescore
  17. 2026-08-15 01:29 UTCEPSS rescore
  18. 2026-08-15 00:53 UTCVendor advisory
  19. 2026-08-15 00:53 UTCGHSA enrichment
  20. 2026-08-14 13:39 UTCEG score recompute
  21. 2026-08-14 13:39 UTCVendor advisory
  22. 2026-08-14 13:39 UTCGHSA enrichment
  23. 2026-08-13 21:59 UTCEPSS rescore
  24. 2026-08-12 13:49 UTCEPSS rescore
  25. 2026-08-11 13:41 UTCEPSS rescore
Show 75 more
  1. 2026-08-10 23:59 UTCEPSS rescore
  2. 2026-08-09 19:14 UTCEG score recompute
  3. 2026-08-09 19:14 UTCVendor advisory
  4. 2026-08-09 19:14 UTCGHSA enrichment
  5. 2026-08-09 13:45 UTCEPSS rescore
  6. 2026-08-08 00:13 UTCEG score recompute
  7. 2026-08-08 00:13 UTCVendor advisory
  8. 2026-08-08 00:13 UTCGHSA enrichment
  9. 2026-08-07 16:26 UTCEPSS rescore
  10. 2026-08-06 13:45 UTCEPSS rescore
  11. 2026-08-06 05:27 UTCEG score recompute
  12. 2026-08-06 05:27 UTCVendor advisory
  13. 2026-08-06 05:27 UTCGHSA enrichment
  14. 2026-08-05 19:16 UTCEPSS rescore
  15. 2026-08-04 15:09 UTCEPSS rescore
  16. 2026-08-04 10:37 UTCEPSS rescore
  17. 2026-08-03 10:35 UTCEPSS rescore
  18. 2026-08-02 22:53 UTCEG score recompute
  19. 2026-08-02 22:53 UTCVendor advisory
  20. 2026-08-02 22:53 UTCGHSA enrichment
  21. 2026-08-02 02:25 UTCEPSS rescore
  22. 2026-08-01 04:14 UTCEPSS rescore
  23. 2026-07-30 16:26 UTCEPSS rescore
  24. 2026-07-30 01:29 UTCEPSS rescore
  25. 2026-07-28 15:35 UTCEPSS rescore
  26. 2026-07-27 14:12 UTCEPSS rescore
  27. 2026-07-26 14:53 UTCEPSS rescore
  28. 2026-07-25 14:17 UTCEPSS rescore
  29. 2026-07-24 14:16 UTCEPSS rescore
  30. 2026-07-23 14:17 UTCEPSS rescore
  31. 2026-07-23 10:19 UTCOSV refresh
  32. 2026-07-23 02:49 UTCEG score recompute
  33. 2026-07-22 14:07 UTCEPSS rescore
  34. 2026-07-22 14:07 UTCEPSS rescore
  35. 2026-07-21 15:24 UTCEPSS rescore
  36. 2026-07-19 14:30 UTCEPSS rescore
  37. 2026-07-19 14:30 UTCEPSS rescore
  38. 2026-07-19 02:28 UTCEPSS rescore
  39. 2026-07-19 02:28 UTCEPSS rescore
  40. 2026-07-18 10:03 UTCEPSS rescore
  41. 2026-07-16 17:02 UTCEPSS rescore
  42. 2026-07-16 17:02 UTCEPSS rescore
  43. 2026-07-15 16:57 UTCEPSS rescore
  44. 2026-07-15 16:57 UTCEPSS rescore
  45. 2026-07-15 01:59 UTCEPSS rescore
  46. 2026-07-15 01:59 UTCEPSS rescore
  47. 2026-07-13 22:29 UTCEPSS rescore
  48. 2026-07-13 22:29 UTCEPSS rescore
  49. 2026-07-13 06:12 UTCEPSS rescore
  50. 2026-07-12 05:46 UTCEPSS rescore
  51. 2026-07-12 05:45 UTCEPSS rescore
  52. 2026-07-11 08:26 UTCEPSS rescore
  53. 2026-07-11 08:26 UTCEPSS rescore
  54. 2026-07-09 19:09 UTCEPSS rescore
  55. 2026-07-08 15:14 UTCEPSS rescore
  56. 2026-07-07 13:45 UTCEPSS rescore
  57. 2026-07-06 16:26 UTCEPSS rescore
  58. 2026-07-06 05:02 UTCOSV refresh
  59. 2026-07-06 02:22 UTCEPSS rescore
  60. 2026-07-06 02:22 UTCEPSS rescore
  61. 2026-07-05 02:30 UTCEPSS rescore
  62. 2026-07-01 15:06 UTCEPSS rescore
  63. 2026-06-30 23:21 UTCEPSS rescore
  64. 2026-06-29 14:06 UTCEPSS rescore
  65. 2026-06-28 14:07 UTCEPSS rescore
  66. 2026-06-28 14:07 UTCEPSS rescore
  67. 2026-06-28 04:55 UTCEPSS rescore
  68. 2026-06-27 03:08 UTCEPSS rescore
  69. 2026-06-27 03:08 UTCEPSS rescore
  70. 2026-06-25 13:49 UTCEPSS rescore
  71. 2026-06-25 13:49 UTCEPSS rescore
  72. 2026-06-24 14:04 UTCEPSS rescore
  73. 2026-06-24 14:04 UTCEPSS rescore
  74. 2026-06-23 21:32 UTCEPSS rescore
  75. 2026-06-22 14:25 UTCEPSS rescore

Frequently asked(5)

What is CVE-2025-15281?
CVE-2025-15281 is a high vulnerability published on January 20, 2026. Calling wordexp with WRDEREUSE in conjunction with WRDEAPPEND in the GNU C Library version 2.0 to version 2.42 may cause the interface to return uninitialized memory in the we_wordv member, which on subsequent calls to wordfree may abort the process.
When was CVE-2025-15281 disclosed?
CVE-2025-15281 was first published in the National Vulnerability Database on January 20, 2026, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-15281 actively exploited?
CVE-2025-15281 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 62.1% of all scored CVEs.
What is the CVSS score of CVE-2025-15281?
CVE-2025-15281 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2025-15281?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-15281, 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.

Dependency Blast Radius

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