CVE-2025-26519

HIGHNVD 8.18.1—
EchelonGraph scoreMEDIUM confidence

Score 8.1 from GitHub Security Advisory (severity: HIGH) published 2025-02-14. NVD baseline CVSS 8.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
8.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.1Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

musl libc 0.9.13 through 1.2.5 before 1.2.6 has an out-of-bounds write vulnerability when an attacker can trigger iconv conversion of untrusted EUC-KR text to UTF-8.

CVSS v3
8.1
EG Score
8.1(medium)
EG Risk
37(Track)
EG Risk 37/100SSVC: 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
Severity81% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
29%
KEV
Not listed

Published

February 14, 2025

Last Modified

December 10, 2025

Advisory Details (7)

Auto-updated Sep 17, 2026
No patch confirmed yet.
generic

oss-security - Re: [musl] CVE-2025-26519: musl libc: input-controlled out-of-bounds write primitive in iconv()

http://www.openwall.com/lists/oss-security/2025/02/14/6
generic

oss-security - Re: [musl] CVE-2025-26519: musl libc: input-controlled out-of-bounds write primitive in iconv()

http://www.openwall.com/lists/oss-security/2025/02/14/5
generic

oss-security - Re: [musl] CVE-2025-26519: musl libc: input-controlled out-of-bounds write primitive in iconv()

http://www.openwall.com/lists/oss-security/2025/02/13/5
generic

oss-security - Re: [musl] CVE-2025-26519: musl libc: input-controlled out-of-bounds write primitive in iconv()

http://www.openwall.com/lists/oss-security/2025/02/13/4
generic

oss-security - Re: [musl] CVE-2025-26519: musl libc: input-controlled out-of-bounds write primitive in iconv()

http://www.openwall.com/lists/oss-security/2025/02/13/3
generic

oss-security - CVE-2025-26519: musl libc: input-controlled out-of-bounds write primitive in iconv()

http://www.openwall.com/lists/oss-security/2025/02/13/2
generic

oss-security - CVE-2025-26519: musl libc: input-controlled out-of-bounds write primitive in iconv()

https://www.openwall.com/lists/oss-security/2025/02/13/2

Affected Packages

(13 across 13 ecosystems)
Alpine:v3.16(1)
PackageVulnerable rangeFixed inDependents
musl—1.2.3-r4—
Alpine:v3.17(1)
PackageVulnerable rangeFixed inDependents
musl—1.2.3-r6—
Alpine:v3.18(1)
PackageVulnerable rangeFixed inDependents
musl—1.2.4-r3—
Alpine:v3.19(1)
PackageVulnerable rangeFixed inDependents
musl—1.2.4_git20230717-r5—
Alpine:v3.20(1)
PackageVulnerable rangeFixed inDependents
musl—1.2.5-r1—
Alpine:v3.21(1)
PackageVulnerable rangeFixed inDependents
musl—1.2.5-r9—
Alpine:v3.22(1)
PackageVulnerable rangeFixed inDependents
musl—1.2.5-r10—
Alpine:v3.23(1)
PackageVulnerable rangeFixed inDependents
musl—1.2.5-r10—
Alpine:v3.24(1)
PackageVulnerable rangeFixed inDependents
musl—1.2.5-r10—
Debian:11(1)
PackageVulnerable rangeFixed inDependents
musl1.2.2-1 ... 1.2.6-1 (14 versions)——
Debian:12(1)
PackageVulnerable rangeFixed inDependents
musl1.2.3-1 ... 1.2.6-1 (10 versions)——
Debian:13(1)
PackageVulnerable rangeFixed inDependents
musl—1.2.5-2—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
musl—1.2.5-2—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 5× in last 7d / 27× 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 149 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2025-26519?
CVE-2025-26519 is a high vulnerability published on February 14, 2025. musl libc 0.9.13 through 1.2.5 before 1.2.6 has an out-of-bounds write vulnerability when an attacker can trigger iconv conversion of untrusted EUC-KR text to UTF-8.
When was CVE-2025-26519 disclosed?
CVE-2025-26519 was first published in the National Vulnerability Database on February 14, 2025, with the most recent update on December 10, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-26519 actively exploited?
CVE-2025-26519 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 71.4% of all scored CVEs.
What is the CVSS score of CVE-2025-26519?
CVE-2025-26519 has a CVSS v3 base score of 8.1 (NVD).
How do I remediate CVE-2025-26519?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-26519, 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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