CVE-2026-48829

HIGHPre-NVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-05-26. a secondary CVSS source baseline 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
7.5
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.5Exploit: NoneExposed: 0

A fix is available — apply it.

In GNU SASL before 2.2.3, DIGEST-MD5 has a NULL pointer dereference affecting both clients and servers, via a known token with no accompanying = character. This occurs in lib/digest-md5/getsubopt.c.

CVSS v3
7.5
EG Score
7.5(medium)
EPSS
36.7%
KEV
Not listed

Published

May 24, 2026

Last Modified

June 5, 2026

Advisory Details (4)

Auto-updated Jun 4, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

[SECURITY ADVISORY] GNU SASL Security Advisory: NULL pointer dereference

https://lists.gnu.org/archive/html/help-gsasl/2026-05/msg00002.html
generic

DIGEST-MD5 解析器 NULL 指针解引用漏洞报告

https://lists.gnu.org/archive/html/help-gsasl/2026-05/msg00000.html
generic

[SECURITY] [DSA 6271-1] gsasl security update

https://lists.debian.org/debian-security-announce/2026/msg00182.html
generic

Cookie monster!

https://codeberg.org/gsasl/gsasl/commit/da9b5ae2962b014879e4a406c3b38f25aa70e97a

Vendor Advisories for CVE-2026-48829(1)

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

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulibgsasl18 (2.2.2-4ubuntu1.1) @ resolute2026-06-29ubuntu

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.

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 7× in last 7d / 51× 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 155 total refreshes for this CVE.

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

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-48829?
CVE-2026-48829 is a high vulnerability published on May 24, 2026. In GNU SASL before 2.2.3, DIGEST-MD5 has a NULL pointer dereference affecting both clients and servers, via a known token with no accompanying = character. This occurs in lib/digest-md5/getsubopt.c.
When was CVE-2026-48829 disclosed?
CVE-2026-48829 was first published in the National Vulnerability Database on May 24, 2026, with the most recent update on June 5, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-48829 actively exploited?
CVE-2026-48829 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 36.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-48829?
CVE-2026-48829 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2026-48829?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-48829, 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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