CVE-2026-76920

MEDIUMNVD 5.55.5—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 5.5 under NVD CVSS v3. EPSS exploit probability: 0.1% (2nd percentile of EPSS-scored CVEs). GitHub Security Advisory enrichment pending alignment with NVD CVSS.

Triggered by: NVD CVSS baseline
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
5.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.1%CVSS: 5.5Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

3gpp phone log file parser crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service

CVSS v3
5.5
EG Score
5.5MEDIUMmedium confidence
EG Risk
25
EG Risk 25/100CISA SSVC

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
Severity55% × 45%
Exploitation0% × 40%
Automatability0% × 15%
CISA SSVC: Track at every mission impact level.
Action: A fix is available. Apply it within your standard update timelines.
EPSS PROB
0.1%
EPSS %ILE
2nd
KEV
Not listed

CISA SSVCTrack at every mission impact level.

A fix is available. Apply it within your standard update timelines.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

August 19, 2026

Last Modified

August 31, 2026

Advisory Details (2)

Auto-updated Aug 19, 2026
Patch available.
generic

3GPP log decoder can write one byte past packet buffer (#21454) · Issues · Wireshark Foundation / Wireshark · GitLab

https://gitlab.com/wireshark/wireshark/-/work_items/21454
generic

Wireshark • Go Deep | Wireshark • wnpa-sec-2026-81 3gpp phone log file parser crash

https://www.wireshark.org/security/wnpa-sec-2026-81.html

Vendor Advisories for CVE-2026-76920(1)

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

Affected Packages

(3 across 3 ecosystems)
Debian:12(1)
PackageVulnerable rangeFix by version rangeDependents
wireshark4.0.10-1 ... 4.6.6-2 (50 versions)
  • every version on: no fix on record
—
Debian:13(1)
PackageVulnerable rangeFix by version rangeDependents
wireshark4.4.13-0+deb13u1 ... 4.4.9-1 (7 versions)
  • every version up to 4.4.18-0+deb13u1: fixed in 4.4.18-0+deb13u1
—
Debian:14(1)
PackageVulnerable rangeFix by version rangeDependents
wireshark4.4.7-1 ... 4.6.6-2 (16 versions)
  • every version on: no fix on record
—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 13× in last 7d / 66× 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 110 total refreshes for this CVE.

  1. 2026-10-04 23:22 UTCEPSS rescore
  2. 2026-10-04 16:43 UTCGHSA enrichment
  3. 2026-10-03 16:50 UTCEG score recompute
  4. 2026-10-03 16:50 UTCGHSA enrichment
  5. 2026-10-03 14:26 UTCEPSS rescore
  6. 2026-10-02 08:19 UTCEG score recompute
  7. 2026-10-02 08:19 UTCGHSA enrichment
  8. 2026-10-01 19:50 UTCEPSS rescore
  9. 2026-10-01 08:26 UTCEG score recompute
  10. 2026-10-01 08:25 UTCGHSA enrichment
  11. 2026-09-30 08:28 UTCGHSA enrichment
  12. 2026-09-29 04:04 UTCEG score recompute
  13. 2026-09-29 04:04 UTCGHSA enrichment
  14. 2026-09-28 13:52 UTCEPSS rescore
  15. 2026-09-28 04:07 UTCEG score recompute
  16. 2026-09-28 04:07 UTCGHSA enrichment
  17. 2026-09-27 13:48 UTCEPSS rescore
  18. 2026-09-27 04:14 UTCEG score recompute
  19. 2026-09-27 04:14 UTCGHSA enrichment
  20. 2026-09-26 15:59 UTCEPSS rescore
  21. 2026-09-26 00:28 UTCEPSS rescore
  22. 2026-09-25 00:46 UTCEG score recompute
  23. 2026-09-25 00:46 UTCGHSA enrichment
  24. 2026-09-24 14:04 UTCEPSS rescore
  25. 2026-09-24 00:33 UTCEG score recompute
Show 75 more
  1. 2026-09-24 00:33 UTCGHSA enrichment
  2. 2026-09-23 17:54 UTCEPSS rescore
  3. 2026-09-23 00:40 UTCGHSA enrichment
  4. 2026-09-22 00:47 UTCEG score recompute
  5. 2026-09-22 00:46 UTCGHSA enrichment
  6. 2026-09-21 21:09 UTCEPSS rescore
  7. 2026-09-21 00:53 UTCGHSA enrichment
  8. 2026-09-20 00:59 UTCEG score recompute
  9. 2026-09-20 00:59 UTCGHSA enrichment
  10. 2026-09-19 01:04 UTCEG score recompute
  11. 2026-09-19 01:04 UTCGHSA enrichment
  12. 2026-09-18 19:28 UTCEPSS rescore
  13. 2026-09-18 01:11 UTCEG score recompute
  14. 2026-09-18 01:11 UTCGHSA enrichment
  15. 2026-09-17 01:18 UTCEG score recompute
  16. 2026-09-17 01:18 UTCGHSA enrichment
  17. 2026-09-16 14:08 UTCEPSS rescore
  18. 2026-09-16 05:15 UTCEPSS rescore
  19. 2026-09-16 01:24 UTCEG score recompute
  20. 2026-09-16 01:24 UTCGHSA enrichment
  21. 2026-09-15 03:12 UTCEPSS rescore
  22. 2026-09-15 01:30 UTCGHSA enrichment
  23. 2026-09-14 01:37 UTCGHSA enrichment
  24. 2026-09-13 01:43 UTCGHSA enrichment
  25. 2026-09-12 01:49 UTCEG score recompute
  26. 2026-09-12 01:49 UTCGHSA enrichment
  27. 2026-09-11 14:53 UTCEPSS rescore
  28. 2026-09-11 01:56 UTCEG score recompute
  29. 2026-09-11 01:56 UTCGHSA enrichment
  30. 2026-09-10 09:35 UTCEPSS rescore
  31. 2026-09-10 02:01 UTCGHSA enrichment
  32. 2026-09-09 02:08 UTCEG score recompute
  33. 2026-09-09 02:08 UTCGHSA enrichment
  34. 2026-09-08 22:01 UTCEPSS rescore
  35. 2026-09-07 20:52 UTCEG score recompute
  36. 2026-09-07 20:52 UTCGHSA enrichment
  37. 2026-09-06 20:59 UTCEG score recompute
  38. 2026-09-06 20:59 UTCGHSA enrichment
  39. 2026-09-06 13:48 UTCEPSS rescore
  40. 2026-09-05 21:06 UTCEG score recompute
  41. 2026-09-05 21:05 UTCGHSA enrichment
  42. 2026-09-04 21:12 UTCGHSA enrichment
  43. 2026-09-03 21:07 UTCGHSA enrichment
  44. 2026-09-02 21:13 UTCEG score recompute
  45. 2026-09-02 21:13 UTCGHSA enrichment
  46. 2026-09-02 14:12 UTCEPSS rescore
  47. 2026-09-01 19:55 UTCEG score recompute
  48. 2026-09-01 19:55 UTCGHSA enrichment
  49. 2026-09-01 13:54 UTCEPSS rescore
  50. 2026-08-31 19:33 UTCEG score recompute▲ 0.80
  51. 2026-08-31 19:33 UTCGHSA enrichment
  52. 2026-08-31 19:20 UTCNVD updateCVSS v3 → 5.5
  53. 2026-08-30 19:18 UTCEPSS rescore
  54. 2026-08-30 19:17 UTCEPSS rescore
  55. 2026-08-30 15:43 UTCGHSA enrichment
  56. 2026-08-29 15:49 UTCEG score recompute
  57. 2026-08-29 15:49 UTCGHSA enrichment
  58. 2026-08-28 21:42 UTCEPSS rescore
  59. 2026-08-28 15:54 UTCGHSA enrichment
  60. 2026-08-27 16:09 UTCEG score recompute
  61. 2026-08-27 16:09 UTCGHSA enrichment
  62. 2026-08-27 14:25 UTCEPSS rescore
  63. 2026-08-26 16:14 UTCEG score recompute
  64. 2026-08-26 16:14 UTCGHSA enrichment
  65. 2026-08-26 14:47 UTCEPSS rescore
  66. 2026-08-25 16:04 UTCEG score recompute
  67. 2026-08-25 16:04 UTCGHSA enrichment
  68. 2026-08-25 13:49 UTCEPSS rescore
  69. 2026-08-24 16:11 UTCEG score recompute
  70. 2026-08-24 16:10 UTCGHSA enrichment
  71. 2026-08-24 14:18 UTCEPSS rescore
  72. 2026-08-23 16:15 UTCGHSA enrichment
  73. 2026-08-22 16:22 UTCEG score recompute
  74. 2026-08-22 16:22 UTCGHSA enrichment
  75. 2026-08-21 23:49 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-76920?
CVE-2026-76920 is a medium vulnerability published on August 19, 2026. 3gpp phone log file parser crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service
When was CVE-2026-76920 disclosed?
CVE-2026-76920 was first published on August 19, 2026, with the most recent update on August 31, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-76920 actively exploited?
CVE-2026-76920 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.1% probability of exploitation in the next 30 days (2nd percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-76920?
CVE-2026-76920 has a CVSS v3 base score of 5.5 (NVD).
How do I remediate CVE-2026-76920?
A fix for CVE-2026-76920 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-76920 are linked in the Vendor Advisories panel on this page.

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