CVE-2026-19694

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 weekElevated
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: Elevated riskExposed services: Not assessed

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

TTX Logger file parser crash in 4.6.0 to 4.6.7 allows denial of service

CVSS v3
5.5
EG Score
5.5MEDIUMmedium confidence
EG Risk
41
EG Risk 41/100CISA 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%
Exploitation40% × 40%
Automatability0% × 15%
CISA SSVC: Track at low or medium mission impact; Track* at high (mission-essential systems).
Action: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.
EPSS PROB
0.1%
EPSS %ILE
2nd
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Track* at high (mission-essential systems).

No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.

Exploitation public PoC (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 13, 2026

Last Modified

September 1, 2026

Advisory Details (2)

Auto-updated Aug 13, 2026
No patch confirmed yet.
generic

TTL (TTX Logger) capture reader: out-of-bounds heap write via missing minimum-size check on reassembled segment (#21389) · Issues · Wireshark Foundation / Wireshark · GitLab

https://gitlab.com/wireshark/wireshark/-/work_items/21389
generic

Wireshark • Go Deep | Wireshark • wnpa-sec-2026-68 TTX Logger file parser crash

https://www.wireshark.org/security/wnpa-sec-2026-68.html

Vendor Advisories for CVE-2026-19694(1)

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

Affected Packages

(1 across 1 ecosystem)
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 14× in last 7d / 67× 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 132 total refreshes for this CVE.

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

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Frequently asked(5)

What is CVE-2026-19694?
CVE-2026-19694 is a medium vulnerability published on August 13, 2026. TTX Logger file parser crash in 4.6.0 to 4.6.7 allows denial of service
When was CVE-2026-19694 disclosed?
CVE-2026-19694 was first published on August 13, 2026, with the most recent update on September 1, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-19694 actively exploited?
CVE-2026-19694 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-2026-19694?
CVE-2026-19694 has a CVSS v3 base score of 5.5 (NVD).
How do I remediate CVE-2026-19694?
No fix for CVE-2026-19694 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix. The vendor advisories EchelonGraph has for CVE-2026-19694 are linked in the Vendor Advisories panel on this page.

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