CVE-2017-5404

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-05-14. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this weekWeaponized
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 17%CVSS: 9.8Exploit: NoneExposed: 0

A fix is available — apply it.

A use-after-free error can occur when manipulating ranges in selections with one node inside a native anonymous tree and one node outside of it. This results in a potentially exploitable crash. This vulnerability affects Firefox < 52, Firefox ESR < 45.8, Thunderbird < 52, and Thunderbird < 45.8.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
75(Track*)
EG Risk 75/100SSVC: 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
Severity98% × 45%
Exploitation65% × 40%
Automatability30% × 15%
Action: Watch closely — could escalate to Attend.
EPSS
96.8%
KEV
Not listed

Published

June 11, 2018

Last Modified

November 25, 2025

Advisory Details (10)

Auto-updated Jun 10, 2026
No patch confirmed yet.
generic

[SECURITY] [DSA 3832-1] icedove security update

https://www.debian.org/security/2017/dsa-3832
generic

[SECURITY] [DSA 3805-1] firefox-esr security update

https://www.debian.org/security/2017/dsa-3805
generic

Mozilla Thunderbird: Multiple vulnerabilities (GLSA 201705-07) — Gentoo security

https://security.gentoo.org/glsa/201705-07
generic

Mozilla Firefox: Multiple vulnerabilities (GLSA 201705-06) — Gentoo security

https://security.gentoo.org/glsa/201705-06
generic

1340138 - (CVE-2017-5404) table use-after-free

https://bugzilla.mozilla.org/show_bug.cgi?id=1340138
generic
http://www.securitytracker.com/id/1037966
generic
http://www.securityfocus.com/bid/96664
generic
http://rhn.redhat.com/errata/RHSA-2017-0498.html
generic
http://rhn.redhat.com/errata/RHSA-2017-0461.html
generic
http://rhn.redhat.com/errata/RHSA-2017-0459.html

Patch Availability(5)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntuthunderbird (1:45.8.0+build1-0ubuntu0.16.10.1) @ yakkety2026-05-28ubuntu
ubuntufirefox (52.0+build2-0ubuntu0.16.10.1) @ yakkety2026-05-28ubuntu
redhatthunderbird-0:45.8.0-1.el7_32017-03-14redhat
redhatfirefox-0:45.8.0-2.el6_82017-03-08redhat
redhatfirefox-0:52.0-4.el7_32017-03-08redhat

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

(5)

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 15× in last 7d / 41× 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.

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

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-41660✓ verified
    First seen Mar 20, 2017

    Mozilla Firefox - 'table' Use-After-Free

    Open source ↗

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2017-5404?
CVE-2017-5404 is a critical vulnerability published on June 11, 2018. A use-after-free error can occur when manipulating ranges in selections with one node inside a native anonymous tree and one node outside of it. This results in a potentially exploitable crash. This vulnerability affects Firefox < 52, Firefox ESR < 45.8, Thunderbird < 52, and Thunderbird < 45.8.
When was CVE-2017-5404 disclosed?
CVE-2017-5404 was first published in the National Vulnerability Database on June 11, 2018, with the most recent update on November 25, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2017-5404 actively exploited?
CVE-2017-5404 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 96.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2017-5404?
CVE-2017-5404 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2017-5404?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-5404, 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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