A potentially exploitable crash in TransportSecurityInfo used for SSL can be triggered by data stored in the local cache in the user profile directory. This issue is only exploitable in combination with another vulnerability allowing an attacker to write data into the local cache or from locally installed malware. This issue also triggers a non-exploitable startup crash for users switching between the Nightly and Release versions of Firefox if the same profile is used. This vulnerability affects Thunderbird < 60.2.1, Firefox ESR < 60.2.1, and Firefox < 62.0.2.
CVE-2018-12385
Score 7.0 from GitHub Security Advisory (severity: HIGH) published 2022-05-14. NVD baseline CVSS 7.0; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
A fix is available — apply it.
- CVSS v3
- 7.0
- EG Score
- 7.0(medium)
- EG Risk
- 36(Track)EG Risk 36/100SSVC: 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 computedSeverity70% × 45%Exploitation0% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS
- 28.3%
- KEV
- Not listed
Published
October 18, 2018
Last Modified
November 21, 2024
References (36)
- security@mozillahttp://www.securityfocus.com/bid/105380
- security@mozillahttp://www.securitytracker.com/id/1041700
- security@mozillahttp://www.securitytracker.com/id/1041701
- security@mozillahttps://access.redhat.com/errata/RHSA-2018:2834
- security@mozillahttps://access.redhat.com/errata/RHSA-2018:2835
- security@mozillahttps://access.redhat.com/errata/RHSA-2018:3403
- security@mozillahttps://access.redhat.com/errata/RHSA-2018:3458
- security@mozillahttps://bugzilla.mozilla.org/show_bug.cgi?id=1490585
- security@mozillahttps://lists.debian.org/debian-lts-announce/2018/11/msg00011.html
- security@mozillahttps://security.gentoo.org/glsa/201810-01
- security@mozillahttps://security.gentoo.org/glsa/201811-13
- security@mozillahttps://usn.ubuntu.com/3778-1/
- security@mozillahttps://usn.ubuntu.com/3793-1/
- security@mozillahttps://www.debian.org/security/2018/dsa-4304
- security@mozillahttps://www.debian.org/security/2018/dsa-4327
Vendor Advisories for CVE-2018-12385(4)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
- RHSA-2018:3458Red Hat Product SecurityHigh
Red Hat Security Advisory: thunderbird security update
- RHSA-2018:3403Red Hat Product SecurityHigh
Red Hat Security Advisory: thunderbird security update
- RHSA-2018:2835Red Hat Product SecurityMedium
Red Hat Security Advisory: firefox security update
- RHSA-2018:2834Red Hat Product SecurityMedium
Red Hat Security Advisory: firefox security update
Patch Availability(6)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | firefox-testsuite (62.0.3+build1-0ubuntu0.16.04.2) @ xenial | 2026-05-28 | ubuntu |
| ubuntu | xul-ext-lightning (1:60.2.1+build1-0ubuntu0.16.04.4) @ xenial | 2026-05-28 | ubuntu |
| redhat | thunderbird-0:60.2.1-4.el7_5 | 2018-11-05 | redhat |
| redhat | thunderbird-0:60.2.1-5.el6 | 2018-10-30 | redhat |
| redhat | firefox-0:60.2.1-1.el7_5 | 2018-09-27 | redhat |
| redhat | firefox-0:60.2.1-1.el6 | 2018-09-27 | redhat |
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.
Additional Vendor Advisories
(2)
Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.
Data Freshness Timeline
(refreshed 12× in last 7d / 43× 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.
- 2026-07-23 01:33 UTCEG score recompute
- 2026-07-22 22:13 UTCEG score recompute
- 2026-07-22 14:04 UTCEPSS rescore
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- 2026-07-21 03:47 UTCOSV refresh
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- 2026-07-05 02:27 UTCEPSS rescore
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- 2026-05-29 13:41 UTCEPSS rescore
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- 2026-05-28 01:51 UTCEG score recompute
- 2026-05-28 01:51 UTCVendor advisory
- 2026-05-28 01:51 UTCGHSA enrichment
- 2026-05-27 13:38 UTCEPSS rescore
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- 2026-05-26 04:46 UTCOSV refresh
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Frequently asked(5)
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Dependency Blast Radius
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