A flaw in Thunderbird's implementation of iCal causes a type confusion in icaltimezone_get_vtimezone_properties when processing certain email messages, resulting in a crash. This vulnerability affects Thunderbird < 60.7.1.
CVE-2019-11706
Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2022-05-24. NVD baseline CVSS 7.5; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
A fix is available — apply it.
- CVSS v3
- 7.5
- EG Score
- 7.5(medium)
- EG Risk
- 54(Track)EG Risk 54/100SSVC: 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 computedSeverity75% × 45%Exploitation40% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 10%
- EPSS %ILE
- 95%
- KEV
- Not listed
Published
July 23, 2019
Last Modified
November 21, 2024
References (6)
- security@mozillahttps://bugzilla.mozilla.org/show_bug.cgi?id=1555646
- security@mozillahttps://security.gentoo.org/glsa/201908-20
- security@mozillahttps://www.mozilla.org/security/advisories/mfsa2019-17/
- af854a3a-2127-422b-91ae-364da2661108https://bugzilla.mozilla.org/show_bug.cgi?id=1555646
- af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/201908-20
- af854a3a-2127-422b-91ae-364da2661108https://www.mozilla.org/security/advisories/mfsa2019-17/
Patch Availability(4)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | xul-ext-lightning (1:60.7.1+build1-0ubuntu0.16.04.1) @ xenial | 2026-05-23 | ubuntu |
| redhat | thunderbird-0:60.7.2-2.el8_0 | 2019-06-27 | redhat |
| redhat | thunderbird-0:60.7.2-2.el6_10 | 2019-06-27 | redhat |
| redhat | thunderbird-0:60.7.2-2.el7_6 | 2019-06-27 | 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.
Affected Packages
(6 across 6 ecosystems)
Debian:11(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| thunderbird | — | 1:60.7.1-1 | — |
Debian:12(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| thunderbird | — | 1:60.7.1-1 | — |
Debian:13(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| thunderbird | — | 1:60.7.1-1 | — |
Debian:14(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| thunderbird | — | 1:60.7.1-1 | — |
Debian:8(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| thunderbird | 1.5-4 ... 1:60.7.0-1~deb9u1 (77 versions) | 1:60.7.1-1~deb8u1 | — |
Debian:9(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| thunderbird | 1.5-4 ... 1:60.7.1-1~deb8u1 (78 versions) | 1:60.7.1-1~deb9u1 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
All Vendor Advisories
(4)
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 6× in last 7d / 24× 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 146 total refreshes for this CVE.
- 2026-09-18 19:22 UTCEPSS rescore
- 2026-09-17 19:22 UTCEPSS rescore
- 2026-09-16 14:04 UTCEPSS rescore
- 2026-09-15 03:05 UTCEPSS rescore
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- 2026-09-12 14:56 UTCEPSS rescore
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- 2026-09-02 14:07 UTCEPSS rescore
- 2026-09-01 03:32 UTCEPSS rescore
- 2026-08-31 19:34 UTCOSV refresh
- 2026-08-30 19:13 UTCEPSS rescore
- 2026-08-30 01:18 UTCEPSS rescore
- 2026-08-28 21:36 UTCEPSS rescore
- 2026-08-27 14:21 UTCEPSS rescore
- 2026-08-26 14:42 UTCEPSS rescore
- 2026-08-25 13:45 UTCEPSS rescore
- 2026-08-21 23:45 UTCEPSS rescore
- 2026-08-20 22:51 UTCEPSS rescore
- 2026-08-19 17:00 UTCEPSS rescore
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- 2026-08-18 13:44 UTCEPSS rescore
- 2026-08-17 13:43 UTCEPSS rescore
- 2026-08-16 14:52 UTCEPSS rescore
- 2026-08-16 02:10 UTCEPSS rescore
- 2026-08-15 01:26 UTCEPSS rescore
- 2026-08-14 22:54 UTCOSV refresh
- 2026-08-13 21:56 UTCEPSS rescore
- 2026-08-12 13:47 UTCEPSS rescore
- 2026-08-09 13:43 UTCEPSS rescore
- 2026-08-08 16:33 UTCEPSS rescore
- 2026-08-07 16:23 UTCEPSS rescore
- 2026-08-06 13:43 UTCEPSS rescore
- 2026-08-05 19:13 UTCEPSS rescore
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- 2026-08-02 02:23 UTCEPSS rescore
- 2026-08-01 04:12 UTCEPSS rescore
- 2026-07-30 16:24 UTCEPSS rescore
- 2026-07-30 11:14 UTCOSV refresh
- 2026-07-30 01:27 UTCEPSS rescore
- 2026-07-28 15:32 UTCEPSS rescore
- 2026-07-25 14:14 UTCEPSS rescore
- 2026-07-24 14:14 UTCEPSS rescore
- 2026-07-24 14:14 UTCEPSS rescore
- 2026-07-23 14:15 UTCEPSS rescore
- 2026-07-23 01:39 UTCEG score recompute
- 2026-07-22 22:19 UTCEG score recompute
- 2026-07-22 14:05 UTCEPSS rescore
- 2026-07-21 15:22 UTCEPSS rescore
- 2026-07-21 15:22 UTCEPSS rescore
- 2026-07-20 17:04 UTCEPSS rescore
- 2026-07-19 14:28 UTCEPSS rescore
- 2026-07-19 14:28 UTCEPSS rescore
- 2026-07-19 02:26 UTCEPSS rescore
- 2026-07-19 02:26 UTCEPSS rescore
- 2026-07-18 10:01 UTCEPSS rescore
- 2026-07-16 16:59 UTCEPSS rescore
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- 2026-07-15 16:55 UTCEPSS rescore
- 2026-07-13 22:27 UTCEPSS rescore
- 2026-07-13 06:10 UTCEPSS rescore
- 2026-07-13 06:10 UTCEPSS rescore
- 2026-07-12 20:07 UTCOSV refresh
- 2026-07-12 05:43 UTCEPSS rescore
- 2026-07-11 08:24 UTCEPSS rescore
- 2026-07-09 19:06 UTCEPSS rescore
- 2026-07-08 15:11 UTCEPSS rescore
- 2026-07-07 13:42 UTCEPSS rescore
- 2026-07-06 16:25 UTCEPSS rescore
- 2026-07-06 02:20 UTCEPSS rescore
- 2026-07-05 02:27 UTCEPSS rescore
- 2026-07-04 06:28 UTCEPSS rescore
- 2026-07-04 06:28 UTCEPSS rescore
- 2026-07-02 16:56 UTCEPSS rescore
- 2026-07-01 15:03 UTCEPSS rescore
- 2026-07-01 15:03 UTCEPSS rescore
- 2026-06-30 23:20 UTCEPSS rescore
- 2026-06-30 23:20 UTCEPSS rescore
- 2026-06-28 14:04 UTCEPSS rescore
- 2026-06-28 04:54 UTCEPSS rescore
- 2026-06-28 04:53 UTCEPSS rescore
- 2026-06-27 03:06 UTCEPSS rescore
- 2026-06-27 03:06 UTCEPSS rescore
- 2026-06-25 13:47 UTCEPSS rescore
- 2026-06-25 13:47 UTCEPSS rescore
- 2026-06-24 14:03 UTCEPSS rescore
- 2026-06-24 14:02 UTCEPSS rescore
- 2026-06-24 05:29 UTCOSV refresh
- 2026-06-23 21:30 UTCEPSS rescore
- 2026-06-23 21:30 UTCEPSS rescore
- 2026-06-22 14:23 UTCEPSS rescore
- 2026-06-22 14:23 UTCEPSS rescore
- 2026-06-21 14:54 UTCEPSS rescore
- 2026-06-21 14:54 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-47001First seen Jun 17, 2019
Thunderbird ESR < 60.7.XXX - Type Confusion
Open source ↗
Related CVEs(same vendor + same CWE)
Same vendor
10 shownredhat
- CVE-2001-0825EG 10.0HIGH
- CVE-2001-1009EG 10.0EPSS p93HIGH
- CVE-2001-0554EG 10.0EPSS p99HIGH
- CVE-2001-1162EG 10.0EPSS p96HIGH
- CVE-2001-0414EG 10.0EPSS p100HIGH
- CVE-2001-0191EG 10.0EPSS p92HIGH
- CVE-2001-0301EG 10.0EPSS p91HIGH
- CVE-2001-0197EG 10.0EPSS p96HIGH
- CVE-2001-0233EG 10.0EPSS p96HIGH
- CVE-2001-0010EG 10.0EPSS p98HIGH
Same CWE
10 shownCWE-843
- CVE-2010-2299EG 10.0HIGH
- CVE-2016-1000005EG 9.8CRITICAL
- CVE-2018-4920NVD 8.8EG 9.8EPSS p94CRITICAL
- CVE-2016-6992NVD 8.8EG 9.8EPSS p93CRITICAL
- CVE-2012-0507EG 9.8 KEVEPSS p100CRITICAL
- CVE-2012-0752EG 9.3EPSS p95HIGH
- CVE-2017-5070NVD 8.8EG 9.0 KEVEPSS p98CRITICAL
- CVE-2017-11292NVD 8.8EG 9.0 KEVEPSS p96CRITICAL
- CVE-2017-8291NVD 7.8EG 9.0 KEVEPSS p100CRITICAL
- CVE-2017-0037NVD 8.1EG 9.0 KEVEPSS p100CRITICAL
Frequently asked(5)
What is CVE-2019-11706?
When was CVE-2019-11706 disclosed?
Is CVE-2019-11706 actively exploited?
What is the CVSS score of CVE-2019-11706?
How do I remediate CVE-2019-11706?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2019-11706
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