CVE-2019-11706: mozilla thunderbird Type Confusion
CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2019-11706DEBIAN-CVE-2019-11706
Published 23-07-2019Last modified 04-08-2024
Vulnerability summary
CVE-2019-11706 is a high (CVSS 7.5) Type Confusion vulnerability in mozilla thunderbird. EPSS estimates a 9.73% chance of exploitation in the next 30 days, higher than 95.4% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
9.73%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1exploit-database
Advisory lineage
Upstream 0 · Downstream 13 · Related 7Timeline
- 23-07-2019PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
5 scores · 3 sources · 3 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
High 7.5Preferred score · OSV · Ubuntu (Ecosystem advisory) · calculated from vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesSingle source
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
9.73%
Chance of exploitation in the next 30 days
Percentile
95%
Versus all other CVEs
30-day change
0.00 pp
From 9.73% on 19-09-2026
19-09-202619-10-2026
EPSS score9.73%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundThunderbird ESR < 60.7.XXX - Type Confusion
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Debian1 product
- thunderbird< 1:60.7.1-1
Mozilla1 product
- thunderbird≥ unspecified, < 60.7.1 | < 60.7.1
Ubuntu1 product
- thunderbird< 1:60.7.1+build1-0ubuntu0.16.04.1 | < 1:60.7.1+build1-0ubuntu0.18.04.1
3 vendors · 3 products
References
9 links- bugzilla.mozilla.org/show_bug.cgi?id=1555646X Refsource MISCIssue TrackingPermissions RequiredVendor AdvisoryREPORT