6.5

CVE-2019-11739: mozilla thunderbird

CVSS: 6.5v3.1MediumModified
AliasesUBUNTU-CVE-2019-11739DEBIAN-CVE-2019-11739
Published 27-09-2019Last modified 04-08-2024

Vulnerability summary

CVE-2019-11739 is a medium (CVSS 6.5) vulnerability in mozilla thunderbird. EPSS estimates a 0.90% chance of exploitation in the next 30 days, higher than 58.9% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.90%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 12 · Related 5

Timeline

  1. 27-09-2019
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

Encrypted S/MIME parts in a crafted multipart/alternative message can leak plaintext when included in a a HTML reply/forward. This vulnerability affects Thunderbird < 68.1 and Thunderbird < 60.9.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.90%

Chance of exploitation in the next 30 days

Percentile

59%

Versus all other CVEs

30-day change

0.00 pp

From 0.90% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.90%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • thunderbird< 1:60.9.0-1
Mozilla1 product
  • thunderbird≥ unspecified, < 68.1 | ≥ unspecified, < 60.9 | < 60.9.0 | ≥ 68.0, < 68.1.0
Ubuntu1 product
  • thunderbird< 1:60.9.0+build1-0ubuntu0.16.04.2 | < 1:60.9.0+build1-0ubuntu0.18.04.1

3 vendors · 3 products

References

11 links
Show all 11 references