USN-4936-1: thunderbird Ubuntu

CVSS: UnknownPublished
Published 06-05-2021Last modified 22-04-2026
Open JSON

Vulnerability summary

USN-4936-1 is a vulnerability in thunderbird Ubuntu with no CVSS score yet.

Overall risk
0/100
0100
Minimal · default modelHow is this calculated?
CVSS score
Not scored
010
No CVSS score recorded
EPSS score
Not scored
0%100%
No EPSS score yet
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 5 · Downstream 0 · Related 5
CVE-2021-23968CVE-2021-23969CVE-2021-23973CVE-2021-23978CVE-2021-29950

Timeline

  1. 06-05-2021
    PublishedVulnerability first disclosed.
  2. 22-04-2026
    Last modifiedVulnerability information updated.

Description

thunderbird vulnerabilities Multiple security issues were discovered in Thunderbird. If a user were tricked into opening a specially crafted website in a browsing context, an attacker could potentially exploit these to cause a denial of service, obtain sensitive information, or execute arbitrary code. (CVE-2021-23968, CVE-2021-23969, CVE-2021-23973, CVE-2021-23978) It was discovered that Thunderbird may keep key material in memory in some circumstances. A local attacker could potentially exploit this to obtain private keys. (CVE-2021-29950)

CVSS metrics

Risk metrics not yet published.

EPSS trend

No EPSS score has been published for this record yet.

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

No weakness data has been published for this record.

Affected systems

Ubuntu1 product
  • thunderbird< 1:78.8.1+build1-0ubuntu0.20.04.1

1 vendor · 1 product

References

6 links