MGASA-2021-0066: thunderbird Mageia

CVSS: UnknownPublished
Published 04-02-2021Last modified 16-04-2026
Open JSON

Vulnerability summary

MGASA-2021-0066 is a vulnerability in thunderbird Mageia 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 6 · Downstream 0
CVE-2020-15685CVE-2020-26976CVE-2021-23953CVE-2021-23954CVE-2021-23960CVE-2021-23964

Timeline

  1. 04-02-2021
    PublishedVulnerability first disclosed.
  2. 16-04-2026
    Last modifiedVulnerability information updated.

Description

Updated thunderbird packages fix security vulnerabilities Cross-origin information leakage via redirected PDF requests. (CVE-2021-23953) Type confusion when using logical assignment operators in JavaScript switch statements. (CVE-2021-23954) IMAP Response Injection when using STARTTLS. (CVE-2020-15685) HTTPS pages could have been intercepted by a registered service worker when they should not have been. (CVE-2020-26976) Use-after-poison for incorrectly redeclared JavaScript variables during GC. (CVE-2021-23960) Memory safety bugs fixed in Thunderbird 78.7. (CVE-2021-23964).

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

Mageia2 products
  • thunderbird< 78.7.0-1.mga7
  • thunderbird-l10n< 78.7.0-1.mga7

1 vendor · 2 products

References

4 links