CVE-2020-6793 — Use of Uninitialized Resource in Mozilla Thunderbird

CWE-908 — Use of Uninitialized ResourceCWE-125 — Out-of-bounds Read11 documents8 sources
Severity
6.5MEDIUMNVD
OSV8.8
EPSS
0.8%
top 25.87%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Mozilla ThunderbirdDebian ThunderbirdMozilla Firefox
Timeline
PublishedMar 2
Latest updateMay 24

Description

When processing an email message with an ill-formed envelope, Thunderbird could read data from a random memory location. This vulnerability affects Thunderbird < 68.5.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:NExploitability: 2.8 | Impact: 3.6

Affected Packages6 packages

▶debiandebian/thunderbird< thunderbird 1:68.5.0-1 (bookworm)
▶CVEListV5mozilla/thunderbirdunspecified — 68.5
▶NVDmozilla/thunderbird< 68.5.0
▶Debianmozilla/thunderbird< 1:68.5.0-1+3
▶Ubuntumozilla/thunderbird< 1:68.7.0+build1-0ubuntu0.16.04.2+1

🔴Vulnerability Details

4
GHSA
GHSA-2g5q-49cr-4f7j: When processing an email message with an ill-formed envelope, Thunderbird could read data from a random memory location↗2022-05-24
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OSV
thunderbird vulnerabilities↗2020-04-21
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OSV
thunderbird vulnerabilities↗2020-04-13
▶
OSV
CVE-2020-6793: When processing an email message with an ill-formed envelope, Thunderbird could read data from a random memory location↗2020-03-02
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📋Vendor Advisories

5
Ubuntu
Thunderbird vulnerabilities↗2020-04-21
▶
Ubuntu
Thunderbird vulnerabilities↗2020-04-13
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Red Hat
Mozilla: Out-of-bounds read when processing certain email messages↗2020-02-11
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Debian
CVE-2020-6793: thunderbird - When processing an email message with an ill-formed envelope, Thunderbird could ...↗2020
▶
Mozilla
Mozilla Foundation Security Advisory 2020-07: CVE-2020-6793↗
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💬Community

1
Bugzilla
CVE-2020-6793 Mozilla: Out-of-bounds read when processing certain email messages↗2020-02-11
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