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ubuntucveUbuntu.comUB:CVE-2020-26978
HistoryDec 15, 2020 - 12:00 a.m.

CVE-2020-26978

2020-12-1500:00:00
ubuntu.com
ubuntu.com
17
cve-2020-26978
slipstream vulnerability
firefox
thunderbird
firefox esr
network exposure
internal hosts
malicious webpage

CVSS2

5.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:P/A:N

CVSS3

6.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS

0.001

Percentile

42.3%

JSON

Using techniques that built on the slipstream research, a malicious webpage
could have exposed both an internal network’s hosts as well as services
running on the user’s local machine. This vulnerability affects Firefox <
84, Thunderbird < 78.6, and Firefox ESR < 78.6.

Notes

Author Note
tyhicks mozjs contains a copy of the SpiderMonkey JavaScript engine
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchfirefox< 84.0+build3-0ubuntu0.18.04.1UNKNOWN
ubuntu20.04noarchfirefox< 84.0+build3-0ubuntu0.20.04.1UNKNOWN
ubuntu20.10noarchfirefox< 84.0+build3-0ubuntu0.20.10.1UNKNOWN
ubuntu21.04noarchfirefox< 84.0+build3-0ubuntu2UNKNOWN
ubuntu21.10noarchfirefox< 84.0+build3-0ubuntu2UNKNOWN
ubuntu22.04noarchfirefox< 84.0+build3-0ubuntu2UNKNOWN
ubuntu22.10noarchfirefox< 84.0+build3-0ubuntu2UNKNOWN
ubuntu23.04noarchfirefox< 84.0+build3-0ubuntu2UNKNOWN
ubuntu23.10noarchfirefox< 84.0+build3-0ubuntu2UNKNOWN
ubuntu24.04noarchfirefox< 84.0+build3-0ubuntu2UNKNOWN
Rows per page:
1-10 of 211

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redhat 10
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archlinux 2
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Mageia: Security Advisory (MGASA-2020-0461)
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Mageia: Security Advisory (MGASA-2020-0462)
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debian
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[SECURITY] [DSA 4815-1] thunderbird security update
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Oracle Linux 7 : ELSA-2020-5561-1: / firefox (ELSA-2020-55611)
2020-12-17 00:00:00
CentOS 7 : thunderbird (CESA-2020:5618)
2020-12-22 00:00:00
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(RHSA-2020:5562) Important: firefox security update
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Security Bulletin: Multiple vulnerabilities of Mozilla Firefox (less than Firefox 78.9.0 ESR +  CVE-2020-26974) have affected Synthetic Playback Agent 8.1.4.0-8.1.4 IF13 + CP4MCM2.2
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thunderbird security update
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Updated thunderbird packages fix security vulnerabilities
2020-12-17 16:10:41
Updated firefox packages fix security vulnerabilities
2020-12-17 16:10:41
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Security fix for the ALT Linux 10 package firefox-esr version 78.6.0-alt1
2020-12-14 00:00:00
Security fix for the ALT Linux 10 package thunderbird version 78.6.0-alt1
2020-12-15 00:00:00
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Security Vulnerabilities fixed in Thunderbird 78.6 — Mozilla
2020-12-15 00:00:00
Security Vulnerabilities fixed in Firefox ESR 78.6 — Mozilla
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Security Vulnerabilities fixed in Firefox 84 — Mozilla
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[ASA-202012-23] thunderbird: multiple issues
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Important: thunderbird
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CVSS2

5.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:P/A:N

CVSS3

6.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS

0.001

Percentile

42.3%

JSON
Related for UB:CVE-2020-26978
redhatcve1cve1alpinelinux1debiancve1prion1cvelist1nvd1veracode1thn1openvas20debian5nessus50oraclelinux4redhat10osv7ibm2centos1mageia2altlinux2mozilla3gentoo1kaspersky3suse4archlinux2ubuntu2amazon1rosalinux2