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debiancveDebian Security Bug TrackerDEBIANCVE:CVE-2021-29977
HistoryAug 05, 2021 - 8:15 p.m.

CVE-2021-29977

2021-08-0520:15:08
Debian Security Bug Tracker
security-tracker.debian.org
13

6.8 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.003 Low

EPSS

Percentile

65.5%

JSON

Mozilla developers reported memory safety bugs present in Firefox 89. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 90.

OSVersionArchitecturePackageVersionFilename
Debian999allfirefox< 90.0-1firefox_90.0-1_all.deb

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6.8 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.003 Low

EPSS

Percentile

65.5%

JSON
Related for DEBIANCVE:CVE-2021-29977
prion1nvd1cvelist1cve1veracode1cnvd1ubuntucve1alpinelinux1openvas4ubuntu1osv1archlinux1nessus4mozilla1kaspersky1gentoo1