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Vulnerability details: VCID-ubbx-zdmc-rqda
Vulnerability ID VCID-ubbx-zdmc-rqda
Aliases CVE-2020-6796
Summary A content process could have modified shared memory relating to crash reporting information, crash itself, and cause an out-of-bound write. This could have caused memory corruption and a potentially exploitable crash.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-787 Out-of-bounds Write
System Score Found at
cvssv3 8.8 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-6796.json
epss 0.00866 https://api.first.org/data/v1/epss?cve=CVE-2020-6796
epss 0.00866 https://api.first.org/data/v1/epss?cve=CVE-2020-6796
epss 0.00866 https://api.first.org/data/v1/epss?cve=CVE-2020-6796
epss 0.00866 https://api.first.org/data/v1/epss?cve=CVE-2020-6796
epss 0.00866 https://api.first.org/data/v1/epss?cve=CVE-2020-6796
epss 0.00866 https://api.first.org/data/v1/epss?cve=CVE-2020-6796
epss 0.00866 https://api.first.org/data/v1/epss?cve=CVE-2020-6796
epss 0.00866 https://api.first.org/data/v1/epss?cve=CVE-2020-6796
epss 0.00866 https://api.first.org/data/v1/epss?cve=CVE-2020-6796
epss 0.00866 https://api.first.org/data/v1/epss?cve=CVE-2020-6796
epss 0.00866 https://api.first.org/data/v1/epss?cve=CVE-2020-6796
epss 0.00866 https://api.first.org/data/v1/epss?cve=CVE-2020-6796
epss 0.00866 https://api.first.org/data/v1/epss?cve=CVE-2020-6796
epss 0.00866 https://api.first.org/data/v1/epss?cve=CVE-2020-6796
epss 0.00866 https://api.first.org/data/v1/epss?cve=CVE-2020-6796
cvssv3.1 7.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 6.8 https://nvd.nist.gov/vuln/detail/CVE-2020-6796
cvssv3.1 8.8 https://nvd.nist.gov/vuln/detail/CVE-2020-6796
archlinux Critical https://security.archlinux.org/AVG-1096
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2020-05
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2020-06
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-6796.json
https://api.first.org/data/v1/epss?cve=CVE-2020-6796
https://bugzilla.mozilla.org/show_bug.cgi?id=1610426
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6796
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6798
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6800
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://www.mozilla.org/security/advisories/mfsa2020-05/
https://www.mozilla.org/security/advisories/mfsa2020-06/
1801916 https://bugzilla.redhat.com/show_bug.cgi?id=1801916
ASA-202002-5 https://security.archlinux.org/ASA-202002-5
AVG-1096 https://security.archlinux.org/AVG-1096
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
CVE-2020-6796 https://nvd.nist.gov/vuln/detail/CVE-2020-6796
mfsa2020-05 https://www.mozilla.org/en-US/security/advisories/mfsa2020-05
mfsa2020-06 https://www.mozilla.org/en-US/security/advisories/mfsa2020-06
RHSA-2020:0512 https://access.redhat.com/errata/RHSA-2020:0512
RHSA-2020:0519 https://access.redhat.com/errata/RHSA-2020:0519
RHSA-2020:0520 https://access.redhat.com/errata/RHSA-2020:0520
RHSA-2020:0521 https://access.redhat.com/errata/RHSA-2020:0521
USN-4278-1 https://usn.ubuntu.com/4278-1/
USN-4278-2 https://usn.ubuntu.com/4278-2/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-6796.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2020-6796
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2020-6796
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.74193
EPSS Score 0.00866
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:09:39.570155+00:00 Mozilla Importer Import https://github.com/mozilla/foundation-security-advisories/blob/master/announce/2020/mfsa2020-06.yml 37.0.0