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Vulnerability details: VCID-u8sk-mm4g-ffem
Vulnerability ID VCID-u8sk-mm4g-ffem
Aliases CVE-2017-7823
Summary Multiple vulnerabilities have been found in Mozilla Thunderbird, the worst of which could lead to the execution of arbitrary code.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
System Score Found at
cvssv3 6.1 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-7823.json
epss 0.01416 https://api.first.org/data/v1/epss?cve=CVE-2017-7823
epss 0.01416 https://api.first.org/data/v1/epss?cve=CVE-2017-7823
epss 0.01416 https://api.first.org/data/v1/epss?cve=CVE-2017-7823
epss 0.01416 https://api.first.org/data/v1/epss?cve=CVE-2017-7823
epss 0.01416 https://api.first.org/data/v1/epss?cve=CVE-2017-7823
epss 0.01416 https://api.first.org/data/v1/epss?cve=CVE-2017-7823
epss 0.01416 https://api.first.org/data/v1/epss?cve=CVE-2017-7823
epss 0.01416 https://api.first.org/data/v1/epss?cve=CVE-2017-7823
epss 0.01416 https://api.first.org/data/v1/epss?cve=CVE-2017-7823
epss 0.01416 https://api.first.org/data/v1/epss?cve=CVE-2017-7823
epss 0.01416 https://api.first.org/data/v1/epss?cve=CVE-2017-7823
epss 0.01416 https://api.first.org/data/v1/epss?cve=CVE-2017-7823
epss 0.01416 https://api.first.org/data/v1/epss?cve=CVE-2017-7823
epss 0.01416 https://api.first.org/data/v1/epss?cve=CVE-2017-7823
epss 0.01416 https://api.first.org/data/v1/epss?cve=CVE-2017-7823
cvssv2 6.4 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3 5.4 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2017-7823
cvssv3 5.4 https://nvd.nist.gov/vuln/detail/CVE-2017-7823
archlinux Critical https://security.archlinux.org/AVG-441
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2017-21
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2017-22
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2017-23
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-7823.json
https://api.first.org/data/v1/epss?cve=CVE-2017-7823
https://bugzilla.mozilla.org/show_bug.cgi?id=1396320
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7793
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7805
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7810
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7814
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7818
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7819
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7823
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7824
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://lists.debian.org/debian-lts-announce/2017/11/msg00000.html
https://www.debian.org/security/2017/dsa-3987
https://www.debian.org/security/2017/dsa-4014
https://www.mozilla.org/security/advisories/mfsa2017-21/
https://www.mozilla.org/security/advisories/mfsa2017-22/
https://www.mozilla.org/security/advisories/mfsa2017-23/
http://www.securityfocus.com/bid/101059
http://www.securitytracker.com/id/1039465
1496655 https://bugzilla.redhat.com/show_bug.cgi?id=1496655
ASA-201710-19 https://security.archlinux.org/ASA-201710-19
AVG-441 https://security.archlinux.org/AVG-441
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:thunderbird:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
CVE-2017-7823 https://nvd.nist.gov/vuln/detail/CVE-2017-7823
GLSA-201802-03 https://security.gentoo.org/glsa/201802-03
GLSA-201803-14 https://security.gentoo.org/glsa/201803-14
mfsa2017-21 https://www.mozilla.org/en-US/security/advisories/mfsa2017-21
mfsa2017-22 https://www.mozilla.org/en-US/security/advisories/mfsa2017-22
mfsa2017-23 https://www.mozilla.org/en-US/security/advisories/mfsa2017-23
RHSA-2017:2831 https://access.redhat.com/errata/RHSA-2017:2831
RHSA-2017:2885 https://access.redhat.com/errata/RHSA-2017:2885
USN-3435-1 https://usn.ubuntu.com/3435-1/
USN-3436-1 https://usn.ubuntu.com/3436-1/
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-7823.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: AV:N/AC:L/Au:N/C:P/I:P/A:N Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
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:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N 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:N/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2017-7823
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:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2017-7823
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 0.80503
EPSS Score 0.01416
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T13:04:42.819819+00:00 Gentoo Importer Import https://security.gentoo.org/glsa/201803-14 38.0.0