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Vulnerability details: VCID-a8f9-ubk4-63dn
Vulnerability ID VCID-a8f9-ubk4-63dn
Aliases CVE-2023-0616
Summary If a MIME email combines OpenPGP and OpenPGP MIME data in a certain way Thunderbird repeatedly attempts to process and display the message, which could cause Thunderbird's user interface to lock up and no longer respond to the user's actions. An attacker could send a crafted message with this structure to attempt a DoS attack.
Status Published
Exploitability 0.5
Weighted Severity 5.9
Risk 3.0
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-449 The UI Performs the Wrong Action
CWE-400 Uncontrolled Resource Consumption
System Score Found at
cvssv3 4.3 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-0616.json
epss 0.00104 https://api.first.org/data/v1/epss?cve=CVE-2023-0616
epss 0.00104 https://api.first.org/data/v1/epss?cve=CVE-2023-0616
epss 0.00104 https://api.first.org/data/v1/epss?cve=CVE-2023-0616
epss 0.00104 https://api.first.org/data/v1/epss?cve=CVE-2023-0616
epss 0.00104 https://api.first.org/data/v1/epss?cve=CVE-2023-0616
epss 0.00104 https://api.first.org/data/v1/epss?cve=CVE-2023-0616
epss 0.00104 https://api.first.org/data/v1/epss?cve=CVE-2023-0616
epss 0.00104 https://api.first.org/data/v1/epss?cve=CVE-2023-0616
epss 0.00104 https://api.first.org/data/v1/epss?cve=CVE-2023-0616
epss 0.00104 https://api.first.org/data/v1/epss?cve=CVE-2023-0616
epss 0.00104 https://api.first.org/data/v1/epss?cve=CVE-2023-0616
epss 0.00104 https://api.first.org/data/v1/epss?cve=CVE-2023-0616
epss 0.00104 https://api.first.org/data/v1/epss?cve=CVE-2023-0616
epss 0.00104 https://api.first.org/data/v1/epss?cve=CVE-2023-0616
epss 0.00104 https://api.first.org/data/v1/epss?cve=CVE-2023-0616
epss 0.00104 https://api.first.org/data/v1/epss?cve=CVE-2023-0616
epss 0.00104 https://api.first.org/data/v1/epss?cve=CVE-2023-0616
epss 0.00104 https://api.first.org/data/v1/epss?cve=CVE-2023-0616
cvssv3.1 6.5 https://bugzilla.mozilla.org/show_bug.cgi?id=1806507
ssvc Track https://bugzilla.mozilla.org/show_bug.cgi?id=1806507
cvssv3.1 6.5 https://nvd.nist.gov/vuln/detail/CVE-2023-0616
generic_textual low https://www.mozilla.org/en-US/security/advisories/mfsa2023-07
cvssv3.1 6.5 https://www.mozilla.org/security/advisories/mfsa2023-07/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2023-07/
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-0616.json
https://api.first.org/data/v1/epss?cve=CVE-2023-0616
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-46871
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-46877
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-0430
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-0616
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-0767
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-23598
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-23601
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-23602
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-23603
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-23605
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-25728
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-25729
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-25730
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-25732
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-25735
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-25737
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-25739
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-25742
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-25744
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-25746
2171397 https://bugzilla.redhat.com/show_bug.cgi?id=2171397
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:*:*:*:*:*:*:*:*
CVE-2023-0616 https://nvd.nist.gov/vuln/detail/CVE-2023-0616
mfsa2023-07 https://www.mozilla.org/en-US/security/advisories/mfsa2023-07
mfsa2023-07 https://www.mozilla.org/security/advisories/mfsa2023-07/
RHSA-2023:0817 https://access.redhat.com/errata/RHSA-2023:0817
RHSA-2023:0818 https://access.redhat.com/errata/RHSA-2023:0818
RHSA-2023:0819 https://access.redhat.com/errata/RHSA-2023:0819
RHSA-2023:0820 https://access.redhat.com/errata/RHSA-2023:0820
RHSA-2023:0821 https://access.redhat.com/errata/RHSA-2023:0821
RHSA-2023:0822 https://access.redhat.com/errata/RHSA-2023:0822
RHSA-2023:0823 https://access.redhat.com/errata/RHSA-2023:0823
RHSA-2023:0824 https://access.redhat.com/errata/RHSA-2023:0824
show_bug.cgi?id=1806507 https://bugzilla.mozilla.org/show_bug.cgi?id=1806507
USN-5943-1 https://usn.ubuntu.com/5943-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-0616.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:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://bugzilla.mozilla.org/show_bug.cgi?id=1806507
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: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-01-10T18:18:39Z/ Found at https://bugzilla.mozilla.org/show_bug.cgi?id=1806507
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2023-0616
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:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://www.mozilla.org/security/advisories/mfsa2023-07/
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: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-01-10T18:18:39Z/ Found at https://www.mozilla.org/security/advisories/mfsa2023-07/
Exploit Prediction Scoring System (EPSS)
Percentile 0.29271
EPSS Score 0.00104
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:09:33.044624+00:00 Mozilla Importer Import https://github.com/mozilla/foundation-security-advisories/blob/master/announce/2023/mfsa2023-07.yml 37.0.0