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Vulnerability details: VCID-d4tw-c3a6-pfea
Vulnerability ID VCID-d4tw-c3a6-pfea
Aliases CVE-2025-1016
Summary firefox: thunderbird: Memory safety bugs fixed in Firefox 135, Thunderbird 135, Firefox ESR 115.20, Firefox ESR 128.7, Thunderbird 115.20, and Thunderbird 128.7
Status Published
Exploitability 0.5
Weighted Severity 8.8
Risk 4.4
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CWE-787 Out-of-bounds Write
System Score Found at
cvssv3 8.8 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-1016.json
epss 0.00182 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.00182 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.00182 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.00182 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.00182 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.00182 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.00182 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.00182 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.00182 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.00182 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.00182 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.00187 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.00187 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.00187 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.00187 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.00187 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.00187 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.00187 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.00187 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.00187 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.00187 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.00187 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.00187 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.00187 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.00187 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.00187 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.00187 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.00187 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.00187 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.00187 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.00187 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.00187 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.00187 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.00187 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.00187 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.00187 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.00187 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.00187 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.00187 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.00187 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.00187 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.00187 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.00187 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.00187 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.00187 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.00187 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.00187 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.00187 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.00187 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.00187 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.00187 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.00187 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.0019 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.0019 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.00258 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.00258 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.00258 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.00258 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.00258 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.00258 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.00258 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.00258 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
epss 0.00319 https://api.first.org/data/v1/epss?cve=CVE-2025-1016
cvssv3.1 9.8 https://bugzilla.mozilla.org/buglist.cgi?bug_id=1936601%2C1936844%2C1937694%2C1938469%2C1939583%2C1940994
ssvc Track https://bugzilla.mozilla.org/buglist.cgi?bug_id=1936601%2C1936844%2C1937694%2C1938469%2C1939583%2C1940994
cvssv3.1 8.8 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 9.8 https://nvd.nist.gov/vuln/detail/CVE-2025-1016
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2025-07
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2025-08
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2025-09
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2025-10
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2025-11
cvssv3.1 9.8 https://www.mozilla.org/security/advisories/mfsa2025-07/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2025-07/
cvssv3.1 9.8 https://www.mozilla.org/security/advisories/mfsa2025-08/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2025-08/
cvssv3.1 9.8 https://www.mozilla.org/security/advisories/mfsa2025-09/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2025-09/
cvssv3.1 9.8 https://www.mozilla.org/security/advisories/mfsa2025-10/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2025-10/
cvssv3.1 9.8 https://www.mozilla.org/security/advisories/mfsa2025-11/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2025-11/
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-1016.json
https://api.first.org/data/v1/epss?cve=CVE-2025-1016
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-1016
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
2343752 https://bugzilla.redhat.com/show_bug.cgi?id=2343752
buglist.cgi?bug_id=1936601%2C1936844%2C1937694%2C1938469%2C1939583%2C1940994 https://bugzilla.mozilla.org/buglist.cgi?bug_id=1936601%2C1936844%2C1937694%2C1938469%2C1939583%2C1940994
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:*:*:*
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:a:mozilla:thunderbird:*:*:*:*:esr:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:thunderbird:*:*:*:*:esr:*:*:*
CVE-2025-1016 https://nvd.nist.gov/vuln/detail/CVE-2025-1016
mfsa2025-07 https://www.mozilla.org/en-US/security/advisories/mfsa2025-07
mfsa2025-07 https://www.mozilla.org/security/advisories/mfsa2025-07/
mfsa2025-08 https://www.mozilla.org/en-US/security/advisories/mfsa2025-08
mfsa2025-08 https://www.mozilla.org/security/advisories/mfsa2025-08/
mfsa2025-09 https://www.mozilla.org/en-US/security/advisories/mfsa2025-09
mfsa2025-09 https://www.mozilla.org/security/advisories/mfsa2025-09/
mfsa2025-10 https://www.mozilla.org/en-US/security/advisories/mfsa2025-10
mfsa2025-10 https://www.mozilla.org/security/advisories/mfsa2025-10/
mfsa2025-11 https://www.mozilla.org/en-US/security/advisories/mfsa2025-11
mfsa2025-11 https://www.mozilla.org/security/advisories/mfsa2025-11/
RHSA-2025:1066 https://access.redhat.com/errata/RHSA-2025:1066
RHSA-2025:1132 https://access.redhat.com/errata/RHSA-2025:1132
RHSA-2025:1133 https://access.redhat.com/errata/RHSA-2025:1133
RHSA-2025:1135 https://access.redhat.com/errata/RHSA-2025:1135
RHSA-2025:1136 https://access.redhat.com/errata/RHSA-2025:1136
RHSA-2025:1137 https://access.redhat.com/errata/RHSA-2025:1137
RHSA-2025:1138 https://access.redhat.com/errata/RHSA-2025:1138
RHSA-2025:1139 https://access.redhat.com/errata/RHSA-2025:1139
RHSA-2025:1140 https://access.redhat.com/errata/RHSA-2025:1140
RHSA-2025:1184 https://access.redhat.com/errata/RHSA-2025:1184
RHSA-2025:1283 https://access.redhat.com/errata/RHSA-2025:1283
RHSA-2025:1292 https://access.redhat.com/errata/RHSA-2025:1292
RHSA-2025:1317 https://access.redhat.com/errata/RHSA-2025:1317
RHSA-2025:1318 https://access.redhat.com/errata/RHSA-2025:1318
RHSA-2025:1319 https://access.redhat.com/errata/RHSA-2025:1319
RHSA-2025:1339 https://access.redhat.com/errata/RHSA-2025:1339
RHSA-2025:1340 https://access.redhat.com/errata/RHSA-2025:1340
RHSA-2025:1341 https://access.redhat.com/errata/RHSA-2025:1341
RHSA-2025:1348 https://access.redhat.com/errata/RHSA-2025:1348
USN-7263-1 https://usn.ubuntu.com/7263-1/
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-2025-1016.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:N/S:U/C:H/I:H/A:H Found at https://bugzilla.mozilla.org/buglist.cgi?bug_id=1936601%2C1936844%2C1937694%2C1938469%2C1939583%2C1940994
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/2025-02-06T21:03:18Z/ Found at https://bugzilla.mozilla.org/buglist.cgi?bug_id=1936601%2C1936844%2C1937694%2C1938469%2C1939583%2C1940994
Vector: CVSS:3.1/AV:N/AC:L/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: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2025-1016
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:N/S:U/C:H/I:H/A:H Found at https://www.mozilla.org/security/advisories/mfsa2025-07/
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/2025-02-06T21:03:18Z/ Found at https://www.mozilla.org/security/advisories/mfsa2025-07/
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://www.mozilla.org/security/advisories/mfsa2025-08/
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/2025-02-06T21:03:18Z/ Found at https://www.mozilla.org/security/advisories/mfsa2025-08/
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://www.mozilla.org/security/advisories/mfsa2025-09/
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/2025-02-06T21:03:18Z/ Found at https://www.mozilla.org/security/advisories/mfsa2025-09/
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://www.mozilla.org/security/advisories/mfsa2025-10/
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/2025-02-06T21:03:18Z/ Found at https://www.mozilla.org/security/advisories/mfsa2025-10/
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://www.mozilla.org/security/advisories/mfsa2025-11/
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/2025-02-06T21:03:18Z/ Found at https://www.mozilla.org/security/advisories/mfsa2025-11/
Exploit Prediction Scoring System (EPSS)
Percentile 0.36815
EPSS Score 0.00182
Published At March 28, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-03-28T05:42:36.001115+00:00 RedHat Importer Import https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-1016.json 36.0.0