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Vulnerability details: VCID-upvn-56py-8ud7
Vulnerability ID VCID-upvn-56py-8ud7
Aliases CVE-2025-1933
Summary Multiple vulnerabilities have been discovered in Mozilla Firefox, the worst of which can lead to arbitrary code execution.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-843 Access of Resource Using Incompatible Type ('Type Confusion')
System Score Found at
cvssv3 7.6 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-1933.json
epss 0.00381 https://api.first.org/data/v1/epss?cve=CVE-2025-1933
epss 0.00381 https://api.first.org/data/v1/epss?cve=CVE-2025-1933
epss 0.00381 https://api.first.org/data/v1/epss?cve=CVE-2025-1933
epss 0.00381 https://api.first.org/data/v1/epss?cve=CVE-2025-1933
epss 0.00381 https://api.first.org/data/v1/epss?cve=CVE-2025-1933
epss 0.00381 https://api.first.org/data/v1/epss?cve=CVE-2025-1933
epss 0.00406 https://api.first.org/data/v1/epss?cve=CVE-2025-1933
epss 0.00406 https://api.first.org/data/v1/epss?cve=CVE-2025-1933
cvssv3.1 7.6 https://bugzilla.mozilla.org/show_bug.cgi?id=1946004
ssvc Track https://bugzilla.mozilla.org/show_bug.cgi?id=1946004
cvssv3.1 7.6 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2025-14
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2025-15
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2025-16
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2025-17
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2025-18
cvssv3.1 7.6 https://www.mozilla.org/security/advisories/mfsa2025-14/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2025-14/
cvssv3.1 7.6 https://www.mozilla.org/security/advisories/mfsa2025-15/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2025-15/
cvssv3.1 7.6 https://www.mozilla.org/security/advisories/mfsa2025-16/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2025-16/
cvssv3.1 7.6 https://www.mozilla.org/security/advisories/mfsa2025-17/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2025-17/
cvssv3.1 7.6 https://www.mozilla.org/security/advisories/mfsa2025-18/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2025-18/
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-1933.json
https://api.first.org/data/v1/epss?cve=CVE-2025-1933
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-1933
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
2349794 https://bugzilla.redhat.com/show_bug.cgi?id=2349794
GLSA-202505-02 https://security.gentoo.org/glsa/202505-02
GLSA-202505-03 https://security.gentoo.org/glsa/202505-03
GLSA-202505-08 https://security.gentoo.org/glsa/202505-08
mfsa2025-14 https://www.mozilla.org/en-US/security/advisories/mfsa2025-14
mfsa2025-14 https://www.mozilla.org/security/advisories/mfsa2025-14/
mfsa2025-15 https://www.mozilla.org/en-US/security/advisories/mfsa2025-15
mfsa2025-15 https://www.mozilla.org/security/advisories/mfsa2025-15/
mfsa2025-16 https://www.mozilla.org/en-US/security/advisories/mfsa2025-16
mfsa2025-16 https://www.mozilla.org/security/advisories/mfsa2025-16/
mfsa2025-17 https://www.mozilla.org/en-US/security/advisories/mfsa2025-17
mfsa2025-17 https://www.mozilla.org/security/advisories/mfsa2025-17/
mfsa2025-18 https://www.mozilla.org/en-US/security/advisories/mfsa2025-18
mfsa2025-18 https://www.mozilla.org/security/advisories/mfsa2025-18/
RHSA-2025:2359 https://access.redhat.com/errata/RHSA-2025:2359
RHSA-2025:2452 https://access.redhat.com/errata/RHSA-2025:2452
RHSA-2025:2479 https://access.redhat.com/errata/RHSA-2025:2479
RHSA-2025:2480 https://access.redhat.com/errata/RHSA-2025:2480
RHSA-2025:2481 https://access.redhat.com/errata/RHSA-2025:2481
RHSA-2025:2484 https://access.redhat.com/errata/RHSA-2025:2484
RHSA-2025:2485 https://access.redhat.com/errata/RHSA-2025:2485
RHSA-2025:2486 https://access.redhat.com/errata/RHSA-2025:2486
RHSA-2025:2699 https://access.redhat.com/errata/RHSA-2025:2699
RHSA-2025:2708 https://access.redhat.com/errata/RHSA-2025:2708
show_bug.cgi?id=1946004 https://bugzilla.mozilla.org/show_bug.cgi?id=1946004
USN-7334-1 https://usn.ubuntu.com/7334-1/
USN-7663-1 https://usn.ubuntu.com/7663-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-1933.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:L/I:L/A:H Found at https://bugzilla.mozilla.org/show_bug.cgi?id=1946004
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/2025-03-04T15:58:36Z/ Found at https://bugzilla.mozilla.org/show_bug.cgi?id=1946004
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/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:R/S:U/C:L/I:L/A:H Found at https://www.mozilla.org/security/advisories/mfsa2025-14/
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/2025-03-04T15:58:36Z/ Found at https://www.mozilla.org/security/advisories/mfsa2025-14/
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H Found at https://www.mozilla.org/security/advisories/mfsa2025-15/
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/2025-03-04T15:58:36Z/ Found at https://www.mozilla.org/security/advisories/mfsa2025-15/
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H Found at https://www.mozilla.org/security/advisories/mfsa2025-16/
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/2025-03-04T15:58:36Z/ Found at https://www.mozilla.org/security/advisories/mfsa2025-16/
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H Found at https://www.mozilla.org/security/advisories/mfsa2025-17/
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/2025-03-04T15:58:36Z/ Found at https://www.mozilla.org/security/advisories/mfsa2025-17/
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H Found at https://www.mozilla.org/security/advisories/mfsa2025-18/
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/2025-03-04T15:58:36Z/ Found at https://www.mozilla.org/security/advisories/mfsa2025-18/
Exploit Prediction Scoring System (EPSS)
Percentile 0.5951
EPSS Score 0.00381
Published At April 2, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T13:03:08.313011+00:00 Gentoo Importer Import https://security.gentoo.org/glsa/202505-02 38.0.0