CVE-2023-28162: mozilla firefox Incorrect Type Conversion or Cast
CVSS: 8.8v3.1HighModified
AliasesUBUNTU-CVE-2023-28162DEBIAN-CVE-2023-28162
Published 02-06-2023Last modified 09-01-2025
Vulnerability summary
CVE-2023-28162 is a high (CVSS 8.8) Incorrect Type Conversion or Cast vulnerability in mozilla firefox. EPSS estimates a 0.70% chance of exploitation in the next 30 days, higher than 52.3% of scored vulnerabilities.
CVSS score
8.8/10
010
High · v3.1 (CVE.org)EPSS score
0.70%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 31 · Related 9DLA-3364-1DLA-3365-1DSA-5374-1DSA-5375-1MGASA-2023-0111MGASA-2023-0116OPENSUSE-SU-2024:12791-1OPENSUSE-SU-2024:12839-1OPENSUSE-SU-2024:14572-1RHSA-2023:1333RHSA-2023:1336RHSA-2023:1337RHSA-2023:1364RHSA-2023:1367RHSA-2023:1401RHSA-2023:1402RHSA-2023:1403RHSA-2023:1404RHSA-2023:1407RHSA-2023:1442RHSA-2023:1443RHSA-2023:1444RHSA-2023:1445RHSA-2023:1472RHSA-2023:1479SUSE-SU-2023:0728-1SUSE-SU-2023:0763-1SUSE-SU-2023:0835-1SUSE-SU-2023:1736-1USN-5954-1USN-5972-1
Timeline
- 02-06-2023PublishedVulnerability first disclosed.
- 09-01-2025Last modifiedVulnerability information updated.
Description
While implementing AudioWorklets, some code may have casted one type to another, invalid, dynamic type. This could have led to a potentially exploitable crash. This vulnerability affects Firefox < 111, Firefox ESR < 102.9, and Thunderbird < 102.9.
CVSS metrics
4 scores · 4 sources · 1 versionHigh 8.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- NVDNIST8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.70%
Chance of exploitation in the next 30 days
Percentile
52%
Versus all other CVEs
30-day change
0.00 pp
From 0.70% on 19-09-2026
19-09-202619-10-2026
EPSS score0.70%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-704Incorrect Type Conversion or CastThe product does not correctly convert an object, resource, or structure from one type to a different type.
- CWE-843Access of Resource Using Incompatible Type ('Type Confusion')The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.
Affected systems
Ubuntu7 products
- firefox< 111.0+build2-0ubuntu0.18.04.1 | < 111.0+build2-0ubuntu0.20.04.1
- mozjs38All versions (No fix recorded)
- mozjs52All versions (No fix recorded)
- mozjs68All versions (No fix recorded)
- mozjs78All versions (No fix recorded)
Mozilla3 products
- firefox≥ unspecified, < 111 | < 111.0
- firefox_esr≥ unspecified, < 102.9 | < 102.9
- thunderbird≥ unspecified, < 102.9 | < 102.9
Debian2 products
- firefox-esr< 102.9.0esr-1
- thunderbird< 1:102.9.0-1
3 vendors · 12 products
References
11 links- www.mozilla.org/security/advisories/mfsa2023-09/Vendor Advisory
- www.mozilla.org/security/advisories/mfsa2023-10/Vendor Advisory
- www.mozilla.org/security/advisories/mfsa2023-11/Vendor Advisory
