CVE-2023-4046 : In some circumstances, a stale value could have been used for a global variable

In some circumstances, a stale value could have been used for a global variable in WASM JIT analysis. This resulted in incorrect compilation and a potentially exploitable crash in the content process. This vulnerability affects Firefox < 116, Firefox ESR < 102.14, and Firefox ESR < 115.1.

Published 2023-08-01 15:15:10

Updated 2023-08-09 21:15:11

Source Mozilla Corporation

View at NVD, CVE.org

Products affected by CVE-2023-4046

Debian » Debian Linux » Version: 11.0
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
Matching versions
Debian » Debian Linux » Version: 12.0
cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:*
Matching versions
Mozilla » Firefox
Versions before (<) 116.0
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
Matching versions
Mozilla » Firefox Esr
Versions from including (>=) 115.0 and before (<) 115.1
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
Matching versions
Mozilla » Firefox Esr
Versions from including (>=) 102.0 and before (<) 102.14
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2023-4046

EPSS FAQ

0.12%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 46 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2023-4046

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source	First Seen
5.3	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L	3.9	1.4	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: Low

References for CVE-2023-4046

https://www.debian.org/security/2023/dsa-5469

Debian -- Security Information -- DSA-5469-1 thunderbird
Third Party Advisory

CVEs referencing this url
https://www.mozilla.org/security/advisories/mfsa2023-29/

Security Vulnerabilities fixed in Firefox 116 — Mozilla
Vendor Advisory

CVEs referencing this url
https://bugzilla.mozilla.org/show_bug.cgi?id=1837686

Access Denied
Issue Tracking;Permissions Required
https://lists.debian.org/debian-lts-announce/2023/08/msg00010.html

[SECURITY] [DLA 3523-1] firefox-esr security update

CVEs referencing this url
https://www.debian.org/security/2023/dsa-5464

Debian -- Security Information -- DSA-5464-1 firefox-esr
Third Party Advisory

CVEs referencing this url
https://lists.debian.org/debian-lts-announce/2023/08/msg00008.html

[SECURITY] [DLA 3521-1] thunderbird security update

CVEs referencing this url
https://www.mozilla.org/security/advisories/mfsa2023-31/

Security Vulnerabilities fixed in Firefox ESR 115.1 — Mozilla
Vendor Advisory

CVEs referencing this url
https://www.mozilla.org/security/advisories/mfsa2023-30/

Security Vulnerabilities fixed in Firefox ESR 102.14 — Mozilla
Vendor Advisory

CVEs referencing this url

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Vulnerability Details : CVE-2023-4046

Products affected by CVE-2023-4046

Exploit prediction scoring system (EPSS) score for CVE-2023-4046

CVSS scores for CVE-2023-4046

References for CVE-2023-4046