CVE-2023-4046 - Mozilla: Incorrect value used during WASM compilation

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HIGH

Mozilla: Incorrect value used during WASM compilation

Published Aug 1, 2023

7.5

HIGH

CVSS 3.1

EPSS 1.13%

Description

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.

Affected products

Vendor Mozilla Product Firefox Default
unknown
Affected
- ≥ unspecified, < 116
Vendor Mozilla Product Firefox ESR Default
unknown
Affected
- ≥ unspecified, < 102.14
- ≥ unspecified, < 115.1

Default status is the baseline for the product. Each version can override it (patched versions can be marked unaffected).

Vendor	Product	Default status	Versions
Mozilla	Firefox	unknown	Affected ≥ unspecified, < 116
Mozilla	Firefox ESR	unknown	Affected ≥ unspecified, < 102.14 ≥ unspecified, < 115.1

Vendor Mozilla Product Firefox Default
unknown
Affected
- ≥ 0, < 102.14
- ≥ 0, < 115.1
- ≥ 0, < 116

Default status is the baseline for the product. Each version can override it (patched versions can be marked unaffected).

Vendor	Product	Default status	Versions
Mozilla	Firefox	unknown	Affected ≥ 0, < 102.14 ≥ 0, < 115.1 ≥ 0, < 116

Red Hat Enterprise Linux 7

firefox-0:102.14.0-1.el7_9

Fixed · RHSA-2023:4461
Red Hat Enterprise Linux 7

thunderbird-0:102.14.0-1.el7_9

Fixed · RHSA-2023:4495
Red Hat Enterprise Linux 8

firefox-0:102.14.0-1.el8_8

Fixed · RHSA-2023:4468
Red Hat Enterprise Linux 8

thunderbird-0:102.14.0-1.el8_8

Fixed · RHSA-2023:4497
Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions

firefox-0:102.14.0-1.el8_1

Fixed · RHSA-2023:4464
Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions

thunderbird-0:102.14.0-1.el8_1

Fixed · RHSA-2023:4492
Red Hat Enterprise Linux 8.2 Advanced Update Support

firefox-0:102.14.0-1.el8_2

Fixed · RHSA-2023:4460
Red Hat Enterprise Linux 8.2 Advanced Update Support

thunderbird-0:102.14.0-1.el8_2

Fixed · RHSA-2023:4496
Red Hat Enterprise Linux 8.2 Telecommunications Update Service

firefox-0:102.14.0-1.el8_2

Fixed · RHSA-2023:4460
Red Hat Enterprise Linux 8.2 Telecommunications Update Service

thunderbird-0:102.14.0-1.el8_2

Fixed · RHSA-2023:4496
Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions

firefox-0:102.14.0-1.el8_2

Fixed · RHSA-2023:4460
Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions

thunderbird-0:102.14.0-1.el8_2

Fixed · RHSA-2023:4496
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support

firefox-0:102.14.0-1.el8_4

Fixed · RHSA-2023:4469
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support

thunderbird-0:102.14.0-1.el8_4

Fixed · RHSA-2023:4500
Red Hat Enterprise Linux 8.4 Telecommunications Update Service

firefox-0:102.14.0-1.el8_4

Fixed · RHSA-2023:4469
Red Hat Enterprise Linux 8.4 Telecommunications Update Service

thunderbird-0:102.14.0-1.el8_4

Fixed · RHSA-2023:4500
Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions

firefox-0:102.14.0-1.el8_4

Fixed · RHSA-2023:4469
Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions

thunderbird-0:102.14.0-1.el8_4

Fixed · RHSA-2023:4500
Red Hat Enterprise Linux 8.6 Extended Update Support

firefox-0:102.14.0-1.el8_6

Fixed · RHSA-2023:4463
Red Hat Enterprise Linux 8.6 Extended Update Support

thunderbird-0:102.14.0-1.el8_6

Fixed · RHSA-2023:4493
Red Hat Enterprise Linux 9

firefox-0:102.14.0-1.el9_2

Fixed · RHSA-2023:4462
Red Hat Enterprise Linux 9

thunderbird-0:102.14.0-1.el9_2

Fixed · RHSA-2023:4499
Red Hat Enterprise Linux 9.0 Extended Update Support

firefox-0:102.14.0-1.el9_0

Fixed · RHSA-2023:4465
Red Hat Enterprise Linux 9.0 Extended Update Support

thunderbird-0:102.14.0-1.el9_0

Fixed · RHSA-2023:4494
Red Hat Enterprise Linux 6

firefox

Out of support scope
Red Hat Enterprise Linux 6

thunderbird

Out of support scope

Product	Package	State	Advisory
Red Hat Enterprise Linux 7	firefox-0:102.14.0-1.el7_9	Fixed	RHSA-2023:4461
Red Hat Enterprise Linux 7	thunderbird-0:102.14.0-1.el7_9	Fixed	RHSA-2023:4495
Red Hat Enterprise Linux 8	firefox-0:102.14.0-1.el8_8	Fixed	RHSA-2023:4468
Red Hat Enterprise Linux 8	thunderbird-0:102.14.0-1.el8_8	Fixed	RHSA-2023:4497
Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions	firefox-0:102.14.0-1.el8_1	Fixed	RHSA-2023:4464
Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions	thunderbird-0:102.14.0-1.el8_1	Fixed	RHSA-2023:4492
Red Hat Enterprise Linux 8.2 Advanced Update Support	firefox-0:102.14.0-1.el8_2	Fixed	RHSA-2023:4460
Red Hat Enterprise Linux 8.2 Advanced Update Support	thunderbird-0:102.14.0-1.el8_2	Fixed	RHSA-2023:4496
Red Hat Enterprise Linux 8.2 Telecommunications Update Service	firefox-0:102.14.0-1.el8_2	Fixed	RHSA-2023:4460
Red Hat Enterprise Linux 8.2 Telecommunications Update Service	thunderbird-0:102.14.0-1.el8_2	Fixed	RHSA-2023:4496
Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions	firefox-0:102.14.0-1.el8_2	Fixed	RHSA-2023:4460
Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions	thunderbird-0:102.14.0-1.el8_2	Fixed	RHSA-2023:4496
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support	firefox-0:102.14.0-1.el8_4	Fixed	RHSA-2023:4469
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support	thunderbird-0:102.14.0-1.el8_4	Fixed	RHSA-2023:4500
Red Hat Enterprise Linux 8.4 Telecommunications Update Service	firefox-0:102.14.0-1.el8_4	Fixed	RHSA-2023:4469
Red Hat Enterprise Linux 8.4 Telecommunications Update Service	thunderbird-0:102.14.0-1.el8_4	Fixed	RHSA-2023:4500
Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions	firefox-0:102.14.0-1.el8_4	Fixed	RHSA-2023:4469
Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions	thunderbird-0:102.14.0-1.el8_4	Fixed	RHSA-2023:4500
Red Hat Enterprise Linux 8.6 Extended Update Support	firefox-0:102.14.0-1.el8_6	Fixed	RHSA-2023:4463
Red Hat Enterprise Linux 8.6 Extended Update Support	thunderbird-0:102.14.0-1.el8_6	Fixed	RHSA-2023:4493
Red Hat Enterprise Linux 9	firefox-0:102.14.0-1.el9_2	Fixed	RHSA-2023:4462
Red Hat Enterprise Linux 9	thunderbird-0:102.14.0-1.el9_2	Fixed	RHSA-2023:4499
Red Hat Enterprise Linux 9.0 Extended Update Support	firefox-0:102.14.0-1.el9_0	Fixed	RHSA-2023:4465
Red Hat Enterprise Linux 9.0 Extended Update Support	thunderbird-0:102.14.0-1.el9_0	Fixed	RHSA-2023:4494
Red Hat Enterprise Linux 6	firefox	Out of support scope	n/a
Red Hat Enterprise Linux 6	thunderbird	Out of support scope	n/a

Remediation

Red Hat statement

Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.

Weaknesses (2)

CWE-20

Improper Input Validation

CWE-770

Allocation of Resources Without Limits

References (17)

https://access.redhat.com/security/cve/CVE-2023-4046
Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1837686
Issue TrackingPermissions Required
https://bugzilla.redhat.com/show_bug.cgi?id=2228361
Issue Tracking
https://euvd.enisa.europa.eu/vulnerability/EUVD-2023-53937
Advisory
https://lists.debian.org/debian-lts-announce/2023/08/msg00008.html
https://lists.debian.org/debian-lts-announce/2023/08/msg00010.html
https://nvd.nist.gov/vuln/detail/CVE-2023-4046
https://www.cve.org/CVERecord?id=CVE-2023-4046
https://www.debian.org/security/2023/dsa-5464
Third Party Advisory
https://www.debian.org/security/2023/dsa-5469
Third Party Advisory
https://www.mozilla.org/en-US/security/advisories/mfsa2023-30/#CVE-2023-4046
https://www.mozilla.org/en-US/security/advisories/mfsa2023-31/#CVE-2023-4046
https://www.mozilla.org/en-US/security/advisories/mfsa2023-32/#CVE-2023-4046
https://www.mozilla.org/en-US/security/advisories/mfsa2023-33/#CVE-2023-4046
https://www.mozilla.org/security/advisories/mfsa2023-29/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-30/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-31/
Vendor Advisory

Link	Providers	Tags
https://access.redhat.com/security/cve/CVE-2023-4046		Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1837686		Issue TrackingPermissions Required
https://bugzilla.redhat.com/show_bug.cgi?id=2228361		Issue Tracking
https://euvd.enisa.europa.eu/vulnerability/EUVD-2023-53937		Advisory
https://lists.debian.org/debian-lts-announce/2023/08/msg00008.html
https://lists.debian.org/debian-lts-announce/2023/08/msg00010.html
https://nvd.nist.gov/vuln/detail/CVE-2023-4046
https://www.cve.org/CVERecord?id=CVE-2023-4046
https://www.debian.org/security/2023/dsa-5464		Third Party Advisory
https://www.debian.org/security/2023/dsa-5469		Third Party Advisory
https://www.mozilla.org/en-US/security/advisories/mfsa2023-30/#CVE-2023-4046
https://www.mozilla.org/en-US/security/advisories/mfsa2023-31/#CVE-2023-4046
https://www.mozilla.org/en-US/security/advisories/mfsa2023-32/#CVE-2023-4046
https://www.mozilla.org/en-US/security/advisories/mfsa2023-33/#CVE-2023-4046
https://www.mozilla.org/security/advisories/mfsa2023-29/		Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-30/		Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-31/		Vendor Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mozilla

Published Aug 1, 2023

Updated Feb 13, 2025

Reserved Aug 1, 2023

Link CVE-2023-4046

CISA Vulnrichment

Updated Oct 22, 2024

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2023-4046

Red Hat

Severity Important

Public date Aug 1, 2023

Bugzilla 2228361

Link CVE-2023-4046

ENISA EUVD

Assigner mozilla

Published Aug 1, 2023

Updated Feb 13, 2025

Link EUVD-2023-53937

GitHub

No data