TI-2023-04220 Aliases CVE-2023-4576 GHSA-qcr8-g46x-v65q

Integer Overflow in RecordedSourceSurfaceCreation

MEDIUM 45CWE-190Published 2023-09-11 · Updated 2025-12-18

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: High · None · None
Fix status: Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

On Windows, an integer overflow could occur in `RecordedSourceSurfaceCreation` which resulted in a heap buffer overflow potentially leaking sensitive data that could have led to a sandbox escape. *This bug only affects Firefox on Windows. Other operating systems are unaffected.* This vulnerability affects Firefox < 117, Firefox ESR < 102.15, Firefox ESR < 115.2, Thunderbird < 102.15, and Thunderbird < 115.2.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00821 57th percentileScored 2026-11-07

Fix Fixed Firefox (Mozilla): 117Firefox ESR (Mozilla): 102.15, 115.2+1 more product

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Mozilla	Firefox	before 117	117	Patch available	CNA
Mozilla	Firefox ESR	before 102.15	102.15	Patch available	CNA
Mozilla	Firefox ESR	before 115.2	115.2	Patch available	CNA
Mozilla	Thunderbird	before 102.15	102.15	Patch available	CNA
Mozilla	Thunderbird	before 115.2	115.2	Patch available	CNA

Firefox VendorMozilla Affected before 117 Fixed in 117 Patch available CNA
Firefox ESR VendorMozilla Affected before 102.15 Fixed in 102.15 Patch available CNA
Firefox ESR VendorMozilla Affected before 115.2 Fixed in 115.2 Patch available CNA
Thunderbird VendorMozilla Affected before 102.15 Fixed in 102.15 Patch available CNA
Thunderbird VendorMozilla Affected before 115.2 Fixed in 115.2 Patch available CNA

CPE configurations NVD · 4

CPE	Versions	Role	Vendor
cpe:2.3:a:mozilla:firefox::::::::	before 117.0; 115.0 to before 115.2	Vulnerable	Mozilla
cpe:2.3:a:mozilla:firefox_esr::::::::	before 102.15	Vulnerable	Mozilla
cpe:2.3:a:mozilla:thunderbird::::::::	before 115.2	Vulnerable	Mozilla
cpe:2.3:o:microsoft:windows:-:::::::*	not specified by NVD	Running on	Microsoft

cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* Versions before 117.0; 115.0 to before 115.2 Vulnerable ·Mozilla
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* Versions before 102.15 Vulnerable ·Mozilla
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* Versions before 115.2 Vulnerable ·Mozilla
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft

Remediation

Fix · CNA Firefox (Mozilla) Fixed in 117
Fix · CNA Firefox ESR (Mozilla) Fixed in 102.15
Fix · CNA Firefox ESR (Mozilla) Fixed in 115.2
Fix · CNA Thunderbird (Mozilla) Fixed in 102.15
Fix · CNA Thunderbird (Mozilla) Fixed in 115.2

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

Release · 2023-09-11
Mozilla Firefox 117
13 records Highest priority Priority MEDIUM 5 MEDIUM, 8 LOW
Other records, highest priority first
- TI-2023-04226 Buffer Overflow in WebGL glGetProgramivPriority MEDIUM 42
- TI-2023-04229 Memory safety bugs fixed in Firefox 117, Firefox ESR 115.2, and Thunderbird 115.2Priority MEDIUM 41
- TI-2023-04228 Out-of-bounds write in Mozilla FirefoxPriority MEDIUM 40
Show all 13 records →
Release · 2023-09-11
Mozilla Firefox ESR, Thunderbird 115.2
12 records Highest priority Priority MEDIUM 5 MEDIUM, 7 LOW
Other records, highest priority first
- TI-2023-04226 Buffer Overflow in WebGL glGetProgramivPriority MEDIUM 42
- TI-2023-04229 Memory safety bugs fixed in Firefox 117, Firefox ESR 115.2, and Thunderbird 115.2Priority MEDIUM 41
- TI-2023-04228 Out-of-bounds write in Mozilla FirefoxPriority MEDIUM 40
Show all 12 records →

Show 1 more group

Release · 2023-09-11
Mozilla Firefox ESR, Thunderbird 102.15
6 records Highest priority Priority MEDIUM 2 MEDIUM, 4 LOW
Other records, highest priority first
- TI-2023-04228 Out-of-bounds write in Mozilla FirefoxPriority MEDIUM 40
- TI-2023-04217 Memory corruption in IPC CanvasTranslatorPriority LOW 36
- TI-2023-04219 Memory corruption in IPC FilePickerShownCallbackPriority LOW 30
Show all 6 records →

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

Not affected: 4 products

Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 8
Red Hat Enterprise Linux 9

Timeline

2026-10-02 Threatist record created from CVE-2023-4576
2026-10-03 Alias added: GHSA-qcr8-g46x-v65q

References

Advisory 4

Other 2

TI-2024-08981 Use after free in Mozilla Firefox KEVCVSS 3.1CRITICAL 9.8
TI-2022-09832 Use after free in Mozilla Firefox KEVCVSS 3.1CRITICAL 9.6
TI-2019-08769 Improper input validation in Mozilla Firefox ESR KEVCVSS 3.1CRITICAL 10.0
TI-2010-03577 Mozilla Firefox 3.5.x through 3.5.14 and 3.6.x through 3.6.11, Thunderbird 3.1.6 before… KEVCVSS 3.1CRITICAL 9.8
TI-2023-04799 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
TI-2023-04477 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8

See all 3444 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences