CVE-2024-6600

Memory corruption in WebGL API

At a glance

Severity: MEDIUM 6.3
EPSS: EPSS 0.40 % · percentile 34 (2026-10-27)
State: PUBLISHED
Published: 2024-07-09
Updated: 2025-10-30
Assigner: mozilla
NVD status: Modified

Description

Due to large allocation checks in Angle for GLSL shaders being too lenient an out-of-bounds access could occur when allocating more than 8192 ints in private shader memory on macOS. This vulnerability affects Firefox < 128, Firefox ESR < 115.13, Thunderbird < 115.13, and Thunderbird < 128.

Scores

Version	Score	Vector	Scored by
CVSS 3.1	MEDIUM 6.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L	CISA-ADP
CVSS 3.1	MEDIUM 6.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L	NVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Weaknesses (CWE)

CWE-770

European references

ENISA EUVD · EUVD-2024-47664
GCVE · GCVE-0-2024-6600

CERT-FR advisories

CERTFR-2024-AVI-0588 — Multiples vulnérabilités dans Mozilla Thunderbird · cert.ssi.gouv.fr
CERTFR-2024-AVI-0555 — Multiples vulnérabilités dans les produits Mozilla · cert.ssi.gouv.fr

Affected configurations (NVD CPE)

cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:* < 115.13
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* < 128.0
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* < 115.13
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* ≥ 116.0 < 128.0

Affected products

Product	Versions
Mozilla · Firefox	affected unspecified < 128
Mozilla · Firefox ESR	affected unspecified < 115.13
Mozilla · Thunderbird	affected unspecified < 115.13
Mozilla · Thunderbird	affected unspecified < 128

References

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)	Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD