CVE-2024-6602

CRITICALNVD 9.89.8—

9.8

A mismatch between allocator and deallocator could have led to memory corruption. This vulnerability affects Firefox < 128, Firefox ESR < 115.13, Thunderbird < 115.13, and Thunderbird < 128.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 73.9%
KEV: Not listed

Published

July 9, 2024

Last Modified

November 3, 2025

References (11)

security@mozillahttps://bugzilla.mozilla.org/show_bug.cgi?id=1895032
security@mozillahttps://www.mozilla.org/security/advisories/mfsa2024-29/
security@mozillahttps://www.mozilla.org/security/advisories/mfsa2024-30/
security@mozillahttps://www.mozilla.org/security/advisories/mfsa2024-31/
security@mozillahttps://www.mozilla.org/security/advisories/mfsa2024-32/
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.mozilla.org/show_bug.cgi?id=1895032
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2024/10/msg00028.html
af854a3a-2127-422b-91ae-364da2661108https://www.mozilla.org/security/advisories/mfsa2024-29/
af854a3a-2127-422b-91ae-364da2661108https://www.mozilla.org/security/advisories/mfsa2024-30/
af854a3a-2127-422b-91ae-364da2661108https://www.mozilla.org/security/advisories/mfsa2024-31/
af854a3a-2127-422b-91ae-364da2661108https://www.mozilla.org/security/advisories/mfsa2024-32/

Patch Availability(11)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	xul-ext-lightning (1:115.13.0+build5-0ubuntu0.22.04.1) @ jammy	2026-05-23	ubuntu
ubuntu	firefox-mozsymbols (128.0+build2-0ubuntu0.20.04.1) @ focal	2026-05-23	ubuntu
redhat	firefox-0:128.2.0-1.el8_2	2024-09-19	redhat
redhat	nss-0:3.101.0-7.el8_8	2024-09-16	redhat
redhat	nss-0:3.101.0-7.el9_2	2024-09-16	redhat
redhat	thunderbird-0:115.13.0-3.el8_6	2024-07-29	redhat
redhat	thunderbird-0:115.13.0-3.el8_2	2024-07-23	redhat
redhat	thunderbird-0:115.13.0-3.el8_8	2024-07-23	redhat
redhat	thunderbird-0:115.13.0-3.el9_2	2024-07-22	redhat
redhat	thunderbird-0:115.13.0-3.el8_4	2024-07-22	redhat
redhat	thunderbird-0:115.13.0-3.el9_0	2024-07-18	redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-94Improper Control of Generation of Code (Code Injection)

All Vendor Advisories

(11)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 15× in last 7d / 20× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-08 14:16 UTCEPSS rescore
2026-06-08 14:16 UTCEPSS rescore
2026-06-08 13:41 UTCOSV refresh
2026-06-07 15:24 UTCEPSS rescore
2026-06-07 15:24 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-05 22:46 UTCEPSS rescore
2026-06-05 22:46 UTCEPSS rescore
2026-06-05 06:09 UTCEPSS rescore
2026-06-05 06:09 UTCEPSS rescore
2026-06-04 13:11 UTCEPSS rescore
2026-06-04 13:11 UTCEPSS rescore
2026-06-02 20:12 UTCEPSS rescore
2026-06-02 20:12 UTCEPSS rescore
2026-06-01 13:51 UTCEPSS rescore
2026-06-01 13:51 UTCEPSS rescore
2026-06-01 13:51 UTCEPSS rescore
2026-05-31 22:30 UTCEPSS rescore
2026-05-31 22:30 UTCEPSS rescore

Frequently asked(5)

What is CVE-2024-6602?

CVE-2024-6602 is a critical vulnerability published on July 9, 2024. A mismatch between allocator and deallocator could have led to memory corruption. This vulnerability affects Firefox < 128, Firefox ESR < 115.13, Thunderbird < 115.13, and Thunderbird < 128.

When was CVE-2024-6602 disclosed?

CVE-2024-6602 was first published in the National Vulnerability Database on July 9, 2024, with the most recent update on November 3, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2024-6602 actively exploited?

CVE-2024-6602 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 73.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2024-6602?

CVE-2024-6602 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2024-6602?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-6602, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2024-6602

Published

Last Modified

References (11)

Patch Availability(11)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2024-6602?

Same vendor

Same CWE

CVE-2024-6602

📅 Published

🔄 Last Modified

🔗 References (11)

Patch Availability(11)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2024-6602?

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