CVE-2024-7652: mozilla firefox NULL Pointer Dereference
CVSS: 7.5v3.1HighAnalyzed
AliasesUBUNTU-CVE-2024-7652DEBIAN-CVE-2024-7652CGA-j45q-7vqh-9f4qCGA-ppc9-mq9f-8f86CGA-c47v-cpcr-wqcrCGA-jrfv-83jv-q864
Published 06-09-2024Last modified 30-10-2025
Vulnerability summary
CVE-2024-7652 is a high (CVSS 7.5) NULL Pointer Dereference vulnerability in mozilla firefox. EPSS estimates a 0.66% chance of exploitation in the next 30 days, higher than 50.4% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (CVE.org)EPSS score
0.66%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 15 · Related 1Timeline
- 06-09-2024PublishedVulnerability first disclosed.
- 30-10-2025Last modifiedVulnerability information updated.
Description
An error in the ECMA-262 specification relating to Async Generators could have resulted in a type confusion, potentially leading to memory corruption and an exploitable crash. This vulnerability affects Firefox < 128, Firefox ESR < 115.13, Thunderbird < 115.13, and Thunderbird < 128.
CVSS metrics
6 scores · 6 sources · 1 versionHigh 7.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 6 agree
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · WolfiEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · ChainguardEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.66%
Chance of exploitation in the next 30 days
Percentile
50%
Versus all other CVEs
30-day change
0.00 pp
From 0.66% on 19-09-2026
19-09-202619-10-2026
EPSS score0.66%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-476NULL Pointer DereferenceThe product dereferences a pointer that it expects to be valid but is NULL.
- CWE-843Access of Resource Using Incompatible Type ('Type Confusion')The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.
Affected systems
Ubuntu9 products
- firefox< 128.0+build2-0ubuntu0.20.04.1
- mozjs102All versions (No fix recorded)
- mozjs115All versions (No fix recorded)
- mozjs38All versions (No fix recorded)
- mozjs52All versions (No fix recorded)
Mozilla3 products
- firefox≥ unspecified, < 128 | < 115.13.0 | < 128.0
- firefox_esr≥ unspecified, < 115.13
- thunderbird≥ unspecified, < 115.13 | ≥ unspecified, < 128 | < 115.13.0 | ≥ 116.0, < 128.0
Chainguard2 products
- firefox< 128-r0
- firefox-esr< 128-r0
Debian2 products
- firefox-esr< 115.13.0esr-1~deb12u1 | < 115.13.0esr-1
- thunderbird< 1:115.13.0-1~deb12u1 | < 1:115.13.0-1
Wolfi1 product
- firefox< 128-r0
5 vendors · 17 products
