CVE-2024-33263
QuickJS commit 3b45d15 was discovered to contain an Assertion Failure via JS_FreeRuntime...
QuickJS commit 3b45d15 was discovered to contain an Assertion Failure via JS_FreeRuntime(JSRuntime *) at quickjs.c.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
QuickJS commit 3b45d15 was discovered to contain an Assertion Failure via JS_FreeRuntime(JSRuntime *) at quickjs.c.
- Record
CVE-2024-33263- CVSS 3.1
- 4.0 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L - Updated
- 2026-11-02
EUVDEUVD-2024-31008
QuickJS commit 3b45d15 was discovered to contain an Assertion Failure via JS_FreeRuntime(JSRuntime *) at quickjs.c.
- Record
EUVD-2024-31008- CVSS 3.1
- 4.0 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-wq4j-f7v3-vfpp
QuickJS commit 3b45d15 was discovered to contain an Assertion Failure via JS_FreeRuntime...
QuickJS commit 3b45d15 was discovered to contain an Assertion Failure via JS_FreeRuntime(JSRuntime *) at quickjs.c.
- Record
GHSA-wq4j-f7v3-vfpp- CVSS 3.1
- 4.0 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L - Updated
- 2026-11-02
NVD
QuickJS commit 3b45d15 was discovered to contain an Assertion Failure via JS_FreeRuntime(JSRuntime *) at quickjs.c.
- Record
CVE-2024-33263- CVSS 3.1
- 4.0 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L - Weakness
- CWE-617
- Updated
- 2026-11-02
OSV
QuickJS commit 3b45d15 was discovered to contain an Assertion Failure via JS_FreeRuntime(JSRuntime *) at quickjs.c.
- Record
CVE-2024-33263- CVSS 3.1
- 4.0 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L - Updated
- 2026-11-02
OSVDEBIAN-CVE-2024-33263
QuickJS commit 3b45d15 was discovered to contain an Assertion Failure via JS_FreeRuntime(JSRuntime *) at quickjs.c.
- Record
DEBIAN-CVE-2024-33263- CVSS 3.1
- 4.0 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L - Updated
- 2026-11-02
OSVUBUNTU-CVE-2024-33263
QuickJS commit 3b45d15 was discovered to contain an Assertion Failure via JS_FreeRuntime(JSRuntime *) at quickjs.c.
- Record
UBUNTU-CVE-2024-33263- CVSS 3.1
- 4.0 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L - Updated
- 2026-11-02
OSVUSN-7439-1 No score
quickjs vulnerabilities
It was discovered that QuickJS could be forced to reference uninitialized memory in certain instances. An attacker could possibly use this issue to cause QuickJS to crash, resulting in a denial of service, or execute arbitrary code. (CVE-2023-48183)
It was discovered that QuickJS incorrectly managed memory in certain circumstances. An attacker could possibly use this issue to exhaust system resources, resulting in a denial of service. (CVE-2023-48184)
It was discovered that QuickJS could be forced to crash due to a failing test. An attacker could possibly use this issue to cause a denial of service. (CVE-2024-33263)
- Record
USN-7439-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
quickjsDebian:13 |
before 2024.01.13-5 | 2024.01.13-5 |
quickjsDebian:14 |
before 2024.01.13-5 | 2024.01.13-5 |
quickjsUbuntu:Pro:24.04:LTS |
before 2021.03.27-1ubuntu0.1~esm1, plus listed versions 2021.03.27-1 |
2021.03.27-1ubuntu0.1~esm1 |
quickjsUbuntu:Pro:24.04:LTS From an advisory covering 3 CVEs |
before 2021.03.27-1ubuntu0.1~esm1, plus listed versions 2021.03.27-1 |
2021.03.27-1ubuntu0.1~esm1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2024-33263 is a medium vulnerability (CVSS 4.0) in Bellard Quickjs, published April 26, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.32%, the 24th percentile. Fixed in quickjs 2024.01.13-5.