Medium severity · published Apr 26, 2024
CVE-2024-33263
QuickJS commit 3b45d15 was discovered to contain an Assertion Failure via JS_FreeRuntime(JSRuntime *) at quickjs.c
4.0
CVSS
0.3%
EPSS
No
On KEV
Description
QuickJS commit 3b45d15 was discovered to contain an Assertion Failure via JS_FreeRuntime(JSRuntime *) at quickjs.c.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 24% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
QU
Quickjs · Bellard
2024-03-23 · source: NVD
UB
Ubuntu · Ubuntu
10.04 · source: CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-33263
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-33263
Exploit
https://github.com/bellard/quickjs/issues/277
More from Quickjs
7.8
CVE-2025-12745
QuickJS quickjs.c js_array_buffer_slice buffer over-read
7.8
CVE-2025-46687
quickjs-ng through 0.9.0 has a missing length check in JS_ReadString for a string, leading to a heap-based buffer overflow