CVE-2023-48183
QuickJS before c4cdd61 has a build_for_in_iterator NULL pointer dereference because of an...
QuickJS before c4cdd61 has a build_for_in_iterator NULL pointer dereference because of an erroneous lexical scope of "this" with eval.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
7.5
QuickJS before c4cdd61 has a build_for_in_iterator NULL pointer dereference because of an erroneous lexical scope of "this" with eval.
- Record
CVE-2023-48183- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-476
- Updated
- 2026-11-02
EUVDEUVD-2023-52263
7.5
QuickJS before c4cdd61 has a build_for_in_iterator NULL pointer dereference because of an erroneous lexical scope of "this" with eval.
- Record
EUVD-2023-52263- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-2c9q-jgx6-2qx7
7.5
QuickJS before c4cdd61 has a build_for_in_iterator NULL pointer dereference because of an...
QuickJS before c4cdd61 has a build_for_in_iterator NULL pointer dereference because of an erroneous lexical scope of "this" with eval.
- Record
GHSA-2c9q-jgx6-2qx7- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-476
- Updated
- 2026-11-02
NVD
7.5
QuickJS before c4cdd61 has a build_for_in_iterator NULL pointer dereference because of an erroneous lexical scope of "this" with eval.
- Record
CVE-2023-48183- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-476
- Updated
- 2026-11-02
OSV
7.5
QuickJS before c4cdd61 has a build_for_in_iterator NULL pointer dereference because of an erroneous lexical scope of "this" with eval.
- Record
CVE-2023-48183- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2023-48183
7.5
QuickJS before c4cdd61 has a build_for_in_iterator NULL pointer dereference because of an erroneous lexical scope of "this" with eval.
- Record
DEBIAN-CVE-2023-48183- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2023-48183
7.5
QuickJS before c4cdd61 has a build_for_in_iterator NULL pointer dereference because of an erroneous lexical scope of "this" with eval.
- Record
UBUNTU-CVE-2023-48183- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - 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 2024.01.13-1 | 2024.01.13-1 |
quickjsDebian:14 |
before 2024.01.13-1 | 2024.01.13-1 |
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-2023-48183 is a high vulnerability (CVSS 7.5) in Quickjs Project Quickjs, published April 23, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.64%, the 50th percentile. Fixed in quickjs 2024.01.13-1.
References
github.com/bellard/quickjs/issues/192
github.com/bellard/quickjs/commit/c4cdd61a3ed284cd760faf6b00bbf0cb908da077
nvd.nist.gov/vuln/detail/CVE-2023-48183
github.com/advisories/GHSA-2c9q-jgx6-2qx7
github.com/CVEProject/cvelistV5/tree/main/cves/2023/48xxx/CVE-2023-48183.json
security-tracker.debian.org/tracker/CVE-2023-48183