Use-after-free vulnerabilities in lighttpd <= 1.4.50
Published Jun 17, 2024
5.3
MEDIUMCVSS 3.1
EPSS 0.67%
Description
There exists use-after-free vulnerabilities in lighttpd <= 1.4.50 request parsing which might read from invalid pointers to memory used in the same request, not from other requests.
Affected products
-
- Version -StatusaffectedConstraints<=1.4.50
- Version
No data.
-
- Version 0StatusaffectedConstraints<=1.4.50
- Version
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
PartialDecision
n/aAssessed Sep 15, 2025 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
2024–2026- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (6 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 0.67% (0.00667) | 50.10th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.66% (0.00662) | 46.63th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.22% (0.00219) | 42.50th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00044) | 12.15th | v3 (v2023.03.01) |
| Jul 10, 2024 | 0.04% (0.00044) | 10.55th | v3 (v2023.03.01) |
| Jun 18, 2024 | 0.04% (0.00045) | 15.48th | v3 (v2023.03.01) |
No CWE recorded.
References (6)
- https://9443417.fs1.hubspotusercontent-na1.net/hubfs/9443417/Security%20Advisories/2024/AMI-SA-2024002.pdf
- https://blogvdoo.wordpress.com/2018/11/06/giving-back-securing-open-source-iot-projects/#more-736
- https://github.com/lighttpd/lighttpd1.4/commit/d161f53de04bc826ce1bdaeb3dce2c72ca50a3f8
- https://github.com/lighttpd/lighttpd1.4/commit/df8e4f95614e476276a55e34da2aa8b00b1148e9
- https://www.kb.cert.org/vuls/id/312260
- https://www.runzero.com/blog/lighttpd/
Change history (0)
No recorded changes yet.