Apache HTTP Server up to 2.4.53 Lua Script r:parsebody allocation of resources

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.1 | $0-$5k | 0.00 |
Summary
A vulnerability described as problematic has been identified in Apache HTTP Server up to 2.4.53. This affects the function r:parsebody of the component Lua Script Handler. The manipulation results in allocation of resources.
This vulnerability was named CVE-2022-29404. The attack may be performed from remote. There is no available exploit.
Upgrading the affected component is recommended.
Details
A vulnerability classified as problematic has been found in Apache HTTP Server up to 2.4.53 (Web Server). Affected is the function r:parsebody of the component Lua Script Handler. The manipulation with an unknown input leads to a allocation of resources vulnerability. CWE is classifying the issue as CWE-770. The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor. This is going to have an impact on availability.
The weakness was presented 06/09/2022. The advisory is shared for download at openwall.com. This vulnerability is traded as CVE-2022-29404 since 04/16/2022. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1499.
The vulnerability scanner Nessus provides a plugin with the ID 247826 (TencentOS Server 2: httpd (TSSA-2025:0526)), which helps to determine the existence of the flaw in a target environment.
Upgrading to version 2.4.54 eliminates this vulnerability. The upgrade is hosted for download at httpd.apache.org.
The vulnerability is also documented in the vulnerability database at Tenable (247826). VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Type
Vendor
Name
Version
- 2.4.0
- 2.4.1
- 2.4.2
- 2.4.3
- 2.4.4
- 2.4.5
- 2.4.6
- 2.4.7
- 2.4.8
- 2.4.9
- 2.4.10
- 2.4.11
- 2.4.12
- 2.4.13
- 2.4.14
- 2.4.15
- 2.4.16
- 2.4.17
- 2.4.18
- 2.4.19
- 2.4.20
- 2.4.21
- 2.4.22
- 2.4.23
- 2.4.24
- 2.4.25
- 2.4.26
- 2.4.27
- 2.4.28
- 2.4.29
- 2.4.30
- 2.4.31
- 2.4.32
- 2.4.33
- 2.4.34
- 2.4.35
- 2.4.36
- 2.4.37
- 2.4.38
- 2.4.39
- 2.4.40
- 2.4.41
- 2.4.42
- 2.4.43
- 2.4.44
- 2.4.45
- 2.4.46
- 2.4.47
- 2.4.48
- 2.4.49
- 2.4.50
- 2.4.51
- 2.4.52
- 2.4.53
License
Website
- Vendor: https://www.apache.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 5.1
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Allocation of resourcesCWE: CWE-770 / CWE-400 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 247826
Nessus Name: TencentOS Server 2: httpd (TSSA-2025:0526)
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: HTTP Server 2.4.54
Timeline
04/16/2022 🔍06/09/2022 🔍
06/09/2022 🔍
08/11/2025 🔍
Sources
Vendor: apache.orgAdvisory: openwall.com
Status: Confirmed
CVE: CVE-2022-29404 (🔍)
GCVE (CVE): GCVE-0-2022-29404
GCVE (VulDB): GCVE-100-201528
Entry
Created: 06/09/2022 23:19Updated: 08/11/2025 22:43
Changes: 06/09/2022 23:19 (42), 06/11/2022 14:07 (1), 08/11/2025 22:43 (16)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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