Apache Portable Runtime 1.7.0 apr_encode integer overflow

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.6 | $5k-$25k | 0.00 |
Summary
A vulnerability marked as critical has been reported in Apache Portable Runtime 1.7.0. The impacted element is the function apr_encode. This manipulation causes integer overflow.
This vulnerability appears as CVE-2022-24963. There is no available exploit.
Details
A vulnerability classified as critical was found in Apache Portable Runtime 1.7.0. Affected by this vulnerability is the function apr_encode. The manipulation with an unknown input leads to a integer overflow vulnerability. The CWE definition for the vulnerability is CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:
Integer Overflow or Wraparound vulnerability in apr_encode functions of Apache Portable Runtime (APR) allows an attacker to write beyond bounds of a buffer. This issue affects Apache Portable Runtime (APR) version 1.7.0.
The weakness was presented 01/31/2023. The advisory is shared at lists.apache.org. This vulnerability is known as CVE-2022-24963 since 02/11/2022. Technical details are known, but no exploit is available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 09/13/2025).
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2023-0245). If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Affected
- Apache Portable Runtime (APR)
- Open Source CentOS
- Debian Linux
- Amazon Linux 2
- Red Hat Enterprise Linux
- IBM WebSphere Application Server
- NetApp Data ONTAP
- NetApp StorageGRID
- Ubuntu Linux
- IBM HTTP Server
- SUSE Linux
- Oracle Linux
- IBM Security Access Manager for Enterprise Single Sign-On
- Red Hat JBoss Core Services
- HCL Commerce
- IBM Business Automation Workflow
- IBM Rational ClearCase
- IBM Tivoli Monitoring
- Trellix ePolicy Orchestrator
- Hitachi Configuration Manager
- Hitachi Ops Center
- Red Hat JBoss Web Server
- RESF Rocky Linux
- F5 BIG-IP
Product
Vendor
Name
Version
License
Website
- Vendor: https://www.apache.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.6VulDB Meta Temp Score: 7.6
VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.8
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Integer overflowCWE: CWE-190 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
02/11/2022 🔍01/31/2023 🔍
01/31/2023 🔍
09/13/2025 🔍
Sources
Vendor: apache.orgAdvisory: lists.apache.org
Status: Confirmed
CVE: CVE-2022-24963 (🔍)
GCVE (CVE): GCVE-0-2022-24963
GCVE (VulDB): GCVE-100-219853
CERT Bund: WID-SEC-2023-0245 - Apache Portable Runtime (APR): Mehrere Schwachstellen
Entry
Created: 01/31/2023 18:53Updated: 09/13/2025 08:16
Changes: 01/31/2023 18:53 (37), 02/25/2023 20:02 (11), 03/27/2025 19:17 (16), 09/13/2025 08:16 (7)
Complete: 🔍
Cache ID: 216::103
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
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