Apache Thrift up to 0.23.x THeaderTransport zlib Decompression denial of service

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 3.4 | $0-$5k | 3.82 |
Summary
A vulnerability, which was classified as problematic, has been found in Apache Thrift up to 0.23.x. The impacted element is an unknown function of the component THeaderTransport zlib Decompression Handler. This manipulation causes denial of service. This vulnerability is registered as CVE-2026-49158. No exploit is available. It is advisable to upgrade the affected component.
Details
A vulnerability was found in Apache Thrift up to 0.23.x. It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the component THeaderTransport zlib Decompression Handler. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability.
It is possible to read the advisory at lists.apache.org. This vulnerability is known as CVE-2026-49158. The exploitation appears to be easy. The technical details are unknown and an exploit is not publicly available.
Upgrading to version 0.24.0 eliminates this vulnerability.
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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: 3.5VulDB Meta Temp Score: 3.4
VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Denial of serviceCWE: CWE-404
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Partially
Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: Thrift 0.24.0
Timeline
07/26/2026 Advisory disclosed07/26/2026 VulDB entry created
07/26/2026 VulDB entry last update
Sources
Vendor: apache.orgAdvisory: lists.apache.org
Status: Confirmed
CVE: CVE-2026-49158 (🔒)
GCVE (CVE): GCVE-0-2026-49158
GCVE (VulDB): GCVE-100-383335
Entry
Created: 07/26/2026 18:22Changes: 07/26/2026 18:22 (52)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
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