RHSA-2026:49837
Vulnerability from csaf_redhat - Published: 2026-08-03 23:43 - Updated: 2026-08-17 04:46Summary
Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update
Severity
Important
Notes
Topic: An update for Red Hat Hardened Images RPMs is now available.
Details: This update includes the following RPMs:
thrift:
* perl-thrift-0.24.0-0.1.hum1 (noarch)
* python3-thrift-0.24.0-0.1.hum1 (aarch64, x86_64)
* thrift-0.24.0-0.1.hum1 (aarch64, x86_64)
* thrift-devel-0.24.0-0.1.hum1 (aarch64, x86_64)
* thrift-glib-0.24.0-0.1.hum1 (aarch64, x86_64)
* thrift-qt-0.24.0-0.1.hum1 (aarch64, x86_64)
* thrift-0.24.0-0.1.hum1.src (src)
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
A flaw was found in Apache Thrift Python bindings. This vulnerability involves the improper handling of highly compressed data, leading to a data amplification issue. An attacker could exploit this by providing specially crafted compressed input, which may cause the application to consume excessive resources. This could potentially result in a denial of service (DoS) for affected systems.
7.5 (High)
Affected products
Fixed
4 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Red Hat Hardened Images:thrift-main@aarch64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: Red Hat Hardened Images:thrift-main@noarch | — |
Vendor Fix
fix
|
|
| Unresolved product id: Red Hat Hardened Images:thrift-main@src | — |
Vendor Fix
fix
|
|
| Unresolved product id: Red Hat Hardened Images:thrift-main@x86_64 | — |
Vendor Fix
fix
|
Threats
Impact
Important
A flaw was found in Apache Thrift Python bindings. This vulnerability, stemming from improper validation of certificates with host mismatch, could allow a remote attacker to intercept and access sensitive information. The issue occurs when the Python client fails to adequately verify the server's certificate against its hostname, potentially enabling a man-in-the-middle (MITM) attack and leading to information disclosure.
5.9 (Medium)
Affected products
Fixed
4 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Red Hat Hardened Images:thrift-main@aarch64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: Red Hat Hardened Images:thrift-main@noarch | — |
Vendor Fix
fix
|
|
| Unresolved product id: Red Hat Hardened Images:thrift-main@src | — |
Vendor Fix
fix
|
|
| Unresolved product id: Red Hat Hardened Images:thrift-main@x86_64 | — |
Vendor Fix
fix
|
Threats
Impact
Moderate
References
18 references
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"title": "Vulnerability description"
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{
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"text": "thrift: Apache Thrift Python bindings: Denial of Service via data amplification",
"title": "Vulnerability summary"
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},
{
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"title": "CVSS score applicability"
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"title": "thrift: Apache Thrift Python bindings: Denial of Service via data amplification"
},
{
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"cwe": {
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"name": "Improper Certificate Validation"
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"ids": [
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"notes": [
{
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"text": "A flaw was found in Apache Thrift Python bindings. This vulnerability, stemming from improper validation of certificates with host mismatch, could allow a remote attacker to intercept and access sensitive information. The issue occurs when the Python client fails to adequately verify the server\u0027s certificate against its hostname, potentially enabling a man-in-the-middle (MITM) attack and leading to information disclosure.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "thrift: Apache Thrift Python bindings: Information disclosure due to improper certificate validation",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "Moderate: This flaw in Apache Thrift Python bindings could lead to information disclosure due to improper certificate validation, allowing a remote attacker with high attack complexity to intercept sensitive data without requiring user interaction or privileges. While Red Hat Enterprise Linux AI is not affected, OpenShift Container Platform, Red Hat OpenShift Update Service, and Confidential Compute Attestation are impacted where these bindings are used in network communication.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
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"Red Hat Hardened Images:thrift-main@src",
"Red Hat Hardened Images:thrift-main@x86_64"
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"scores": [
{
"cvss_v3": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.9,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
"version": "3.1"
},
"products": [
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"Red Hat Hardened Images:thrift-main@x86_64"
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"threats": [
{
"category": "impact",
"details": "Moderate"
}
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"title": "thrift: Apache Thrift Python bindings: Information disclosure due to improper certificate validation"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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