RHSA-2026:48758
Vulnerability from csaf_redhat - Published: 2026-07-30 11:11 - Updated: 2026-08-25 19:28A flaw was found in pyOpenSSL. The set_cookie_generate_callback callback function can be used to generate DTLS cookies. When the callback returns a cookie string or byte sequence longer than 256 bytes, a buffer overflow can be triggered due to a missing bounds checking before copying the data to a fixed-size buffer provided by the underlying OpenSSL library.
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Red Hat Hardened Images:jaeger-main@aarch64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: Red Hat Hardened Images:jaeger-main@src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:jaeger-main@x86_64 | — |
Vendor Fix
fix
Workaround
|
A flaw was found in joserfc, a Python library for JSON Object Signing and Encryption (JOSE) standards. This vulnerability allows the library to accept JSON Web Tokens (JWTs) that include non-standard trailing padding. An attacker could exploit this to create malleable JWTs, potentially bypassing security mechanisms like token revocation or anti-replay protection. This could lead to unauthorized access or continued use of tokens that should be invalid.
A flaw was found in axios, a popular JavaScript library. An attacker can exploit this vulnerability by providing malicious form data containing deeply nested field names. This input triggers uncontrolled recursion within the formDataToJSON function, which is responsible for processing form data. The excessive recursion exhausts the application's JavaScript call stack, leading to a denial of service for the affected request or, in some cases, causing the entire application process to terminate.
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Red Hat Hardened Images:jaeger-main@aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:jaeger-main@src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:jaeger-main@x86_64 | — |
Vendor Fix
fix
Workaround
|
A flaw was found in axios. A remote attacker could exploit an uncontrolled recursion vulnerability in the formDataToJSON function by supplying FormData with field names containing deeply nested bracket segments. This could exhaust the JavaScript call stack, leading to a RangeError and causing a denial of service (DoS) through request failure or process termination in affected applications.
A flaw was found in axios. This vulnerability involves prototype pollution read-side gadgets within the basic authentication subfield handling. If an application is already susceptible to a separate prototype pollution issue and makes an axios request without specifying username or password in its authentication object, an attacker can inject malicious values. This allows for outbound request tampering, enabling the attacker to inject or replace basic authentication credentials in outgoing requests. Under specific application conditions, this could also lead to credential disclosure.
A flaw was found in axios when used in a Node.js deployment with the HTTP adapter. This vulnerability, known as Prototype Pollution, occurs because request interceptors can revert hardened request configurations, allowing an attacker to manipulate the Object.prototype.proxy property. If successfully exploited, an attacker can route affected plaintext HTTP requests through a malicious proxy, potentially observing sensitive data such as authentication headers and request bodies, and even returning their own responses.
A flaw was found in axios. A remote attacker could exploit an incomplete depth-limit bypass when the component serializes objects with specific top-level keys. By manipulating object keys and nested values during form or parameter serialization, an attacker can trigger a processing error. This can lead to a denial of service, making the affected request path unavailable to legitimate users.
A flaw was found in nanoid, a JavaScript library for generating unique string IDs. A remote attacker could exploit an integer overflow vulnerability by providing a specific input to the `nanoid(size)` function. This issue causes the internal random number generator to become predictable, leading to the generation of identical identifiers for session tokens, security tokens (Cross-Site Request Forgery (CSRF) tokens), and API keys. Such predictability could allow an attacker to bypass security measures that rely on unique and random identifiers.
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Red Hat Hardened Images:jaeger-main@aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:jaeger-main@src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:jaeger-main@x86_64 | — |
Vendor Fix
fix
Workaround
|
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],
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"details": "Upgrade to axios \u003e= 1.18.0 (1.x) or \u003e= 0.33.0 (0.x), which add recursion depth guards to formDataToJSON. If an immediate upgrade is not possible, validate and limit the nesting depth of FormData field names before passing them to axios.formToJSON() or before sending FormData through axios with Content-Type: application/json, and ensure error handling is in place to catch RangeError exceptions from this code path.",
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"name": "Uncontrolled Recursion"
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"title": "CVSS score applicability"
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],
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"category": "summary",
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"category": "external",
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"confidentialityImpact": "HIGH",
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"scope": "UNCHANGED",
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"ids": [
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"title": "Vulnerability description"
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"text": "axios: axios: Information disclosure via Prototype Pollution in Node HTTP adapter",
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{
"category": "general",
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"title": "CVSS score applicability"
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"summary": "https://github.com/axios/axios/commit/df53d7dd99b202fb194217abd127ae6a630e70dc",
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"title": "axios: axios: Information disclosure via Prototype Pollution in Node HTTP adapter"
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{
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"cwe": {
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"name": "Allocation of Resources Without Limits or Throttling"
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"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"
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"title": "axios: axios: Denial of Service via object serialization bypass"
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"cve": "CVE-2026-73086",
"cwe": {
"id": "CWE-1241",
"name": "Use of Predictable Algorithm in Random Number Generator"
},
"discovery_date": "2026-08-11T17:11:45.607696+00:00",
"ids": [
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"system_name": "Red Hat Bugzilla ID",
"text": "2514175"
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],
"notes": [
{
"category": "description",
"text": "A flaw was found in nanoid, a JavaScript library for generating unique string IDs. A remote attacker could exploit an integer overflow vulnerability by providing a specific input to the `nanoid(size)` function. This issue causes the internal random number generator to become predictable, leading to the generation of identical identifiers for session tokens, security tokens (Cross-Site Request Forgery (CSRF) tokens), and API keys. Such predictability could allow an attacker to bypass security measures that rely on unique and random identifiers.",
"title": "Vulnerability description"
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"text": "nanoid: nanoid: Predictable ID generation due to integer overflow",
"title": "Vulnerability summary"
},
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"text": "Important: This flaw in the nanoid JavaScript library allows a remote attacker to cause predictable ID generation by exploiting an integer overflow in the `nanoid(size)` function. This can lead to the compromise of session tokens, CSRF tokens, and API keys, bypassing security mechanisms. The attack requires specific conditions, contributing to its Important severity rather than Critical.",
"title": "Statement"
},
{
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"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"
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"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-73086"
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"summary": "https://github.com/ai/nanoid/commit/7087969281cab8ba8ae3babf1894e819068b3bb4",
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"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\nhttps://images.redhat.com/",
"product_ids": [
"Red Hat Hardened Images:jaeger-main@aarch64",
"Red Hat Hardened Images:jaeger-main@src",
"Red Hat Hardened Images:jaeger-main@x86_64"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:48758"
},
{
"category": "workaround",
"details": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.",
"product_ids": [
"Red Hat Hardened Images:jaeger-main@aarch64",
"Red Hat Hardened Images:jaeger-main@src",
"Red Hat Hardened Images:jaeger-main@x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 7.4,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
"version": "3.1"
},
"products": [
"Red Hat Hardened Images:jaeger-main@aarch64",
"Red Hat Hardened Images:jaeger-main@src",
"Red Hat Hardened Images:jaeger-main@x86_64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "nanoid: nanoid: Predictable ID generation due to integer overflow"
}
]
}
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.
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.