CVE-2022-25304

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

All versions of package opcua; all versions of package asyncua are vulnerable to Denial of Service (DoS) due to a missing limitation on the number of received chunks - per single session or in total for all concurrent sessions. An attacker can exploit this vulnerability by sending an unlimited number of huge chunks (e.g. 2GB each) without sending the Final closing chunk.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-770

Affected software

Vendor	Product	Versions
n/a	opcua	< unspecified
n/a	asyncua	< unspecified

References

https://github.com/FreeOpcUa/python-opcua/issues/1466Issue Tracking, Third Party Advisory
https://security.snyk.io/vuln/SNYK-PYTHON-ASYNCUA-2988731Third Party Advisory
https://security.snyk.io/vuln/SNYK-PYTHON-OPCUA-2988730Third Party Advisory
https://github.com/FreeOpcUa/python-opcua/issues/1466Issue Tracking, Third Party Advisory
https://security.snyk.io/vuln/SNYK-PYTHON-ASYNCUA-2988731Third Party Advisory
https://security.snyk.io/vuln/SNYK-PYTHON-OPCUA-2988730Third Party Advisory

Timeline

Published: Aug 23, 2022
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2022

CVE-2022-253056.1The WP Statistics WordPress plugin is vulnerable to Cross-Site Scripting due to insufficient escaping and sanitization of the IP parameter f CVE-2022-253066.1The WP Statistics WordPress plugin is vulnerable to Cross-Site Scripting due to insufficient escaping and sanitization of the browser parame CVE-2022-253076.1The WP Statistics WordPress plugin is vulnerable to Cross-Site Scripting due to insufficient escaping and sanitization of the platform param CVE-2022-253087.8A stack-based buffer overflow flaw was found in the Fribidi package. This flaw allows an attacker to pass a specially crafted file to the Fr CVE-2022-253095.5A heap-based buffer overflow flaw was found in the Fribidi package and affects the fribidi_cap_rtl_to_unicode() function of the fribidi-char CVE-2022-25315.3An issue has been discovered in GitLab EE affecting all versions starting from 12.5 before 15.0.5, all versions starting from 15.1 before 15 CVE-2022-253105.5A segmentation fault (SEGV) flaw was found in the Fribidi package and affects the fribidi_remove_bidi_marks() function of the lib/fribidi.c CVE-2022-253117.3A vulnerability has been identified in SINEC NMS (All versions >= V1.0.3 < V2.0), SINEC NMS (All versions < V1.0.3), SINEMA Server V14 (All CVE-2022-253129.1An XML external entity (XXE) injection vulnerability was discovered in the Any23 RDFa XSLTStylesheet extractor and is known to affect Any23 CVE-2022-253136.5In Expat (aka libexpat) before 2.4.5, an attacker can trigger stack exhaustion in build_model via a large nesting depth in the DTD element.CVE-2022-253147.5In Expat (aka libexpat) before 2.4.5, there is an integer overflow in copyString.CVE-2022-253159.8In Expat (aka libexpat) before 2.4.5, there is an integer overflow in storeRawNames.