A memory leak in the tls-crypt-v2 client key extraction in OpenVPN 2.5.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote attackers to… (CVE-2026-12932)
A memory leak vulnerability exists in the tls-crypt-v2 client key extraction component of OpenVPN versions 2.5.0 through 2.6.20 and 2.7_alpha1 through 2.7.4. This flaw allows remote attackers to cause a denial of service by exhausting memory resources through a flood of specially crafted packets. The issue is categorized under CWE-401 (memory leak). No known exploits are reported in the wild, and no official patch or fix information is currently provided.
AI Analysis
Technical Summary
The vulnerability identified as CVE-2026-12932 involves a memory leak in the tls-crypt-v2 client key extraction process within OpenVPN versions 2.5.0 to 2.6.20 and 2.7_alpha1 to 2.7.4. Remote attackers can exploit this flaw by sending a large volume of crafted packets, leading to memory exhaustion and denial of service conditions. The issue is categorized under CWE-401 (Improper Release of Memory Before Removing Last Reference). There is no indication of known exploits in the wild or vendor-provided patches at this time.
Potential Impact
Successful exploitation results in denial of service due to memory exhaustion on affected OpenVPN servers or clients. This can disrupt VPN connectivity and potentially impact network availability for users relying on the affected OpenVPN versions.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, consider limiting exposure to untrusted networks and monitoring for unusual traffic patterns that could indicate exploitation attempts.
A memory leak in the tls-crypt-v2 client key extraction in OpenVPN 2.5.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote attackers to… (CVE-2026-12932)
Description
A memory leak vulnerability exists in the tls-crypt-v2 client key extraction component of OpenVPN versions 2.5.0 through 2.6.20 and 2.7_alpha1 through 2.7.4. This flaw allows remote attackers to cause a denial of service by exhausting memory resources through a flood of specially crafted packets. The issue is categorized under CWE-401 (memory leak). No known exploits are reported in the wild, and no official patch or fix information is currently provided.
CVSS v4.0
Affected software
Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability identified as CVE-2026-12932 involves a memory leak in the tls-crypt-v2 client key extraction process within OpenVPN versions 2.5.0 to 2.6.20 and 2.7_alpha1 to 2.7.4. Remote attackers can exploit this flaw by sending a large volume of crafted packets, leading to memory exhaustion and denial of service conditions. The issue is categorized under CWE-401 (Improper Release of Memory Before Removing Last Reference). There is no indication of known exploits in the wild or vendor-provided patches at this time.
Potential Impact
Successful exploitation results in denial of service due to memory exhaustion on affected OpenVPN servers or clients. This can disrupt VPN connectivity and potentially impact network availability for users relying on the affected OpenVPN versions.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, consider limiting exposure to untrusted networks and monitoring for unusual traffic patterns that could indicate exploitation attempts.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-93p4-5c7j-q5rx
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-12932"]
- Ecosystems
- []
- Database Specific Severity
- HIGH
- Cvss Version
- 4.0
Threat ID: 6a6bde1a9c2644c7f8dcae73
Added to database: 07/30/2026, 23:28:26 UTC
Last enriched: 07/31/2026, 00:14:50 UTC
Last updated: 07/31/2026, 02:38:15 UTC
Views: 6
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.