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TI-2013-05832 Aliases CVE-2013-7098GHSA-5fg5-5jx7-ph2f

OpenConnect VPN client with GnuTLS before 5.02 contains a heap overflow if MTU is increased on reconnection.

Priority MEDIUM 45CWE-787Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

OpenConnect VPN client with GnuTLS before 5.02 contains a heap overflow if MTU is increased on reconnection.

Why it matters now

EPSS 0.01544 75th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:infradead:openconnect:*:*:*:*:*:*:*:*before 5.02VulnerableInfradead
  • cpe:2.3:a:infradead:openconnect:*:*:*:*:*:*:*:* Versions before 5.02 Vulnerable ·Infradead

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2013-7098
  2. 2026-10-03 Alias added: GHSA-5fg5-5jx7-ph2f

References

Advisory 1

  • TI-2020-10191 OpenConnect 8.09 has a buffer overflow, causing a denial of service (application crash)… CVSS 3.1CRITICAL 9.8
  • TI-2019-12221 process_http_response in OpenConnect before 8.05 has a Buffer Overflow when a malicious… CVSS 3.1CRITICAL 9.8
  • TI-2012-02835 Heap-based buffer overflow in OpenConnect 3.18 allows remote servers to cause a denial of… CVSS 2.0HIGH 7.8
  • TI-2020-09740 OpenConnect through 8.08 mishandles negative return values from X509_check_ function… CVSS 3.1MEDIUM 5.9
  • TI-2010-03706 OpenConnect before 2.25 does not properly validate X.509 certificates, which allows… CVSS 2.0MEDIUM 6.4
  • TI-2012-05090 Multiple stack-based buffer overflows in http.c in OpenConnect before 4.08 allow remote… CVSS 2.0MEDIUM 5.0
See all 9 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences