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CVE-2026-78134

strongSwan 4.5.0 through 6.0.7 has Incorrect Access Control in the eap-ttls and eap-peap plugins...

7.1 HighFix available

strongSwan 4.5.0 through 6.0.7 has Incorrect Access Control in the eap-ttls and eap-peap plugins because there can be a missing or mismatched inner EAP identity.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
High
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
Low

Exploit likelihood

0.45%Up 0.1 points since Sep 11, 2026
90%50%10%1%

What each source reports

CVE List Score used 7.1

strongSwan 4.5.0 through 6.0.7 has Incorrect Access Control in the eap-ttls and eap-peap plugins because there can be a missing or mismatched inner EAP identity.

Record
CVE-2026-78134
CVSS 3.1
7.1 HighCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L
Weakness
CWE-863
Updated
2026-11-02
EUVDEUVD-2026-75920 7.1

strongSwan 4.5.0 through 6.0.7 has Incorrect Access Control in the eap-ttls and eap-peap plugins because there can be a missing or mismatched inner EAP identity.

Record
EUVD-2026-75920
CVSS 3.1
7.1 HighCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L
Updated
2026-11-02
GitHub AdvisoriesGHSA-rfvm-pvfp-c8vq 7.1

strongSwan 4.5.0 through 6.0.7 has Incorrect Access Control in the eap-ttls and eap-peap plugins...

strongSwan 4.5.0 through 6.0.7 has Incorrect Access Control in the eap-ttls and eap-peap plugins because there can be a missing or mismatched inner EAP identity.

Record
GHSA-rfvm-pvfp-c8vq
CVSS 3.1
7.1 HighCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L
Weakness
CWE-863
Updated
2026-11-02
NVD 7.1

strongSwan 4.5.0 through 6.0.7 has Incorrect Access Control in the eap-ttls and eap-peap plugins because there can be a missing or mismatched inner EAP identity.

Record
CVE-2026-78134
CVSS 3.1
7.1 HighCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L
Weakness
CWE-863
Updated
2026-11-02
OSV 7.1

strongSwan 4.5.0 through 6.0.7 has Incorrect Access Control in the eap-ttls and eap-peap plugins because there can be a missing or mismatched inner EAP identity.

Record
CVE-2026-78134
CVSS 3.1
7.1 HighCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L
Weakness
CWE-863
Updated
2026-11-02
OSVDEBIAN-CVE-2026-78134 7.1

strongSwan 4.5.0 through 6.0.7 has Incorrect Access Control in the eap-ttls and eap-peap plugins because there can be a missing or mismatched inner EAP identity.

Record
DEBIAN-CVE-2026-78134
CVSS 3.1
7.1 HighCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L
Updated
2026-11-02
Show 10 moreShow less
OSVUBUNTU-CVE-2026-78134 7.1

strongSwan 4.5.0 through 6.0.7 has Incorrect Access Control in the eap-ttls and eap-peap plugins because there can be a missing or mismatched inner EAP identity.

Record
UBUNTU-CVE-2026-78134
CVSS 3.1
7.1 HighCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L
Updated
2026-11-02
OSVAZL-100034 No score

CVE-2026-78134 affecting package strongswan for versions less than 5.9.14-11

strongSwan 4.5.0 through 6.0.7 has Incorrect Access Control in the eap-ttls and eap-peap plugins because there can be a missing or mismatched inner EAP identity.

Record
AZL-100034
Updated
2026-11-05
OSVopenSUSE-SU-2026:11749-1 No score

strongswan-6.1.0-1.1 on GA media

These are all security issues fixed in the strongswan-6.1.0-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2026:11749-1
Updated
2026-11-02
OSVopenSUSE-SU-2026:22050-1 No score

Security update for strongswan

This update for strongswan fixes the following issues:

  • CVE-2026-78123: Undefined Memory Access When Handling PKCS#7 Containers (bsc#1276533).
  • CVE-2026-78124: Memory Leak When Processing Certificates in PKCS#7 Containers (bsc#1276534).
  • CVE-2026-78126: NULL-Pointer Dereference When Handling AKA-Synchronization-Failure (bsc#1276536).
  • CVE-2026-78127: Memory Leak During Message Stringification (bsc#1276539).
  • CVE-2026-78129: Unbounded Iteration When Decrypting PKCS#7 Containers (bsc#1276540).
  • CVE-2026-78130: NULL-Pointer Dereference in Attribute Certificate Validation (bsc#1276541).
  • CVE-2026-78131: Memory Leaks When Parsing Attribute Certificates (bsc#1276543).
  • CVE-2026-78132: Infinite Loop When Parsing Attribute Certificates (bsc#1276544).
  • CVE-2026-78133: Use-After-Free During Multi-KE Rekey Collision (bsc#1276545).
  • CVE-2026-78134: Missing Inner EAP Method Authentication Details (bsc#1276548).
  • CVE-2026-78135: Creation of a Child SA Pre-Authentication (bsc#1276549).
Record
openSUSE-SU-2026:22050-1
Updated
2026-11-02
OSVSUSE-SU-2026:24199-1 No score

Security update for strongswan

This update for strongswan fixes the following issues:

  • CVE-2026-78123: Undefined Memory Access When Handling PKCS#7 Containers (bsc#1276533).
  • CVE-2026-78124: Memory Leak When Processing Certificates in PKCS#7 Containers (bsc#1276534).
  • CVE-2026-78126: NULL-Pointer Dereference When Handling AKA-Synchronization-Failure (bsc#1276536).
  • CVE-2026-78127: Memory Leak During Message Stringification (bsc#1276539).
  • CVE-2026-78129: Unbounded Iteration When Decrypting PKCS#7 Containers (bsc#1276540).
  • CVE-2026-78130: NULL-Pointer Dereference in Attribute Certificate Validation (bsc#1276541).
  • CVE-2026-78131: Memory Leaks When Parsing Attribute Certificates (bsc#1276543).
  • CVE-2026-78132: Infinite Loop When Parsing Attribute Certificates (bsc#1276544).
  • CVE-2026-78133: Use-After-Free During Multi-KE Rekey Collision (bsc#1276545).
  • CVE-2026-78134: Missing Inner EAP Method Authentication Details (bsc#1276548).
  • CVE-2026-78135: Creation of a Child SA Pre-Authentication (bsc#1276549).
Record
SUSE-SU-2026:24199-1
Updated
2026-11-02
OSVSUSE-SU-2026:4115-1 No score

Security update for strongswan

This update for strongswan fixes the following issues:

  • CVE-2026-47895: Double-Free When Destroying Certain Cloned Identities (bsc#1266360).
  • CVE-2026-78123: Undefined Memory Access When Handling PKCS#7 Containers (bsc#1276533).
  • CVE-2026-78124: Memory Leak When Processing Certificates in PKCS#7 Containers (bsc#1276534).
  • CVE-2026-78126: NULL-Pointer Dereference When Handling AKA-Synchronization-Failure (bsc#1276536).
  • CVE-2026-78127: Memory Leak During Message Stringification (bsc#1276539).
  • CVE-2026-78129: Unbounded Iteration When Decrypting PKCS#7 Containers (bsc#1276540).
  • CVE-2026-78130: NULL-Pointer Dereference in Attribute Certificate Validation (bsc#1276541).
  • CVE-2026-78131: Memory Leaks When Parsing Attribute Certificates (bsc#1276543).
  • CVE-2026-78132: Infinite Loop When Parsing Attribute Certificates (bsc#1276544).
  • CVE-2026-78134: Missing Inner EAP Method Authentication Details (bsc#1276548).
  • CVE-2026-78135: Creation of a Child SA Pre-Authentication (bsc#1276549).
Record
SUSE-SU-2026:4115-1
Updated
2026-11-02
OSVSUSE-SU-2026:4143-1 No score

Security update for strongswan

This update for strongswan fixes the following issues:

  • CVE-2026-78123: Undefined Memory Access When Handling PKCS#7 Containers (bsc#1276533).
  • CVE-2026-78124: Memory Leak When Processing Certificates in PKCS#7 Containers (bsc#1276534).
  • CVE-2026-78126: NULL-Pointer Dereference When Handling AKA-Synchronization-Failure (bsc#1276536).
  • CVE-2026-78127: Memory Leak During Message Stringification (bsc#1276539).
  • CVE-2026-78129: Unbounded Iteration When Decrypting PKCS#7 Containers (bsc#1276540).
  • CVE-2026-78130: NULL-Pointer Dereference in Attribute Certificate Validation (bsc#1276541).
  • CVE-2026-78131: Memory Leaks When Parsing Attribute Certificates (bsc#1276543).
  • CVE-2026-78132: Infinite Loop When Parsing Attribute Certificates (bsc#1276544).
  • CVE-2026-78134: Missing Inner EAP Method Authentication Details (bsc#1276548).
Record
SUSE-SU-2026:4143-1
Updated
2026-11-02
OSVSUSE-SU-2026:4146-1 No score

Security update for strongswan

This update for strongswan fixes the following issues:

  • CVE-2026-78123: Undefined Memory Access When Handling PKCS#7 Containers (bsc#1276533).
  • CVE-2026-78124: Memory Leak When Processing Certificates in PKCS#7 Containers (bsc#1276534).
  • CVE-2026-78126: NULL-Pointer Dereference When Handling AKA-Synchronization-Failure (bsc#1276536).
  • CVE-2026-78127: Memory Leak During Message Stringification (bsc#1276539).
  • CVE-2026-78129: Unbounded Iteration When Decrypting PKCS#7 Containers (bsc#1276540).
  • CVE-2026-78130: NULL-Pointer Dereference in Attribute Certificate Validation (bsc#1276541).
  • CVE-2026-78131: Memory Leaks When Parsing Attribute Certificates (bsc#1276543).
  • CVE-2026-78132: Infinite Loop When Parsing Attribute Certificates (bsc#1276544).
  • CVE-2026-78134: Missing Inner EAP Method Authentication Details (bsc#1276548).
  • CVE-2026-78135: Creation of a Child SA Pre-Authentication (bsc#1276549).
Record
SUSE-SU-2026:4146-1
Updated
2026-11-02
OSVSUSE-SU-2026:4152-1 No score

Security update for strongswan

This update for strongswan fixes the following issues:

  • CVE-2026-78123: Undefined Memory Access When Handling PKCS#7 Containers (bsc#1276533).
  • CVE-2026-78124: Memory Leak When Processing Certificates in PKCS#7 Containers (bsc#1276534).
  • CVE-2026-78126: NULL-Pointer Dereference When Handling AKA-Synchronization-Failure (bsc#1276536).
  • CVE-2026-78127: Memory Leak During Message Stringification (bsc#1276539).
  • CVE-2026-78129: Unbounded Iteration When Decrypting PKCS#7 Containers (bsc#1276540).
  • CVE-2026-78130: NULL-Pointer Dereference in Attribute Certificate Validation (bsc#1276541).
  • CVE-2026-78131: Memory Leaks When Parsing Attribute Certificates (bsc#1276543).
  • CVE-2026-78132: Infinite Loop When Parsing Attribute Certificates (bsc#1276544).
  • CVE-2026-78134: Missing Inner EAP Method Authentication Details (bsc#1276548).
Record
SUSE-SU-2026:4152-1
Updated
2026-11-02
OSVUSN-8789-1 No score

strongswan vulnerabilities

It was discovered that strongSwan incorrectly handled PKCS#7 containers in the openssl plugin. A remote attacker could possibly use this issue to cause strongSwan to crash, resulting in a denial of service. (CVE-2026-78123)

It was discovered that strongSwan incorrectly handled memory when enumerating certificates in PKCS#7 containers in the openssl plugin. A remote attacker could possibly use this issue to obtain sensitive information. (CVE-2026-78124)

It was discovered that strongSwan incorrectly handled AKA-Synchronization-Failure messages in the eap-aka plugin. A remote attacker could possibly use this issue to cause strongSwan to crash, resulting in a denial of service. (CVE-2026-78126)

It was discovered that strongSwan incorrectly handled memory when stringifying IKE messages. A remote attacker could possibly use this issue to obtain sensitive information. (CVE-2026-78127)

It was discovered that strongSwan incorrectly handled PKCS#5 decryption. A remote attacker could possibly use this issue to cause strongSwan to consume excessive resources, leading to a denial of service. (CVE-2026-78129)

It was discovered that strongSwan incorrectly handled attribute certificates in the x509 plugin when the issuer name was missing. A remote attacker could possibly use this issue to cause strongSwan to crash, resulting in a denial of service. (CVE-2026-78130)

It was discovered that strongSwan incorrectly handled memory when parsing attribute certificates in the x509 plugin. A remote attacker could possibly use this issue to obtain sensitive information. (CVE-2026-78131)

It was discovered that strongSwan incorrectly handled attribute certificates containing ietfAttrSyntax values in the x509 plugin. A remote attacker could possibly use this issue to cause strongSwan to consume excessive resources, leading to a denial of service. (CVE-2026-78132)

It was discovered that strongSwan incorrectly handled IKEv2 rekeying collisions with multi-key exchange. A remote attacker could possibly use this issue to execute arbitrary code. This issue only affected Ubuntu 26.04 LTS. (CVE-2026-78133)

It was discovered that strongSwan incorrectly validated inner EAP method authentication details in the eap-ttls and eap-peap plugins. An authenticated user could possibly use this issue to bypass authentication. (CVE-2026-78134)

It was discovered that strongSwan incorrectly handled CREATE_CHILD_SA requests on unestablished IKE_SAs. A remote attacker could possibly use this issue to bypass authentication. (CVE-2026-78135)

Record
USN-8789-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
strongswan
Azure Linux:3
 before 5.9.14-11
5.9.14-11
strongswan
Debian:12
 before 5.9.8-5+deb12u6, plus listed versions
5.9.8-55.9.8-5+deb12u15.9.8-5+deb12u25.9.8-5+deb12u35.9.8-5+deb12u45.9.8-5+deb12u5
5.9.8-5+deb12u6
strongswan
Debian:13
 before 6.0.1-6+deb13u7, plus listed versions
6.0.1-66.0.1-6+deb13u16.0.1-6+deb13u26.0.1-6+deb13u46.0.1-6+deb13u56.0.1-6+deb13u6
6.0.1-6+deb13u7
strongswan
Debian:14
 before 6.1.0-1, plus listed versions
6.0.1-66.0.2-16.0.3-16.0.4-16.0.5-16.0.6-16.0.7-1
6.1.0-1
strongswan
SUSE:Linux Enterprise Server 16.0
From an advisory covering 11 CVEs
 before 6.0.6-160000.3.1
6.0.6-160000.3.1
strongswan
SUSE:Linux Enterprise Server for SAP applications 16.0
From an advisory covering 11 CVEs
 before 6.0.6-160000.3.1
6.0.6-160000.3.1
strongswan
SUSE:Linux Enterprise Module for Basesystem 15 SP7
From an advisory covering 11 CVEs
 before 5.9.14-150700.3.21.2
5.9.14-150700.3.21.2
strongswan
SUSE:Linux Enterprise Module for Package Hub 15 SP7
From an advisory covering 11 CVEs
 before 5.9.14-150700.3.21.2
5.9.14-150700.3.21.2
strongswan
SUSE:Linux Enterprise Workstation Extension 15 SP7
From an advisory covering 11 CVEs
 before 5.9.14-150700.3.21.2
5.9.14-150700.3.21.2
strongswan
SUSE:Linux Enterprise Server 15 SP6-LTSS
From an advisory covering 9 CVEs
 before 5.9.12-150600.3.23.2
5.9.12-150600.3.23.2
Show 29 moreShow less
Affected packages
PackageAffectedFixed
strongswan
SUSE:Linux Enterprise Server for SAP Applications 15 SP6
From an advisory covering 9 CVEs
 before 5.9.12-150600.3.23.2
5.9.12-150600.3.23.2
strongswan
SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS
From an advisory covering 10 CVEs
 before 5.9.11-150400.19.40.2
5.9.11-150400.19.40.2
strongswan
SUSE:Linux Enterprise High Performance Computing 15 SP4-LTSS
From an advisory covering 10 CVEs
 before 5.9.11-150400.19.40.2
5.9.11-150400.19.40.2
strongswan
SUSE:Linux Enterprise Server 15 SP4-LTSS
From an advisory covering 10 CVEs
 before 5.9.11-150400.19.40.2
5.9.11-150400.19.40.2
strongswan
SUSE:Linux Enterprise Server for SAP Applications 15 SP4
From an advisory covering 10 CVEs
 before 5.9.11-150400.19.40.2
5.9.11-150400.19.40.2
strongswan
SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS
From an advisory covering 9 CVEs
 before 5.9.11-150500.5.28.2
5.9.11-150500.5.28.2
strongswan
SUSE:Linux Enterprise High Performance Computing 15 SP5-LTSS
From an advisory covering 9 CVEs
 before 5.9.11-150500.5.28.2
5.9.11-150500.5.28.2
strongswan
SUSE:Linux Enterprise Server 15 SP5-LTSS
From an advisory covering 9 CVEs
 before 5.9.11-150500.5.28.2
5.9.11-150500.5.28.2
strongswan
SUSE:Linux Enterprise Server for SAP Applications 15 SP5
From an advisory covering 9 CVEs
 before 5.9.11-150500.5.28.2
5.9.11-150500.5.28.2
strongswan
Ubuntu:Pro:14.04:LTS
 All versions, plus listed versions
4.6.4-95.1.0-25.1.0-35.1.1-0ubuntu15.1.1-0ubuntu2
Show 25 moreShow less
5.1.1-0ubuntu35.1.1-0ubuntu45.1.1-0ubuntu55.1.1-0ubuntu75.1.1-0ubuntu145.1.1-0ubuntu175.1.2~dr3+git20130120-0ubuntu25.1.2~dr3+git20130120-0ubuntu35.1.2~rc1-0ubuntu35.1.2~rc1-0ubuntu45.1.2~rc2-0ubuntu25.1.2-0ubuntu15.1.2-0ubuntu25.1.2-0ubuntu2.25.1.2-0ubuntu2.35.1.2-0ubuntu2.45.1.2-0ubuntu2.55.1.2-0ubuntu2.65.1.2-0ubuntu2.75.1.2-0ubuntu2.85.1.2-0ubuntu2.105.1.2-0ubuntu2.115.1.2-0ubuntu2.11+esm15.1.2-0ubuntu2.11+esm25.1.2-0ubuntu2.11+esm3
 None known
strongswan
Ubuntu:Pro:16.04:LTS
 All versions, plus listed versions
5.1.2-0ubuntu65.1.2-0ubuntu75.1.2-0ubuntu85.3.5-1ubuntu15.3.5-1ubuntu2
Show 12 moreShow less
5.3.5-1ubuntu35.3.5-1ubuntu3.15.3.5-1ubuntu3.25.3.5-1ubuntu3.35.3.5-1ubuntu3.45.3.5-1ubuntu3.55.3.5-1ubuntu3.75.3.5-1ubuntu3.85.3.5-1ubuntu3.8+esm15.3.5-1ubuntu3.8+esm25.3.5-1ubuntu3.8+esm35.3.5-1ubuntu3.8+esm4
 None known
strongswan
Ubuntu:Pro:FIPS-updates:16.04:LTS
 All versions, plus listed versions
5.3.5-1ubuntu3.fips.3.4.15.3.5-1ubuntu3.fips.3.4.25.3.5-1ubuntu3.fips.3.8.15.3.5-1ubuntu3.fips.3.8.25.3.5-1ubuntu3.fips.3.8.35.3.5-1ubuntu3.fips.3.8.65.3.5-1ubuntu3.fips.3.8.7
 None known
strongswan
Ubuntu:Pro:FIPS:16.04:LTS
 All versions, plus listed versions
5.3.5-1ubuntu3.fips.3.15.3.5-1ubuntu3.fips.3.25.3.5-1ubuntu3.fips.3.3
 None known
strongswan
Ubuntu:Pro:18.04:LTS
 All versions, plus listed versions
5.5.1-4ubuntu25.5.1-4ubuntu35.6.1-2ubuntu15.6.1-2ubuntu25.6.1-2ubuntu3
Show 11 moreShow less
5.6.1-2ubuntu45.6.2-1ubuntu25.6.2-1ubuntu2.25.6.2-1ubuntu2.35.6.2-1ubuntu2.45.6.2-1ubuntu2.55.6.2-1ubuntu2.65.6.2-1ubuntu2.75.6.2-1ubuntu2.85.6.2-1ubuntu2.95.6.2-1ubuntu2.9+esm1
 None known
strongswan
Ubuntu:Pro:FIPS-updates:18.04:LTS
 All versions, plus listed versions
5.6.2-1ubuntu2.fips.2.5.15.6.2-1ubuntu2.fips.2.7.15.6.2-1ubuntu2.fips.2.7.25.6.2-1ubuntu2.fips.2.8.15.6.2-1ubuntu2.fips.2.95.6.2-1ubuntu2.fips.2.9+esm1
 None known
strongswan
Ubuntu:Pro:FIPS:18.04:LTS
 All versions, plus listed versions
5.6.2-1ubuntu2.fips.2.4.25.6.2-1ubuntu2.fips.2.5.1
 None known
strongswan
Ubuntu:20.04:LTS
 All versions, plus listed versions
5.7.2-1ubuntu35.8.1-1ubuntu15.8.2-1ubuntu15.8.2-1ubuntu25.8.2-1ubuntu3
Show 6 moreShow less
5.8.2-1ubuntu3.15.8.2-1ubuntu3.25.8.2-1ubuntu3.35.8.2-1ubuntu3.45.8.2-1ubuntu3.55.8.2-1ubuntu3.6
 None known
strongswan
Ubuntu:Pro:FIPS-updates:20.04:LTS
 All versions, plus listed versions
5.8.2-1ubuntu3.fips.3.1.25.8.2-1ubuntu3.fips.3.3.15.8.2-1ubuntu3.fips.3.4.15.8.2-1ubuntu3.fips.3.55.8.2-1ubuntu3.fips.3.6
 None known
strongswan
Ubuntu:Pro:FIPS:20.04:LTS
 All versions, plus listed versions
5.8.2-1ubuntu3.fips.3.1.2
 None known
strongswan
Ubuntu:22.04:LTS
 before 5.9.5-2ubuntu2.8, plus listed versions
5.9.1-1ubuntu35.9.1-1ubuntu3.15.9.4-1ubuntu15.9.4-1ubuntu25.9.4-1ubuntu3
Show 10 moreShow less
5.9.4-1ubuntu45.9.5-2ubuntu15.9.5-2ubuntu25.9.5-2ubuntu2.15.9.5-2ubuntu2.25.9.5-2ubuntu2.35.9.5-2ubuntu2.45.9.5-2ubuntu2.55.9.5-2ubuntu2.65.9.5-2ubuntu2.7
5.9.5-2ubuntu2.8
strongswan
Ubuntu:Pro:FIPS-preview:22.04:LTS
 All versions, plus listed versions
5.9.5-2ubuntu2.1+Fips15.9.5-2ubuntu2.2+Fips1
 None known
strongswan
Ubuntu:Pro:FIPS-updates:22.04:LTS
 All versions, plus listed versions
5.9.5-2ubuntu2.1+Fips15.9.5-2ubuntu2.2+Fips15.9.5-2ubuntu2.3+Fips15.9.5-2ubuntu2.4+Fips15.9.5-2ubuntu2.5+Fips15.9.5-2ubuntu2.6+Fips15.9.5-2ubuntu2.7+Fips15.9.5-2ubuntu2.8+Fips1
 None known
strongswan
Ubuntu:24.04:LTS
 before 5.9.13-2ubuntu4.24.04.5, plus listed versions
5.9.11-1ubuntu15.9.11-1ubuntu25.9.12-1ubuntu15.9.13-2ubuntu15.9.13-2ubuntu3
Show 5 moreShow less
5.9.13-2ubuntu45.9.13-2ubuntu4.24.04.15.9.13-2ubuntu4.24.04.25.9.13-2ubuntu4.24.04.35.9.13-2ubuntu4.24.04.4
5.9.13-2ubuntu4.24.04.5
strongswan
Ubuntu:26.04:LTS
 before 6.0.4-1ubuntu3.2, plus listed versions
6.0.1-6ubuntu46.0.1-6ubuntu56.0.4-1ubuntu16.0.4-1ubuntu26.0.4-1ubuntu36.0.4-1ubuntu3.1
6.0.4-1ubuntu3.2
strongswan
Ubuntu:22.04:LTS
From an advisory covering 11 CVEs
 before 5.9.5-2ubuntu2.8, plus listed versions
5.9.1-1ubuntu35.9.1-1ubuntu3.15.9.4-1ubuntu15.9.4-1ubuntu25.9.4-1ubuntu3
Show 10 moreShow less
5.9.4-1ubuntu45.9.5-2ubuntu15.9.5-2ubuntu25.9.5-2ubuntu2.15.9.5-2ubuntu2.25.9.5-2ubuntu2.35.9.5-2ubuntu2.45.9.5-2ubuntu2.55.9.5-2ubuntu2.65.9.5-2ubuntu2.7
5.9.5-2ubuntu2.8
strongswan
Ubuntu:24.04:LTS
From an advisory covering 11 CVEs
 before 5.9.13-2ubuntu4.24.04.5, plus listed versions
5.9.11-1ubuntu15.9.11-1ubuntu25.9.12-1ubuntu15.9.13-2ubuntu15.9.13-2ubuntu3
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5.9.13-2ubuntu45.9.13-2ubuntu4.24.04.15.9.13-2ubuntu4.24.04.25.9.13-2ubuntu4.24.04.35.9.13-2ubuntu4.24.04.4
5.9.13-2ubuntu4.24.04.5
strongswan
Ubuntu:26.04:LTS
From an advisory covering 11 CVEs
 before 6.0.4-1ubuntu3.2, plus listed versions
6.0.1-6ubuntu46.0.1-6ubuntu56.0.4-1ubuntu16.0.4-1ubuntu26.0.4-1ubuntu36.0.4-1ubuntu3.1
6.0.4-1ubuntu3.2
strongswan
openSUSE:Tumbleweed
From an advisory covering 9 CVEs
 before 6.1.0-1.1
6.1.0-1.1
strongswan
openSUSE:Leap 16.0
From an advisory covering 11 CVEs
 before 6.0.6-160000.3.1
6.0.6-160000.3.1

History

History
RecordedChangedSources
affected
factsOSV
affected, aliasesOSV
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-78134 is a high vulnerability (CVSS 7.1) in Strongswan, published September 7, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.45%, the 39th percentile. Fixed in strongswan 5.9.14-11.

References

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