Systerel S2OPC 1.7.3 RepublishResponse out-of-bounds

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k1.83

Summaryinfo

A vulnerability, which was classified as critical, was found in Systerel S2OPC 1.7.3. Affected by this vulnerability is an unknown functionality of the component RepublishResponse Handler. The manipulation results in out-of-bounds. This vulnerability is known as CVE-2026-67865. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability was found in Systerel S2OPC 1.7.3. It has been classified as critical. Affected is some unknown functionality of the component RepublishResponse Handler. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

S2OPC 1.7.3 contains an out-of-bounds read in RepublishResponse handling. This allows a remote attacker to cause a denial of service

The advisory is available at gitlab.com. This vulnerability is traded as CVE-2026-67865 since 07/30/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The technical details are unknown and an exploit is not available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.3

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

07/30/2026 CVE reserved
08/05/2026 +6 days VulDB entry created
08/06/2026 +0 days Advisory disclosed
08/06/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: gitlab.com
Status: Confirmed

CVE: CVE-2026-67865 (🔒)
GCVE (CVE): GCVE-0-2026-67865
GCVE (VulDB): GCVE-100-386430

Entryinfo

Created: 08/06/2026 00:27
Changes: 08/06/2026 00:27 (52)
Complete: 🔍
Cache ID: 216::103

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