A vulnerability has been found in OVN Open Virtual Network and classified as problematic . This affects an unknown function of the component ICMP Error Response Generation . The manipulation leads to out-of-bounds read. This vulnerability is uniquely identified as CVE-2026-5265 . The attack is possible to be carried out remotely. No exploit exists. The affected component should be upgraded.
Full text archived locally
✦ AI Summary· Claude Sonnet
VDB-358488 · CVE-2026-5265 · GCVE-0-2026-5265
OVN OPEN VIRTUAL NETWORK ICMP ERROR RESPONSE GENERATION OUT-OF-BOUNDS
HISTORYDIFFRELATEJSONXMLCTI
CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score
5.1 $0-$5k 3.48+
Summaryinfo
A vulnerability was found in OVN Open Virtual Network and classified as problematic. This impacts an unknown function of the component ICMP Error Response Generation. The manipulation results in out-of-bounds. This vulnerability was named CVE-2026-5265. The attack may be performed from remote. There is no available exploit. It is suggested to upgrade the affected component.
Detailsinfo
A vulnerability classified as problematic has been found in OVN Open Virtual Network (the affected version is unknown). Affected is an unknown code of the component ICMP Error Response Generation. 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.
The advisory is shared for download at seclists.org. This vulnerability is traded as CVE-2026-5265. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.
Upgrading eliminates this vulnerability.
Productinfo
Vendor
OVN
Name
Open Virtual Network
CPE 2.3info
🔒
CPE 2.2info
🔒
CVSSv4info
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv3info
VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2info
Vector Complexity Authentication Confidentiality Integrity Availability
Unlock Unlock Unlock Unlock Unlock Unlock
Unlock Unlock Unlock Unlock Unlock Unlock
Unlock Unlock Unlock Unlock Unlock Unlock
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: 🔒
0-Day Unlock Unlock Unlock Unlock
Today Unlock Unlock Unlock Unlock
Threat Intelligenceinfo
Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍
Countermeasuresinfo
Recommended: Upgrade
Status: 🔍
0-Day Time: 🔒
Timelineinfo
04/21/2026 Advisory disclosed
04/21/2026 +0 days VulDB entry created
04/21/2026 +0 days VulDB entry last update
Sourcesinfo
Advisory: seclists.org
Status: Confirmed
CVE: CVE-2026-5265 (🔒)
GCVE (CVE): GCVE-0-2026-5265
GCVE (VulDB): GCVE-100-358488
Entryinfo
Created: 04/21/2026 16:36
Changes: 04/21/2026 16:36 (50)
Complete: 🔍
Cache ID: 99:95D:101
Discussion
No comments yet. Languages: en.
Please log in to comment.
◂ PreviousOverviewNext ▸