CVE Explorer
CVE-2026-2738
Buffer overflow in ovpn‑dco‑win version 2.8.0 allows local attackers to cause a system crash by sending too large packets to the remote peer when the AEAD tag appears at the end of the encrypted packet
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","platforms":["Windows"],"product":"ovpn-dco-win","repo":"https://github.com/OpenVPN/ovpn-dco-win/","vendor":"OpenVPN","versions":[{"status":"affected","version":"2.8.0"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:10d861deed5c486d5bdbeab7832030727cfb4e6f01e2b2bdbff0ffdc35052232 · sha256:66faf2b22d4afc90… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"HIGH","attackRequirements":"NONE","attackVector":"LOCAL","baseScore":5.6,"baseSeverity":"MEDIUM","exploitMaturity":"PROOF_OF_CONCEPT","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"PASSIVE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:P","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentia…
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:10d861deed5c486d5bdbeab7832030727cfb4e6f01e2b2bdbff0ffdc35052232 · sha256:66faf2b22d4afc90… · /containers/cna/metrics/0/cvssV4_0
CWE assertions
1 source assertion{"cweId":"CWE-131","description":"CWE-131 Incorrect Calculation of Buffer Size","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:10d861deed5c486d5bdbeab7832030727cfb4e6f01e2b2bdbff0ffdc35052232 · sha256:66faf2b22d4afc90… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"tags":["vendor-advisory"],"url":"https://community.openvpn.net/Security%20Announcements/CVE-2026-2738"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:10d861deed5c486d5bdbeab7832030727cfb4e6f01e2b2bdbff0ffdc35052232 · sha256:66faf2b22d4afc90… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.