Blame
| c654fb | flichtenheld | 2026-10-07 14:06:09 | 1 | # CVE-2026-88964 - Unsigned underflow and OOB access on malicious PUSH_UPDATE from server |
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| 3 | An integer underflow in OpenVPN on Windows and Android allows remote authenticated servers to cause a denial of service or memory disclosure via crafted domain search options. |
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| 5 | OpenVPN versions 2.7_alpha3 through 2.7.7 are affected. This is fixed in version 2.7.8. |
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| 7 | CVE Record: [CVE-2026-88964](https://www.cve.org/CVERecord?id=CVE-2026-88964) |
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| 9 | Github: |
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| 10 | * [OpenVPN/openvpn-private-issues#178](https://github.com/OpenVPN/openvpn-private-issues/issues/178) |
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| 12 | Release notes: |
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| 13 | * [openvpn-2.7.8](https://community.openvpn.net/ReleaseHistory#openvpn-278-released-7-october-2026) |
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| 15 | Reported-By: Cole Munz |