CVE-2018-12178

Severity: critical (CVSS 9.1 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-03-27 · updated 2026-06-17
Weakness: CWE-119

Description

Buffer overflow in network stack for EDK II may allow unprivileged user to potentially enable escalation of privilege and/or denial of service via network.

Affected products

Extensible Firmware Interface Development Kit (EDK II): all versions

References

http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00046.html
https://edk2-docs.gitbooks.io/security-advisory/content/dns-pack-size-check.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ABTDKZK2G5XP6JCO3HXMPOA2NRTIYDZ/
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03912en_us
https://usn.ubuntu.com/4349-1/
http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00046.html
https://edk2-docs.gitbooks.io/security-advisory/content/dns-pack-size-check.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ABTDKZK2G5XP6JCO3HXMPOA2NRTIYDZ/
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03912en_us
https://usn.ubuntu.com/4349-1/

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