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Vulnerabilities / CVE-2018-12178

critical

CVE-2018-12178

edk2: improper DNS packet size check

Published Modified CWE 119
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.1CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Red Hat7.2CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:L

Trivy's own label is CRITICAL. Rated critical by NVD. Rated lower by Red Hat (high), Amazon (high), Oracle (high), Ubuntu (medium).

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 packages and fixed versions

SourcePackageFixed in
amazon linux 2edk2-aarch64, edk2-debuginfo, edk2-ovmf and 3 more20190308stable-1.amzn2.0.1
debian 11edk20~20181115.85588389-3
debian 12edk20~20181115.85588389-3
debian 13edk20~20181115.85588389-3
debian 14edk20~20181115.85588389-3
debian 8edk2no fix listed
debian 9edk20~20161202.7bbe0b3e-1+deb9u1
echoedk20~20181115.85588389-3
Oracle Linux 7AAVMF, OVMF1:1.2-5.el7
ubuntu 16.04edk20~20160408.ffea0a2c-2ubuntu0.1
ubuntu 16.04-ESMedk20~20160408.ffea0a2c-2ubuntu0.1
ubuntu 18.04edk20~20180205.c0d9813c-2ubuntu0.2
Show all 19 entries from 13 sources
SourcePackageFixed in
amazon linux 2edk2-aarch6420190308stable-1.amzn2.0.1
amazon linux 2edk2-debuginfo20190308stable-1.amzn2.0.1
amazon linux 2edk2-ovmf20190308stable-1.amzn2.0.1
amazon linux 2edk2-tools20190308stable-1.amzn2.0.1
amazon linux 2edk2-tools-doc20190308stable-1.amzn2.0.1
amazon linux 2edk2-tools-python20190308stable-1.amzn2.0.1
debian 11edk20~20181115.85588389-3
debian 12edk20~20181115.85588389-3
debian 13edk20~20181115.85588389-3
debian 14edk20~20181115.85588389-3
debian 8edk2no fix listed
debian 9edk20~20161202.7bbe0b3e-1+deb9u1
echoedk20~20181115.85588389-3
Oracle Linux 7AAVMF1:1.2-5.el7
Oracle Linux 7OVMF1:1.2-5.el7
ubuntu 16.04edk20~20160408.ffea0a2c-2ubuntu0.1
ubuntu 16.04-ESMedk20~20160408.ffea0a2c-2ubuntu0.1
ubuntu 18.04edk20~20180205.c0d9813c-2ubuntu0.2
ubuntu 18.04-ESMedk20~20180205.c0d9813c-2ubuntu0.2

References

All 12 references

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.