CVE-2014-3676

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 5.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2014-10-22 · updated 2026-06-17
Weakness: CWE-787

Description

Heap-based buffer overflow in Shim allows remote attackers to execute arbitrary code via a crafted IPv6 address, related to the "tftp:// DHCPv6 boot option."

Affected products

Red Hat Bootloader Team shim: from 0.3 before 0.8 — fixed in 0.8

How to fix

Upgrade to a fixed version: Red Hat Bootloader Team shim 0.8. Check the vendor advisory for mitigations.

References

http://rhn.redhat.com/errata/RHSA-2014-1801.html
http://www.openwall.com/lists/oss-security/2014/10/13/4
http://www.securityfocus.com/bid/70409
https://exchange.xforce.ibmcloud.com/vulnerabilities/96988
http://rhn.redhat.com/errata/RHSA-2014-1801.html
http://www.openwall.com/lists/oss-security/2014/10/13/4
http://www.securityfocus.com/bid/70409
https://exchange.xforce.ibmcloud.com/vulnerabilities/96988

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