CVE-2014-3676
CVE-2014-3676 is a high-severity vulnerability in Redhat Shim with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.
Key facts
- Severity: High (CVSS 2.0 base score 7.5)
- EPSS exploit prediction: 5% (92nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Redhat Shim
- Published:
- Last modified:
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."
Frequently asked questions
- What is CVE-2014-3676?
- 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."
- How severe is CVE-2014-3676?
- CVE-2014-3676 has a CVSS 2.0 base score of 7.5, rated high severity.
- Is CVE-2014-3676 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2014-3676?
- CVE-2014-3676 affects Redhat Shim. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2014-3676?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2014-3676 published?
- CVE-2014-3676 was published on 2014-10-22 and last updated on 2026-06-17.
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
Affected products (1)
- cpe:2.3:a:redhat:shim:*:*:*:*:*:*:*:*
More vulnerabilities in Redhat Shim
- CVE-2023-40547 — High (CVSS 8.3): A remote code execution vulnerability was found in Shim. The Shim boot support trusts attacker-controlled values when…
- CVE-2014-3677 — High (CVSS 7.5): Unspecified vulnerability in Shim might allow attackers to execute arbitrary code via a crafted MOK list, which…
- CVE-2023-40548 — High (CVSS 7.4): A buffer overflow was found in Shim in the 32-bit system. The overflow happens due to an addition operation involving a…
- CVE-2022-28737 — Medium (CVSS 6.5): There's a possible overflow in handle_image() when shim tries to load and execute crafted EFI executables; The…
- CVE-2023-40549 — Medium (CVSS 6.2): An out-of-bounds read flaw was found in Shim due to the lack of proper boundary verification during the load of a PE…
- CVE-2023-40546 — Medium (CVSS 6.2): A flaw was found in Shim when an error happened while creating a new ESL variable. If Shim fails to create the new…
All CVEs affecting Redhat Shim →
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