How severe is CVE-2019-14865?

CVE-2019-14865 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2019-14865 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-14865?

CVE-2019-14865 affects Gnu Grub2. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-14865?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-14865 published?

CVE-2019-14865 was published on 2019-11-29 and last updated on 2026-06-17.

CVE-2019-14865

CVE-2019-14865 is a medium-severity vulnerability in Gnu Grub2 with a CVSS 3.x base score of 5.9. 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-267.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
CVSS v2: 4.9
EPSS exploit prediction: 0% (25th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-267
Affected product: Gnu Grub2
Published: 2019-11-29
Last modified: 2026-06-17

Description

A flaw was found in the grub2-set-bootflag utility of grub2. A local attacker could run this utility under resource pressure (for example by setting RLIMIT), causing grub2 configuration files to be truncated and leaving the system unbootable on subsequent reboots.

Frequently asked questions

What is CVE-2019-14865?: A flaw was found in the grub2-set-bootflag utility of grub2. A local attacker could run this utility under resource pressure (for example by setting RLIMIT), causing grub2 configuration files to be truncated and leaving the system unbootable on subsequent reboots.
How severe is CVE-2019-14865?: CVE-2019-14865 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2019-14865 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-14865?: CVE-2019-14865 affects Gnu Grub2. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-14865?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-14865 published?: CVE-2019-14865 was published on 2019-11-29 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:gnu:grub2:-:*:*:*:*:*:*:*

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