How severe is CVE-2016-4324?

CVE-2016-4324 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2016-4324 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-4324?

CVE-2016-4324 primarily affects Libreoffice. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-4324?

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-2016-4324 published?

CVE-2016-4324 was published on 2016-07-08 and last updated on 2026-06-17.

CVE-2016-4324

CVE-2016-4324 is a high-severity vulnerability in Libreoffice with a CVSS 3.x base score of 7.8. 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-20.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Libreoffice
Published: 2016-07-08
Last modified: 2026-06-17

Description

Use-after-free vulnerability in LibreOffice before 5.1.4 allows remote attackers to execute arbitrary code via a crafted RTF file, related to stylesheet and superscript tokens.

Frequently asked questions

What is CVE-2016-4324?: Use-after-free vulnerability in LibreOffice before 5.1.4 allows remote attackers to execute arbitrary code via a crafted RTF file, related to stylesheet and superscript tokens.
How severe is CVE-2016-4324?: CVE-2016-4324 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2016-4324 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-4324?: CVE-2016-4324 primarily affects Libreoffice. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-4324?: 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-2016-4324 published?: CVE-2016-4324 was published on 2016-07-08 and last updated on 2026-06-17.

References

Affected products (5)

cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:a:libreoffice:libreoffice:*:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*

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