How severe is CVE-2015-8947?

CVE-2015-8947 has a CVSS 3.x base score of 7.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability high.

Is CVE-2015-8947 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-8947?

CVE-2015-8947 affects Harfbuzz Project Harfbuzz. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-8947?

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-2015-8947 published?

CVE-2015-8947 was published on 2016-07-19 and last updated on 2026-06-17.

CVE-2015-8947

CVE-2015-8947 is a high-severity vulnerability in Harfbuzz Project Harfbuzz with a CVSS 3.x base score of 7.6. 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-119.

Key facts

Severity: High (CVSS 3.x base score 7.6)
CVSS v2: 7.5
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Harfbuzz Project Harfbuzz
Published: 2016-07-19
Last modified: 2026-06-17

Description

hb-ot-layout-gpos-table.hh in HarfBuzz before 1.0.5 allows remote attackers to cause a denial of service (buffer over-read) or possibly have unspecified other impact via crafted data, a different vulnerability than CVE-2016-2052.

Frequently asked questions

What is CVE-2015-8947?: hb-ot-layout-gpos-table.hh in HarfBuzz before 1.0.5 allows remote attackers to cause a denial of service (buffer over-read) or possibly have unspecified other impact via crafted data, a different vulnerability than CVE-2016-2052.
How severe is CVE-2015-8947?: CVE-2015-8947 has a CVSS 3.x base score of 7.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability high.
Is CVE-2015-8947 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-8947?: CVE-2015-8947 affects Harfbuzz Project Harfbuzz. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-8947?: 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-2015-8947 published?: CVE-2015-8947 was published on 2016-07-19 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:harfbuzz_project:harfbuzz:*:*:*:*:*:*:*:*

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