How severe is CVE-2017-15408?

CVE-2017-15408 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-15408 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-15408?

CVE-2017-15408 primarily affects Google Chrome. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-15408?

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-2017-15408 published?

CVE-2017-15408 was published on 2018-08-28 and last updated on 2026-06-17.

CVE-2017-15408

CVE-2017-15408 is a high-severity vulnerability in Google Chrome with a CVSS 3.x base score of 8.8. 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-119.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 2% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Google Chrome
Published: 2018-08-28
Last modified: 2026-06-17

Description

Heap buffer overflow in Omnibox in Google Chrome prior to 63.0.3239.84 allowed a remote attacker to potentially exploit heap corruption via a crafted PDF file that is mishandled by PDFium.

Frequently asked questions

What is CVE-2017-15408?: Heap buffer overflow in Omnibox in Google Chrome prior to 63.0.3239.84 allowed a remote attacker to potentially exploit heap corruption via a crafted PDF file that is mishandled by PDFium.
How severe is CVE-2017-15408?: CVE-2017-15408 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-15408 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-15408?: CVE-2017-15408 primarily affects Google Chrome. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-15408?: 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-2017-15408 published?: CVE-2017-15408 was published on 2018-08-28 and last updated on 2026-06-17.

References

Affected products (5)

cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*

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