CVE-2015-6781
CVE-2015-6781 is a high-severity vulnerability in Google Chrome 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-189.
Key facts
- Severity: High (CVSS 2.0 base score 7.5)
- EPSS exploit prediction: 2% (73rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-189
- Affected product: Google Chrome
- Published:
- Last modified:
Description
Integer overflow in the FontData::Bound function in data/font_data.cc in Google sfntly, as used in Google Chrome before 47.0.2526.73, allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted offset or length value within font data in an SFNT container.
Frequently asked questions
- What is CVE-2015-6781?
- Integer overflow in the FontData::Bound function in data/font_data.cc in Google sfntly, as used in Google Chrome before 47.0.2526.73, allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted offset or length value within font data in an SFNT container.
- How severe is CVE-2015-6781?
- CVE-2015-6781 has a CVSS 2.0 base score of 7.5, rated high severity.
- Is CVE-2015-6781 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2015-6781?
- CVE-2015-6781 affects Google Chrome. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2015-6781?
- 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-2015-6781 published?
- CVE-2015-6781 was published on 2015-12-06 and last updated on 2026-06-17.
References
- http://googlechromereleases.blogspot.com/2015/12/stable-channel-update.html
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00016.html
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00017.html
- http://www.debian.org/security/2015/dsa-3415
- http://www.securityfocus.com/bid/78416
- http://www.securitytracker.com/id/1034298
- https://code.google.com/p/chromium/issues/detail?id=497302
- https://codereview.chromium.org/1367323002/
- https://github.com/googlei18n/sfntly/commit/de776d4ef06ca29c240de3444348894f032b03ff
- https://security.gentoo.org/glsa/201603-09
Affected products (1)
- cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
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