Buffer overflow in Google Chrome

CVE-2015-6778

The CJBig2_SymbolDict class in fxcodec/jbig2/JBig2_SymbolDict.cpp in PDFium, as used in Google Chrome before 47.0.2526.73, allows remote attackers to cause a denial of service (out-of-bounds memory access) or possibly have unspecified other impact via a PDF document containing crafted data with JBIG2 compression.

Vulnerability class: Buffer Overflow

EPSS: 0.017 (74.6th percentile) — read the EPSS interpretation.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2015-6778?
CVE-2015-6778 is a vulnerability in Google Chrome, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2015-12-06.
Is CVE-2015-6778 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.