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7.5

Google Chrome before 43 may let attackers escape sandbox or crash

CVE-2015-1252 · published 11 years ago
Summary

Versions of Google Chrome earlier than 43.0.2357.65 contain a flaw in how a data buffer wraps around memory. An attacker who can send specially crafted data could bypass Chrome’s sandbox protection or cause the browser to crash. Updating Chrome to the latest version resolves the issue.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
google chrome <= 42.0.2311.152
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
debian debian_linux 8.0
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
Original advisory text
common/partial_circular_buffer.cc in Google Chrome before 43.0.2357.65 does not properly handle wraps, which allows remote attackers to bypass a sandbox protection mechanism or cause a denial of se...
common/partial_circular_buffer.cc in Google Chrome before 43.0.2357.65 does not properly handle wraps, which allows remote attackers to bypass a sandbox protection mechanism or cause a denial of service (out-of-bounds write) via vectors that trigger a write operation with a large amount of data, related to the PartialCircularBuffer::Write and PartialCircularBuffer::DoWrite functions.
References
Fix within
Internet-facing 14 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically (estimated)
  • Gives an attacker partial control (estimated)
Severity
7.5 High
Exploitation
2% chance of attack within 30 days
Type
CWE-119Buffer Overflow
Timeline
Published20 May 2015
Updated3 Nov 2026
First seen29 Sep 2026
Sources
CVE-2015-1252 · NVD
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