The NaClSandbox::InitializeLayerTwoSandbox function in components/nacl/loader/sandbox_linux/nacl_sandbox_linux.cc in Google Chrome before 4…

published 2015-04-19 11 y ago modified 2026-06-17 4 mo ago also EUVD-2015-3381

cvss: 7.5; version 2.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.9%; EPSS 1.9% chance of exploitation in 30 days, percentile 79%
public exploits: 0; none known

The NaClSandbox::InitializeLayerTwoSandbox function in components/nacl/loader/sandbox_linux/nacl_sandbox_linux.cc in Google Chrome before 42.0.2311.90 does not have RLIMIT_AS and RLIMIT_DATA limits for Native Client (aka NaCl) processes, which might make it easier for remote attackers to conduct row-hammer attacks or have unspecified other impact by leveraging the ability to run a crafted program in the NaCl sandbox.

Exploit prediction

1.90% chance of exploitation in the next 30 days, higher than 79% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

code.google.com https://code.google.com/p/chromium/issues/detail?id=455839 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	2.0	7.5	AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness

CWE-264 Permissions, Privileges, and Access Controls

Technology feeds

Google Chrome rss critical rss

References

code.google.com /p/chromium/issues/detail?id=455839
exploit, vendor-advisory
lists.opensuse.org /opensuse-updates/2015-04/msg00040.html
vendor-advisory, third-party-advisory
googlechromereleases.blogspot.com /2015/04/stable-channel-update_14.html
release-notes, vendor-advisory
securityfocus.com /bid/72715
vdb-entry, third-party-advisory

Sources

CVE List CVE-2015-3335
NVD CVE-2015-3335

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary