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CVE-2015-1242

20
FAUCET Score

CVE-2015-1242 describes a type confusion vulnerability in the ReduceTransitionElementsKind function of Google V8, affecting Google Chrome versions prior to 42.0.2311.90. This flaw allows remote attackers to trigger a denial of service or potentially other impacts through specially crafted JavaScript code. With a CVSS score of 7.5 (High), it has a low attack complexity and requires no authentication, enabling potential compromise of confidentiality, integrity, and availability. While no public exploit code or active exploitation is reported, the vulnerability received some community discussion and media coverage at the time of its disclosure.

Impacted Technologies

VendorProductVersion(s)CPE
14.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
14.10CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:14.10:*:*:*:*:*:*:*
15.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:*
<= 4.2.77.7CPE matchmatch criteria
cpe:2.3:a:google:v8:*:*:*:*:*:*:*:*
<= 42.0.2311.60CPE matchmatch criteria
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

AV:N/AC:L/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.70%
Probability of exploitation in next 30 days
EPSS Percentile
84.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0270 is in the 72nd percentile among its peer group of 51,553 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

redhatpatch availablevia redhat_api
Product: Supplementary for Red Hat Enterprise Linux 6Fixed in: chromium-browser-0:42.0.2311.90-1.el6_6
View patch

Vendor Advisories (1)

redhatCVE-2015-1242Important

chromium-browser: Type confusion in V8

Apr 14, 2015

References

googlechromereleases.blogspot.com / 2015/04/stable-channel-update_14.html
lists.opensuse.org / opensuse-updates/2015-04/msg00040.html
lists.opensuse.org / opensuse-updates/2015-11/msg00024.html
rhn.redhat.com / errata/RHSA-2015-0816.html
code.google.com / p/chromium/issues/detail
codereview.chromium.org / 1000893003
codereview.chromium.org / 1019033004
security.gentoo.org / glsa/201506-04
ubuntu.com / usn/usn-2570-1
debian.org / security/2015/dsa-3238
securitytracker.com / id/1032209