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Fencer Intel
high 7.5

CVE-2015-1242 json

The ReduceTransitionElementsKind function in hydrogen-check-elimination.cc in Google V8 before 4.2.77.8, as used in Google Chrome before 42…

published 11y ago modified 4mo ago also EUVD-2015-1383

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.0%
EPSS 3.0% chance of exploitation in 30 days, percentile 87%
public exploits
0
none known

Summary

The ReduceTransitionElementsKind function in hydrogen-check-elimination.cc in Google V8 before 4.2.77.8, as used in Google Chrome before 42.0.2311.90, allows remote attackers to cause a denial of service or possibly have unspecified other impact via crafted JavaScript code that leverages "type confusion" in the check-elimination optimization.

Patch / fix

  • oxide-qt Ubuntu 14.04 LTS 1.6.5-0ubuntu0.14.04.1
  • chromium-browser Ubuntu 14.04 LTS 43.0.2357.81-0ubuntu0.14.04.1.1089

ubuntu advisories UBUNTU-CVE-2015-1242

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • chromium-browser RHEL 6 EXTRAS 42.0.2311.90-1.el6_6

red hat advisories RHSA-2015:0816

  • chromium openSUSE Tumbleweed 55.0.2883.75-3.1
  • chromium openSUSE Tumbleweed 113.0.5672.92-1.1

opensuse advisories openSUSE-SU-2024:10171-1openSUSE-SU-2024:12948-1

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2015-1242 updated cvss 6.8

chromium-browser: Type confusion in V8

  • Red Hat Enterprise Linux Desktop Supplementary (v. 6) chromium-browser 42.0.2311.90-1.el6_6 Red Hat Enterprise Linux Server Supplementary (v. 6) chromium-browser 42.0.2311.90-1.el6_6 Red Hat Enterprise Linux Workstation Supplementary (v. 6) chromium-browser 42.0.2311.90-1.el6_6
    fixed: vendor fix RHSA-2015:0816

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.95% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-09).

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

Technology feeds

References

Sources

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.