Skip to content
Fencer Intel
high 7.5

CVE-2014-7923 json

The Regular Expressions package in International Components for Unicode (ICU) 52 before SVN revision 292944, as used in Google Chrome befor…

published 2015-01-22 11 y ago modified 2026-06-17 4 mo ago also EUVD-2014-7773

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.2%
EPSS 2.2% chance of exploitation in 30 days, percentile 82%
public exploits
0
none known

Summary

The Regular Expressions package in International Components for Unicode (ICU) 52 before SVN revision 292944, as used in Google Chrome before 40.0.2214.91, allows remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via vectors related to a look-behind expression.

Patch / fix

  • icu-project international_components_for_unicode 55.1
  • icu Debian 14, Debian 13, Debian 12 52.1-7.1

debian advisories DEBIAN-CVE-2014-7923

  • icu Ubuntu 14.04 LTS 52.1-3ubuntu0.2
  • oxide-qt Ubuntu 14.04 LTS 1.4.2-0ubuntu0.14.04.1
  • chromium-browser Ubuntu 14.04 LTS 40.0.2214.94-0ubuntu0.14.04.1.1068

ubuntu advisories UBUNTU-CVE-2014-7923

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 40.0.2214.91-1.el6_6

red hat advisories RHSA-2015:0093

  • 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

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-2014-7923 updated cvss 6.8

ICU: regexp engine missing look-behind expression range check

  • Red Hat Enterprise Linux 5 icu Red Hat Enterprise Linux 6 icu, libicu Red Hat Enterprise Linux 7 icu, libicu
    affected: no fix planned “Out of support scope”
  • Red Hat Enterprise Linux Desktop Supplementary (v. 6) chromium-browser 40.0.2214.91-1.el6_6 Red Hat Enterprise Linux Server Supplementary (v. 6) chromium-browser 40.0.2214.91-1.el6_6 Red Hat Enterprise Linux Workstation Supplementary (v. 6) chromium-browser 40.0.2214.91-1.el6_6
    fixed: vendor fix RHSA-2015:0093

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

2.22% chance of exploitation in the next 30 days, higher than 82% 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

Weakness
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.