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Fencer Intel
high 7.5

CVE-2014-7940 json

The collator implementation in i18n/ucol.cpp in International Components for Unicode (ICU) 52 through SVN revision 293126, as used in Googl…

published 2015-01-22 11 y ago modified 2026-06-17 4 mo ago also EUVD-2014-7790

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.1%
EPSS 2.1% chance of exploitation in 30 days, percentile 81%
public exploits
0
none known

Summary

The collator implementation in i18n/ucol.cpp in International Components for Unicode (ICU) 52 through SVN revision 293126, as used in Google Chrome before 40.0.2214.91, does not initialize memory for a data structure, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted character sequence.

Patch / fix

  • icu Debian 14, Debian 13, Debian 12 52.1-7.1

debian advisories DEBIAN-CVE-2014-7940

  • 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-2014-7940

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-2014-7940 updated cvss 6.4

ICU: uninitialized value use in the collation component

  • Red Hat Enterprise Linux 5 icu Red Hat Enterprise Linux 6 icu, libicu Red Hat Enterprise Linux 7 icu, libicu
    affected: no fix planned “Will not fix”
  • 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

2.07% chance of exploitation in the next 30 days, higher than 81% 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
  • CWE-399 Resource Management Errors
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.