The collator implementation in i18n/ucol.cpp in International Components for Unicode…
Priority LOW 37CWE-399Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Partial · Partial · Partial
- Fix status
- Partial Red Hat: 3 fixed, 3 without a fix
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-399 and the CVSS impact.
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.
Why it matters now
EPSS 0.02068 81st percentileScored 2026-11-07
Fix Partial Red Hat: 1 advisoryRed Hat: 3 fixed, 3 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* | up to 40.0.2214.85 | Vulnerable | |
| cpe:2.3:a:icu-project:international_components_for_unicode:*:*:*:*:*:c\/c\+\+:*:* | up to 52.1 | Vulnerable | Icu-project |
- cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* Versions up to 40.0.2214.85 Vulnerable ·Google
- cpe:2.3:a:icu-project:international_components_for_unicode:*:*:*:*:*:c\/c\+\+:*:* Versions up to 52.1 Vulnerable ·Icu-project
Remediation
Red Hat 1 advisory
- RHSA-2015:0093 Released 2015-01-27 · Red Hat rating Importantchromium-browser security update
- 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
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 5 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux Desktop Supplementary (v. 6) | Fixed | RHSA-2015:0093 |
| Red Hat Enterprise Linux Server Supplementary (v. 6) | Fixed | RHSA-2015:0093 |
| Red Hat Enterprise Linux Workstation Supplementary (v. 6) | Fixed | RHSA-2015:0093 |
Timeline
- 2026-10-02 Threatist record created from CVE-2014-7940
- 2026-10-03 Alias added: GHSA-68vq-gw26-p643
References
Other 8
- http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html
- https://chromium.googlesource.com/chromium/src.git/+/87feb77547781a22b31c423bc0d57b7dca32d5b8
- http://googlechromereleases.blogspot.com/2015/01/stable-update.html
- http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html
- https://chromium.googlesource.com/chromium/deps/icu/+/866ff696e9022a6000afbab516fba62cfa306075
- https://code.google.com/p/chromium/issues/detail?id=433866
- http://advisories.mageia.org/MGASA-2015-0047.html
- https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html
Sources
- CVE-2014-7940 · CVE Program
- CVE-2014-7940 · NVD
- FIRST EPSS
- GHSA-68vq-gw26-p643 · GitHub Advisory Database · CC BY 4.0
- CVE-2014-7940 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences