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Fencer Intel
medium 4.3

CVE-2015-1263 json

The Spellcheck API implementation in Google Chrome before 43.0.2357.65 does not use an HTTPS session for downloading a Hunspell dictionary,…

published 2015-05-20 11 y ago modified 2026-06-17 4 mo ago also EUVD-2015-1404

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 62%
public exploits
0
none known

Summary

The Spellcheck API implementation in Google Chrome before 43.0.2357.65 does not use an HTTPS session for downloading a Hunspell dictionary, which allows man-in-the-middle attackers to deliver incorrect spelling suggestions or possibly have unspecified other impact via a crafted file.

Patch / fix

  • chromium-browser Ubuntu 14.04 LTS 43.0.2357.81-0ubuntu0.14.04.1.1089

ubuntu advisories UBUNTU-CVE-2015-1263

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 43.0.2357.65-1.el6_6

red hat advisories RHSA-2015:1023

  • 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-2015-1263 updated cvss 6.8

chromium-browser: insecure download of spellcheck dictionary in unspecified component

  • Red Hat Enterprise Linux Desktop Supplementary (v. 6) chromium-browser 43.0.2357.65-1.el6_6 Red Hat Enterprise Linux Server Supplementary (v. 6) chromium-browser 43.0.2357.65-1.el6_6 Red Hat Enterprise Linux Workstation Supplementary (v. 6) chromium-browser 43.0.2357.65-1.el6_6
    fixed: vendor fix RHSA-2015:1023

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

0.99% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

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.