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CVE-2018-6152

The implementation of the Page.downloadBehavior backend unconditionally marked downloaded files...

9.6 CriticalFix available

The implementation of the Page.downloadBehavior backend unconditionally marked downloaded files as safe, regardless of file type in Google Chrome prior to 66.0.3359.117 allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape via a crafted HTML page and user interaction.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

1.31%Up 0.7 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 9.6

The implementation of the Page.downloadBehavior backend unconditionally marked downloaded files as safe, regardless of file type in Google Chrome prior to 66.0.3359.117 allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape via a crafted HTML page and user interaction.

Record
CVE-2018-6152
CVSS 3.0
9.6 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CVSS 2.0
6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness
CWE-434
Updated
2026-11-02
CVE List No score

The implementation of the Page.downloadBehavior backend unconditionally marked downloaded files as safe, regardless of file type in Google Chrome prior to 66.0.3359.117 allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape via a crafted HTML page and user interaction.

Record
CVE-2018-6152
Updated
2026-11-02
EUVDEUVD-2018-17915 No score

The implementation of the Page.downloadBehavior backend unconditionally marked downloaded files as safe, regardless of file type in Google Chrome prior to 66.0.3359.117 allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape via a crafted HTML page and user interaction.

Record
EUVD-2018-17915
Updated
2026-11-03
GitHub AdvisoriesGHSA-gj69-jhg9-8m88 9.6

The implementation of the Page.downloadBehavior backend unconditionally marked downloaded files...

The implementation of the Page.downloadBehavior backend unconditionally marked downloaded files as safe, regardless of file type in Google Chrome prior to 66.0.3359.117 allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape via a crafted HTML page and user interaction.

Record
GHSA-gj69-jhg9-8m88
CVSS 3.0
9.6 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Weakness
CWE-434
Updated
2026-11-02
OSVRHSA-2018:2282 8.8

Red Hat Security Advisory: chromium-browser security update

Record
RHSA-2018:2282
CVSS 3.0
8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2018-6152 9.6

The implementation of the Page.downloadBehavior backend unconditionally marked downloaded files as safe, regardless of file type in Google Chrome prior to 66.0.3359.117 allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape via a crafted HTML page and user interaction.

Record
UBUNTU-CVE-2018-6152
CVSS 3.0
9.6 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Updated
2026-11-02
OSVMGASA-2018-0343 No score

Updated chromium-browser-stable packages fix security vulnerabilities

Chromium-browser 68.0.3440.106 fixes security issues:

Multiple flaws were found in the way Chromium 67.0.3396.87 processes various types of web content, where loading a web page containing malicious content could cause Chromium to crash, execute arbitrary code, or disclose sensitive information (CVE-2018-4117, CVE-2018-6044, CVE-2018-6153, CVE-2018-6154, CVE-2018-6155, CVE-2018-6156, CVE-2018-6157, CVE-2018-6158, CVE-2018-6159, CVE-2018-6160, CVE-2018-6161, CVE-2018-6162, CVE-2018-6163, CVE-2018-6164, CVE-2018-6165, CVE-2018-6166, CVE-2018-6167, CVE-2018-6168, CVE-2018-6169, CVE-2018-6170, CVE-2018-6171, CVE-2018-6172, CVE-2018-6173, CVE-2018-6174, CVE-2018-6175, CVE-2018-6176, CVE-2018-6177, CVE-2018-6178, CVE-2018-6179)

Upstream also reported for release 68.0.3440.75 that three additional flaws were fixed in earlier (unspecified) chromium releases but not listed in the release notes for those releases. (CVE-2018-6150, CVE-2018-6151, CVE-2018-6152)

Record
MGASA-2018-0343
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
chromium-browser
Debian:9
From an advisory covering 33 CVEs
 before 68.0.3440.75-1~deb9u1, plus listed versions
59.0.3071.104-159.0.3071.86-160.0.3112.72-160.0.3112.78-160.0.3112.78-1~deb9u1
Show 43 moreShow less
61.0.3163.100-161.0.3163.100-1~deb9u161.0.3163.100-262.0.3202.75-162.0.3202.75-1~deb9u162.0.3202.89-162.0.3202.89-1~deb9u163.0.3239.30-163.0.3239.40-163.0.3239.84-163.0.3239.84-1~deb9u164.0.3282.119-164.0.3282.119-1~deb9u164.0.3282.119-265.0.3325.146-165.0.3325.146-265.0.3325.146-365.0.3325.146-465.0.3325.73-165.0.3325.74-166.0.3359.117-166.0.3359.117-1~deb9u166.0.3359.139-166.0.3359.181-166.0.3359.22-166.0.3359.22-266.0.3359.22-366.0.3359.26-166.0.3359.26-267.0.3396.48-167.0.3396.56-167.0.3396.57-167.0.3396.62-167.0.3396.62-267.0.3396.79-167.0.3396.79-267.0.3396.87-167.0.3396.87-1~deb9u168.0.3440.17-168.0.3440.25-168.0.3440.33-168.0.3440.42-168.0.3440.7-1
68.0.3440.75-1~deb9u1
chromium-browser-stable
Mageia:6
From an advisory covering 32 CVEs
 before 68.0.3440.106-1.mga6
68.0.3440.106-1.mga6
chromium-browser
Red Hat:rhel_extras:6
From an advisory covering 31 CVEs
 before 0:68.0.3440.75-1.el6_10
0:68.0.3440.75-1.el6_10
chromium-browser-debuginfo
Red Hat:rhel_extras:6
From an advisory covering 31 CVEs
 before 0:68.0.3440.75-1.el6_10
0:68.0.3440.75-1.el6_10
chromium-browser
Ubuntu:16.04:LTS
 before 68.0.3440.75-0ubuntu0.16.04.1, plus listed versions
45.0.2454.101-0ubuntu1.120147.0.2526.73-0ubuntu1.121847.0.2526.106-0ubuntu1.122148.0.2564.82-0ubuntu1.122248.0.2564.116-0ubuntu1.1229
Show 32 moreShow less
49.0.2623.87-0ubuntu1.123249.0.2623.108-0ubuntu1.123350.0.2661.102-0ubuntu0.16.04.1.123751.0.2704.79-0ubuntu0.16.04.1.124252.0.2743.116-0ubuntu0.16.04.1.125053.0.2785.143-0ubuntu0.16.04.1.125453.0.2785.143-0ubuntu0.16.04.1.125755.0.2883.87-0ubuntu0.16.04.126356.0.2924.76-0ubuntu0.16.04.126857.0.2987.98-0ubuntu0.16.04.127658.0.3029.81-0ubuntu0.16.04.127758.0.3029.96-0ubuntu0.16.04.127958.0.3029.110-0ubuntu0.16.04.128159.0.3071.109-0ubuntu0.16.04.128959.0.3071.109-0ubuntu0.16.04.129160.0.3112.78-0ubuntu0.16.04.129360.0.3112.113-0ubuntu0.16.04.129861.0.3163.79-0ubuntu0.16.04.130061.0.3163.100-0ubuntu0.16.04.130662.0.3202.62-0ubuntu0.16.04.130862.0.3202.75-0ubuntu0.16.04.131362.0.3202.89-0ubuntu0.16.04.131562.0.3202.94-0ubuntu0.16.04.131763.0.3239.84-0ubuntu0.16.04.163.0.3239.132-0ubuntu0.16.04.164.0.3282.119-0ubuntu0.16.04.164.0.3282.140-0ubuntu0.16.04.164.0.3282.167-0ubuntu0.16.04.165.0.3325.181-0ubuntu0.16.04.166.0.3359.139-0ubuntu0.16.04.366.0.3359.181-0ubuntu0.16.04.167.0.3396.99-0ubuntu0.16.04.2
68.0.3440.75-0ubuntu0.16.04.1
oxide-qt
Ubuntu:16.04:LTS
 All versions, plus listed versions
1.9.5-0ubuntu11.10.3-0ubuntu0.15.10.11.10.3-0ubuntu0.15.10.21.11.3-0ubuntu31.11.4-0ubuntu1
Show 17 moreShow less
1.11.5-0ubuntu11.12.5-0ubuntu11.12.6-0ubuntu11.12.7-0ubuntu11.13.6-0ubuntu11.14.7-0ubuntu11.14.9-0ubuntu0.16.04.11.15.7-0ubuntu0.16.04.11.15.8-0ubuntu0.16.04.11.16.5-0ubuntu0.16.04.11.17.7-0ubuntu0.16.04.11.17.9-0ubuntu0.16.04.11.18.3-0ubuntu0.16.04.11.18.5-0ubuntu0.16.04.11.19.4-0ubuntu0.16.04.11.20.4-0ubuntu0.16.04.11.21.5-0ubuntu0.16.04.1
 None known
chromium-browser
Ubuntu:18.04:LTS
 before 68.0.3440.75-0ubuntu0.18.04.1, plus listed versions
61.0.3163.100-0ubuntu1.137862.0.3202.62-0ubuntu0.17.10.138062.0.3202.89-0ubuntu1.138662.0.3202.94-0ubuntu1.138863.0.3239.84-0ubuntu1
Show 9 moreShow less
63.0.3239.108-0ubuntu164.0.3282.119-0ubuntu164.0.3282.140-0ubuntu164.0.3282.167-0ubuntu165.0.3325.146-0ubuntu165.0.3325.181-0ubuntu166.0.3359.139-0ubuntu0.18.04.366.0.3359.181-0ubuntu0.18.04.167.0.3396.99-0ubuntu0.18.04.1
68.0.3440.75-0ubuntu0.18.04.1

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-6152 is a critical vulnerability (CVSS 9.6) in Google Chrome, published July 26, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.31%, the 70th percentile. Fixed in chromium-browser 68.0.3440.75-0ubuntu0.16.04.1.

References

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