CVE-2017-5404

CRITICAL

Debian Linux < 45.8.0 - Use After Free

Title source: rule
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2017-5404. PoCs published by Google Security Research.

AI-analyzed exploit summary This is a proof-of-concept exploit for a use-after-free vulnerability in Firefox (CVE-2017-5404). The PoC triggers the vulnerability by manipulating the DOM and forcing garbage collection, leading to a crash.

Description

A use-after-free error can occur when manipulating ranges in selections with one node inside a native anonymous tree and one node outside of it. This results in a potentially exploitable crash. This vulnerability affects Firefox < 52, Firefox ESR < 45.8, Thunderbird < 52, and Thunderbird < 45.8.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Google Security Research · htmldosmultiple
https://www.exploit-db.com/exploits/41660

This is a proof-of-concept exploit for a use-after-free vulnerability in Firefox (CVE-2017-5404). The PoC triggers the vulnerability by manipulating the DOM and forcing garbage collection, leading to a crash.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Moderate
Reliability
Reliable
Target: Mozilla Firefox (specific version not specified)
No auth needed
Prerequisites: domFuzzLite3 extension installed · Firefox browser
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (15)

Core 15
Core References
Exploit, Third Party Advisory, VDB Entry exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/41660/
Third Party Advisory vendor-advisory x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2017-0459.html
Vendor Advisory x_refsource_confirm
https://www.mozilla.org/security/advisories/mfsa2017-09/
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2017/dsa-3832
Exploit, Issue Tracking, Patch, Vendor Advisory x_refsource_confirm
https://bugzilla.mozilla.org/show_bug.cgi?id=1340138
Vendor Advisory x_refsource_confirm
https://www.mozilla.org/security/advisories/mfsa2017-07/
Vendor Advisory x_refsource_confirm
https://www.mozilla.org/security/advisories/mfsa2017-05/
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1037966
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/96664
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/201705-06
Third Party Advisory vendor-advisory x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2017-0461.html
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2017/dsa-3805
Vendor Advisory x_refsource_confirm
https://www.mozilla.org/security/advisories/mfsa2017-06/
Third Party Advisory vendor-advisory x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2017-0498.html
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/201705-07

Scores

CVSS v3 9.8
EPSS 0.2646
EPSS Percentile 96.5%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-416
Status published
Products (20)
debian/debian_linux 9.0
mozilla/firefox < 52.0
mozilla/thunderbird < 45.8.0
redhat/enterprise_linux 5.0
redhat/enterprise_linux 6.0
redhat/enterprise_linux 7.0
redhat/enterprise_linux_desktop 5.0
redhat/enterprise_linux_desktop 6.0
redhat/enterprise_linux_desktop 7.0
redhat/enterprise_linux_server 5.0
... and 10 more
Published Jun 11, 2018
Tracked Since Feb 18, 2026