CVE-2017-5434 — Use After Free in Mozilla Firefox

CWE-416 — Use After Free12 documents7 sources
Severity
9.8CRITICALNVD
EPSS
1.9%
top 16.65%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
9
Mozilla FirefoxMozilla Firefox ESRMozilla Thunderbird+6 more
Timeline
PublishedJun 11
Latest updateMay 14

Description

A use-after-free vulnerability occurs when redirecting focus handling which results in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages12 packages

▶debiandebian/firefox< firefox 52.0.1-1 (sid)
▶CVEListV5mozilla/firefoxunspecified — 53
▶NVDmozilla/firefox< 45.9.0+2
▶debiandebian/firefox-esr< firefox 52.0.1-1 (sid)
▶CVEListV5mozilla/firefox_esrunspecified — 45.9+1

Also affects: Debian Linux 8.0

🔴Vulnerability Details

5
GHSA
GHSA-gj2p-wvm3-6j82: A use-after-free vulnerability occurs when redirecting focus handling which results in a potentially exploitable crash↗2022-05-14
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OSV
CVE-2017-5434: A use-after-free vulnerability occurs when redirecting focus handling which results in a potentially exploitable crash↗2018-06-11
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OSV
thunderbird vulnerabilities↗2017-05-16
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OSV
firefox regression↗2017-05-11
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OSV
firefox vulnerabilities↗2017-04-21
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📋Vendor Advisories

5
Ubuntu
Thunderbird vulnerabilities↗2017-05-16
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Ubuntu
Firefox regression↗2017-05-11
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Ubuntu
Firefox vulnerabilities↗2017-04-21
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Red Hat
Mozilla: Use-after-free during focus handling (MFSA 2017-11, MFSA 2017-12)↗2017-04-19
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Debian
CVE-2017-5434: firefox - A use-after-free vulnerability occurs when redirecting focus handling which resu...↗2017
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💬Community

1
Bugzilla
CVE-2017-5434 Mozilla: Use-after-free during focus handling (MFSA 2017-11, MFSA 2017-12)↗2017-04-19
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