CVE-2017-7809 — Use After Free in Mozilla Firefox

CWE-416 — Use After Free10 documents8 sources
Severity
9.8CRITICALNVD
EPSS
2.3%
top 15.26%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
9
Mozilla FirefoxMozilla ThunderbirdDebian Linux+6 more
Timeline
PublishedJun 11
Latest updateMay 14

Description

A use-after-free vulnerability can occur when an editor DOM node is deleted prematurely during tree traversal while still bound to the document. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.

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 Packages5 packages

▶NVDmozilla/firefox< 55.0+1
▶NVDmozilla/thunderbird< 52.3.0

Also affects: Debian Linux 8.0, 9.0, Enterprise Linux 6.0, 7.0, 7.3, 7.4, 7.5

🔴Vulnerability Details

4
GHSA
GHSA-86cv-v7jv-38f6: A use-after-free vulnerability can occur when an editor DOM node is deleted prematurely during tree traversal while still bound to the document↗2022-05-14
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CVEList
CVE-2017-7809: A use-after-free vulnerability can occur when an editor DOM node is deleted prematurely during tree traversal while still bound to the document↗2018-06-11
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OSV
CVE-2017-7809: A use-after-free vulnerability can occur when an editor DOM node is deleted prematurely during tree traversal while still bound to the document↗2018-06-11
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OSV
thunderbird vulnerabilities↗2017-09-14
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📋Vendor Advisories

4
Ubuntu
Thunderbird vulnerabilities↗2017-09-14
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Ubuntu
Firefox vulnerabilities↗2017-08-15
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Red Hat
Mozilla: Use-after-free while deleting attached editor DOM node (MFSA 2017-19)↗2017-08-09
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Debian
CVE-2017-7809: firefox - A use-after-free vulnerability can occur when an editor DOM node is deleted prem...↗2017
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💬Community

1
Bugzilla
CVE-2017-7809 Mozilla: Use-after-free while deleting attached editor DOM node (MFSA 2017-19)↗2017-08-09
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CVE-2017-7809 — Use After Free in Mozilla Firefox | cvebase