Home/CVE/A use-after-free vulnerability can occur in the Fetch API when the worker or the associated window are freed when still
CVE

CVE-2017-7793

A use-after-free vulnerability can occur in the Fetch API when the worker or the associated window are freed when still

A use-after-free vulnerability can occur in the Fetch API when the worker or the associated window are freed when still in use, resulting in a potentially exploitable crash. This vulnerability affects Firefox < 56, Firefox ESR < 52.4, and Thunderbird < 52.4.

CRITICAL · CVSS 9.8 EPSS 0.02442
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules1 YARA rules0
⬡

Weakness Classification

CWE-416Use After Free
▤

Affected Products & Versions

10
debian linuxall versions
redhat enterprise linuxall versions
redhat enterprise linux desktopall versions
redhat enterprise linux serverall versions
redhat enterprise linux server ausall versions
redhat enterprise linux server eusall versions
redhat enterprise linux workstationall versions
mozilla thunderbird< 52.4.0
◈

Sigma Hunt Rules

1
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighSQLite Firefox Profile Data DB Access
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.0 · security@mozilla.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD11 Jun 2018 · 09:29 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

13
suse-csafopenSUSE-SU-2024:14572-1
suse-csafopenSUSE-SU-2024:10600-1
suse-csafopenSUSE-SU-2024:10601-1
suse-csafSUSE-SU-2017:2872-1
suse-csafSUSE-SU-2017:2872-2
🔗

References & Sources

10
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.securityfocus.com/bid/101055Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1039465Third Party AdvisoryVDB Entry
https://bugzilla.mozilla.org/show_bug.cgi?id=1371889Issue TrackingPatchVendor Advisory
https://lists.debian.org/debian-lts-announce/2017/11/msg00000.htmlThird Party Advisory
https://security.gentoo.org/glsa/201803-14Third Party Advisory
https://www.debian.org/security/2017/dsa-3987Third Party Advisory
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