CVE-2017-7793 — Use After Free in Mozilla Firefox
Severity
9.8CRITICALNVD
EPSS
2.4%
top 14.80%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJun 11
Latest updateMay 14
Description
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.
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 Packages11 packages
Also affects: Debian Linux 7.0, 8.0, 9.0, Enterprise Linux 5.0, 6.0, 7.0, 7.3, 7.4, 7.5
Patches
🔴Vulnerability Details
6GHSA▶
GHSA-56mj-fm7c-959m: 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 potenti↗2022-05-14
CVEList▶
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 in use, resulting in a potenti↗2018-06-11
OSV▶
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 in use, resulting in a potenti↗2018-06-11