CVE-2017-7753 — Out-of-bounds Read in Mozilla Firefox
Severity
9.1CRITICALNVD
EPSS
1.7%
top 17.56%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJun 11
Latest updateMay 14
Description
An out-of-bounds read occurs when applying style rules to pseudo-elements, such as ::first-line, using cached style data. 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:N/A:HExploitability: 3.9 | Impact: 5.2
Affected Packages10 packages
Also affects: Debian Linux 8.0, 9.0, Enterprise Linux 6.0, 7.0, 7.3, 7.4, 7.5
Patches
🔴Vulnerability Details
7GHSA▶
GHSA-f9rj-grmf-4hrc: An out-of-bounds read occurs when applying style rules to pseudo-elements, such as ::first-line, using cached style data↗2022-05-14
OSV▶
CVE-2017-7753: An out-of-bounds read occurs when applying style rules to pseudo-elements, such as ::first-line, using cached style data↗2018-06-11
CVEList▶
CVE-2017-7753: An out-of-bounds read occurs when applying style rules to pseudo-elements, such as ::first-line, using cached style data↗2018-06-11
📋Vendor Advisories
4Red Hat
▶
Debian▶
CVE-2017-7753: firefox - An out-of-bounds read occurs when applying style rules to pseudo-elements, such ...↗2017
💬Community
1Bugzilla▶
CVE-2017-7753 Mozilla: Out-of-bounds read with cached style data and pseudo-elements (MFSA 2017-19)↗2017-08-08