First published: Tue Aug 08 2017(Updated: )
An out-of-bounds read occurs when applying style rules to pseudo-elements, such as ::first-line, using cached style data.
Credit: security@mozilla.org
Affected Software | Affected Version | How to fix |
---|---|---|
debian/firefox | 118.0.2-1 | |
debian/firefox-esr | 91.12.0esr-1~deb10u1 115.3.1esr-1~deb10u1 102.15.0esr-1~deb11u1 115.3.1esr-1~deb11u1 102.15.1esr-1~deb12u1 115.3.0esr-1~deb12u1 115.3.0esr-1 | |
Thunderbird | <52.3 | 52.3 |
Debian | =8.0 | |
Debian | =9.0 | |
Red Hat Enterprise Linux | =6.0 | |
Red Hat Enterprise Linux | =7.0 | |
Red Hat Enterprise Linux Desktop | =6.0 | |
Red Hat Enterprise Linux Desktop | =7.0 | |
Red Hat Enterprise Linux Server | =6.0 | |
Red Hat Enterprise Linux Server | =7.0 | |
Red Hat Enterprise Linux Server | =7.3 | |
Red Hat Enterprise Linux Server | =7.4 | |
Red Hat Enterprise Linux Server | =7.3 | |
Red Hat Enterprise Linux Server | =7.4 | |
Red Hat Enterprise Linux Server | =7.5 | |
Red Hat Enterprise Linux Workstation | =6.0 | |
Red Hat Enterprise Linux Workstation | =7.0 | |
Firefox | <55.0 | |
Firefox ESR | <52.3.0 | |
Thunderbird | <52.3.0 | |
Firefox | <55 | 55 |
Firefox ESR | <52.3 | 52.3 |
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(Found alongside the following vulnerabilities)
CVE-2017-7753 has a moderate severity rating due to the potential for out-of-bounds reads.
To fix CVE-2017-7753, update Thunderbird to version 52.3 or newer, or Firefox to versions specified in security advisories.
CVE-2017-7753 affects Firefox versions prior to 55.0.
Yes, Thunderbird versions below 52.3 are vulnerable to CVE-2017-7753.
Firefox ESR versions prior to 52.3 are vulnerable; users should update to specified later versions to mitigate this vulnerability.