Not rated
CVE-2017-7753 An out-of-bounds read occurs when applying style rules to pseudo-elements, such as ::first-line, using cached style data
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Thunderbird 52.3 | earliest → < 52.3 | 52.3 |
| Firefox ESR 52.3 | earliest → < 52.3 | 52.3 |
| Firefox 55 | earliest → < 55 | 55 |
References
- www.mozilla.org www.mozilla.org
- www.mozilla.org www.mozilla.org
- DSA-3968 www.debian.org
- www.mozilla.org www.mozilla.org
- RHSA-2017:2456 access.redhat.com
- RHSA-2017:2534 access.redhat.com
- 100315 www.securityfocus.com
- bugzilla.mozilla.org bugzilla.mozilla.org
- 1039124 www.securitytracker.com
- GLSA-201803-14 security.gentoo.org
- DSA-3928 www.debian.org
Timeline
- Published
- Last modified
Other CVEs of Thunderbird
The 1713 CVEs of Thunderbird →
CVE-2026-118180
Matrix homeserver could redirect the chat session to a local file or network share
7.5
High
CVE-2026-118179
Request forgery via news: links
8.8
High
CVE-2026-118177
Calendar discovery accepted local file and remote network share locations
9.1
Critical
CVE-2026-118178
RSS feed could redirect its subscription to a local file or network share
5.7
Medium