A use-after-free vulnerability during specific user interactions with the input method editor (IME) in some languages due to how events are handled. This results in a potentially exploitable crash but would require specific user interaction to trigger. This vulnerability affects Firefox < 54, Firefox ESR < 52.2, and Thunderbird < 52.2.
| Type | CWE ID | Description |
|---|---|---|
| text | N/A | Use-after-free with IME input |
| Version | Base score | Base severity | Vector |
|---|
| CAPEC ID | Description |
|---|
| Event | Date |
|---|
| Hyperlink | Resource |
|---|---|
| http://www.securityfocus.com/bid/99057 | vdb-entry x_refsource_BID |
| https://bugzilla.mozilla.org/show_bug.cgi?id=1359547 | x_refsource_CONFIRM |
| https://www.mozilla.org/security/advisories/mfsa2017-15/ | x_refsource_CONFIRM |
| https://www.debian.org/security/2017/dsa-3918 | vendor-advisory x_refsource_DEBIAN |
| http://www.securitytracker.com/id/1038689 | vdb-entry x_refsource_SECTRACK |
| https://www.debian.org/security/2017/dsa-3881 | vendor-advisory x_refsource_DEBIAN |
| https://access.redhat.com/errata/RHSA-2017:1440 | vendor-advisory x_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2017:1561 | vendor-advisory x_refsource_REDHAT |
| https://www.mozilla.org/security/advisories/mfsa2017-17/ | x_refsource_CONFIRM |
| https://www.mozilla.org/security/advisories/mfsa2017-16/ | x_refsource_CONFIRM |
| Version | Base score | Base severity | Vector |
|---|
| CAPEC ID | Description |
|---|
| Event | Date |
|---|
| Hyperlink | Resource |
|---|---|
| http://www.securityfocus.com/bid/99057 | vdb-entry x_refsource_BID x_transferred |
| https://bugzilla.mozilla.org/show_bug.cgi?id=1359547 | x_refsource_CONFIRM x_transferred |
| https://www.mozilla.org/security/advisories/mfsa2017-15/ | x_refsource_CONFIRM x_transferred |
| https://www.debian.org/security/2017/dsa-3918 | vendor-advisory x_refsource_DEBIAN x_transferred |
| http://www.securitytracker.com/id/1038689 | vdb-entry x_refsource_SECTRACK x_transferred |
| https://www.debian.org/security/2017/dsa-3881 | vendor-advisory x_refsource_DEBIAN x_transferred |
| https://access.redhat.com/errata/RHSA-2017:1440 | vendor-advisory x_refsource_REDHAT x_transferred |
| https://access.redhat.com/errata/RHSA-2017:1561 | vendor-advisory x_refsource_REDHAT x_transferred |
| https://www.mozilla.org/security/advisories/mfsa2017-17/ | x_refsource_CONFIRM x_transferred |
| https://www.mozilla.org/security/advisories/mfsa2017-16/ | x_refsource_CONFIRM x_transferred |