The YCbCrImageDataDeserializer::ToDataSourceSurface function in the YCbCr implementation in Mozilla Firefox before 39.0, Firefox ESR 31.x before 31.8 and 38.x before 38.1, and Thunderbird before 38.1 reads data from uninitialized memory locations, which has unspecified impact and attack vectors.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2015-2738 from the MITRE CVE dictionary dictionary and NIST NVD.
| Base Score | 6.8 |
|---|---|
| Base Metrics | AV:N/AC:M/Au:N/C:P/I:P/A:P |
| Access Vector | Network |
| Access Complexity | Medium |
| Authentication | None |
| Confidentiality Impact | Partial |
| Integrity Impact | Partial |
| Availability Impact | Partial |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
| Platform | Errata | Release Date |
|---|---|---|
| Red Hat Enterprise Linux 5 (thunderbird) | RHSA-2015:1455 | 2015-07-20 |
| Red Hat Enterprise Linux 6 (firefox) | RHSA-2015:1207 | 2015-07-03 |
| Red Hat Enterprise Linux 5 (firefox) | RHSA-2015:1207 | 2015-07-03 |
| Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server) (thunderbird) | RHSA-2015:1455 | 2015-07-20 |
| Red Hat Enterprise Linux 6 (thunderbird) | RHSA-2015:1455 | 2015-07-20 |
| Red Hat Enterprise Linux 7 (firefox) | RHSA-2015:1207 | 2015-07-03 |
| Red Hat Enterprise Linux 7 (thunderbird) | RHSA-2015:1455 | 2015-07-20 |
Vulmon