Heap-based buffer overflow in the stagefright::ESDS::parseESDescriptor function in libstagefright in Mozilla Firefox before 40.0 and Firefox ESR 38.x before 38.2 allows remote attackers to execute arbitrary code via an invalid size field in an esds chunk in MPEG-4 video data, a related issue to CVE-2015-1539.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2015-4493 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 7 (firefox) | RHSA-2015:1586 | 2015-08-11 |
| Red Hat Enterprise Linux 6 (firefox) | RHSA-2015:1586 | 2015-08-11 |
| Red Hat Enterprise Linux 5 (firefox) | RHSA-2015:1586 | 2015-08-11 |
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise Linux 7 | thunderbird | Not affected |
| Red Hat Enterprise Linux 6 | thunderbird | Not affected |
| Red Hat Enterprise Linux 5 | thunderbird | Not affected |
Vulmon