CVE-2015-2716
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Description
The CVE Program describes this issue as:
Buffer overflow in the XML parser in Mozilla Firefox before 38.0, Firefox ESR 31.x before 31.7, and Thunderbird before 31.7 allows remote attackers to execute arbitrary code by providing a large amount of compressed XML data, a related issue to CVE-2015-1283.
Statement
This issue affects the version of expat package as shipped with Red Hat Enterprise Linux 5, 6 and 7. Red Hat Product Security has rated this issue as having Moderate security impact, a future update may address this flaw.
Red Hat Enterprise Linux 5 is now in Extended Life Cycle phase of the support and maintenance life cycle. This issue is not currently planned to be addressed in future updates.
Additional information
- Bugzilla 1220607: expat: Integer overflow leading to buffer overflow in XML_GetBuffer()
- FAQ: Frequently asked questions about CVE-2015-2716
Common Vulnerability Scoring System (CVSS) Score Details
Important note
CVSS scores for open source components depend on vendor-specific factors (e.g. version or build chain). Therefore, Red Hat's score and impact rating can be different from NVD and other vendors. Red Hat remains the authoritative CVE Naming Authority (CNA) source for its products and services (see Red Hat classifications).
| Red Hat | NVD | |
|---|---|---|
CVSS v2 Base Score | 6.8 | 7.5 |
Attack Vector | Network | Network |
Access Complexity | Medium | Low |
Authentication | None | None |
Confidentiality Impact | Partial | Partial |
Integrity Impact | Partial | Partial |
Availability Impact | Partial | Partial |
CVSS v2 Vector
Red Hat: AV:N/AC:M/Au:N/C:P/I:P/A:P
NVD: AV:N/AC:L/Au:N/C:P/I:P/A:P
Acknowledgements
Red Hat would like to thank Mozilla project for reporting this issue. Upstream acknowledges Ucha Gobejishvili as the original reporter.
Frequently Asked Questions
Why is Red Hat's CVSS v3 score or Impact different from other vendors?
My product is listed as "Under investigation" or "Affected", when will Red Hat release a fix for this vulnerability?
What can I do if my product is listed as "Will not fix"?
What can I do if my product is listed as "Fix deferred"?
What is a mitigation?
I have a Red Hat product but it is not in the above list, is it affected?
Why is my security scanner reporting my product as vulnerable to this vulnerability even though my product version is fixed or not affected?
My product is listed as "Out of Support Scope". What does this mean?
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