Heap-based buffer overflow in giffix.c in giffix in giflib 5.1.1 allows attackers to cause a denial of service (program crash) via crafted image and logical screen width fields in a GIF file.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2015-7555 from the MITRE CVE dictionary dictionary and NIST NVD.
This issue affects the versions of giflib 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 issue. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.
NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.
| Base Score | 5.1 |
|---|---|
| Base Metrics | AV:N/AC:H/Au:N/C:P/I:P/A:P |
| Access Vector | Network |
| Access Complexity | High |
| 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 | Package | State |
|---|---|---|
| Red Hat Enterprise Linux OpenStack Platform 7.0 Operational Tools for RHEL 7 | phantomjs | Not affected |
| Red Hat Enterprise Linux 7 | giflib | Will not fix |
| Red Hat Enterprise Linux 6 | giflib | Will not fix |
| Red Hat Enterprise Linux 5 | giflib | Will not fix |
Vulmon