Upstream information
Description
Use-after-free vulnerability in the GIFReadNextExtension function in lib/pngxtern/gif/gifread.c in OptiPNG 0.6.2 and earlier allows context-dependent attackers to cause a denial of service (application crash) via a crafted GIF image that causes the realloc function to return a new pointer, which triggers memory corruption when the old pointer is accessed.SUSE information
Overall state of this security issue: Resolved
This issue is currently rated as having critical severity.
| National Vulnerability Database | |
|---|---|
| Base Score | 9.3 |
| Vector | AV:N/AC:M/Au:N/C:C/I:C/A:C |
| Access Vector | Network |
| Access Complexity | Medium |
| Authentication | None |
| Confidentiality Impact | Complete |
| Integrity Impact | Complete |
| Availability Impact | Complete |
| National Vulnerability Database | |
|---|---|
| Base Score | 7.8 |
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| Attack Vector | Local |
| Attack Complexity | Low |
| Privileges Required | None |
| User Interaction | Required |
| Scope | Unchanged |
| Confidentiality Impact | High |
| Integrity Impact | High |
| Availability Impact | High |
| CVSSv3 Version | 3.1 |
SUSE Security Advisories:
- SUSE-SR:2009:006, published Tue, 10 Mar 2009 15:00:00 +0000
- SUSE-SR:2009:012, published Fri, 03 Jul 2009 16:00:00 +0000
SUSE Timeline for this CVE
CVE page created: Fri Jun 28 03:40:24 2013CVE page last modified: Sat Sep 21 19:10:51 2024