Double free vulnerability in the gdImagePngPtr function in libgd2 before 2.2.5 allows remote attackers to cause a denial of service via vectors related to a palette with no colors.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2017-6362 from the MITRE CVE dictionary dictionary and NIST NVD.
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
| CVSS3 Base Score | 5.3 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
| Attack Vector | Network |
| Attack Complexity | Low |
| Privileges Required | None |
| User Interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity Impact | None |
| Availability Impact | Low |
| Platform | Package | State |
|---|---|---|
| Red Hat Software Collections for Red Hat Enterprise Linux | rh-php70-php | Will not fix |
| Red Hat Software Collections for Red Hat Enterprise Linux | rh-php56-php | Will not fix |
| Red Hat Enterprise Linux 7 | php | Will not fix |
| Red Hat Enterprise Linux 7 | gd | Will not fix |
| Red Hat Enterprise Linux 7 | libwmf | Will not fix |
| Red Hat Enterprise Linux 6 | libwmf | Will not fix |
| Red Hat Enterprise Linux 6 | gd | Will not fix |
| Red Hat Enterprise Linux 6 | php | Will not fix |
| Red Hat Enterprise Linux 5 | gd | Will not fix |
| Red Hat Enterprise Linux 5 | php53 | Will not fix |
| Red Hat Enterprise Linux 5 | libwmf | Will not fix |
| Red Hat Enterprise Linux 5 | php | Will not fix |
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