CVE-2015-8540
The MITRE CVE dictionary describes this issue as:
Integer underflow in the png_check_keyword function in pngwutil.c in libpng 0.90 through 0.99, 1.0.x before 1.0.66, 1.1.x and 1.2.x before 1.2.56, 1.3.x and 1.4.x before 1.4.19, and 1.5.x before 1.5.26 allows remote attackers to have unspecified impact via a space character as a keyword in a PNG image, which triggers an out-of-bounds read.
Find out more about CVE-2015-8540 from the MITRE CVE dictionary dictionary and NIST NVD.
CVSS v2 metrics
| 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).
Red Hat Security Errata
| Platform | Errata | Release Date |
|---|---|---|
| Red Hat Enterprise Linux Supplementary 5 (java-1.6.0-ibm) | RHSA-2016:0101 | 2016-02-02 |
| Red Hat Enterprise Linux Supplementary 5 (java-1.7.0-ibm) | RHSA-2016:0100 | 2016-02-02 |
| Red Hat Enterprise Linux Supplementary (v. 7) (java-1.7.1-ibm) | RHSA-2016:0099 | 2016-02-02 |
| Red Hat Enterprise Linux Supplementary (v. 6) (java-1.6.0-ibm) | RHSA-2016:0101 | 2016-02-02 |
| Red Hat Satellite 5.6 (RHEL v.6) (java-1.7.1-ibm) | RHSA-2016:1430 | 2016-07-18 |
| Red Hat Satellite 5.7 (RHEL v.6) (java-1.7.1-ibm) | RHSA-2016:1430 | 2016-07-18 |
| Red Hat Satellite 5.6 (RHEL v.5) (java-1.7.0-ibm) | RHSA-2016:1430 | 2016-07-18 |
| Red Hat Enterprise Linux Supplementary (v. 6) (java-1.7.1-ibm) | RHSA-2016:0099 | 2016-02-02 |
Affected Packages State
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise Linux 7 | libpng | Will not fix |
| Red Hat Enterprise Linux 7 | libpng12 | Will not fix |
| Red Hat Enterprise Linux 6 | libpng | Will not fix |
| Red Hat Enterprise Linux 5 | libpng | Will not fix |
CVE description copyright © 2017, The MITRE Corporation