What is the CVSS score of CVE-2015-8540?

CVE-2015-8540 has a CVSS 3.0 base score of 8.8 (High). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 13.5%.

Is there a patch available for CVE-2015-8540?

Yes, a patch is available for CVE-2015-8540. Update the affected software to the latest version immediately.

Enterprise Linux Desktop Supplementary CVE-2015-8540

HIGH

Numeric Errors (CWE-189)

2016-04-14 cve@mitre.org

Buffer Overflow Enterprise Linux Desktop Supplementary Enterprise Linux Hpc Node Enterprise Linux Server Supplementary Enterprise Linux Workstation Supplementary Libpng Fedora Debian Linux

8.8

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

8.8 HIGH

AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Apr 14, 2016 - 14:59 cve.org

HIGH 8.8

DescriptionCVE.org

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.

AnalysisAI

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. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Epss exploitation probability 13.5%.

Technical ContextAI

This vulnerability is classified under CWE-189. 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. Affected products include: Redhat Enterprise Linux Desktop Supplementary, Redhat Enterprise Linux Hpc Node, Redhat Enterprise Linux Server Supplementary, Redhat Enterprise Linux Workstation Supplementary, Libpng. Version information: through 0.99.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.