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Heap-based buffer overflow in nokogiri

Moderate severity GitHub Reviewed Published Sep 17, 2018 to the GitHub Advisory Database • Updated Jul 5, 2023

Package

bundler nokogiri (RubyGems)

Affected versions

>= 1.6.0, <= 1.6.7.1

Patched versions

1.6.7.2

Description

Heap-based buffer overflow in the xmlGROW function in parser.c in libxml2 before 2.9.3. A remote attacker could provide a specially crafted XML or HTML file that, when processed by an application using libxml2, would cause that application to use an excessive amount of CPU, leak potentially sensitive information, or crash the application.

References

Published by the National Vulnerability Database Dec 15, 2015
Published to the GitHub Advisory Database Sep 17, 2018
Reviewed Jun 16, 2020
Last updated Jul 5, 2023

Severity

Moderate

EPSS score

Exploit Prediction Scoring System (EPSS)

This score estimates the probability of this vulnerability being exploited within the next 30 days. Data provided by FIRST.
(86th percentile)

Weaknesses

Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data. Learn more on MITRE.

CVE ID

CVE-2015-7499

GHSA ID

GHSA-jxjr-5h69-qw3w

Source code

No known source code
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