What’s Vulnerable › Vulnerabilities

CVE-2015-4590

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2015-06-22 · updated 2026-06-17
• Weakness: CWE-119

Description

The extractFrom function in Internals/QuotedString.cpp in Arduino JSON before 4.5 allows remote attackers to cause a denial of service (crash) via a JSON string with a \ (backslash) followed by a terminator, as demonstrated by "\\\0", which triggers a buffer overflow and over-read.

Affected products

• Arduino Json Project Arduino Json: through 4.4

References

• http://www.openwall.com/lists/oss-security/2015/06/16/6
• http://www.securityfocus.com/bid/75150
• https://github.com/bblanchon/ArduinoJson/blob/master/CHANGELOG.md
• https://github.com/bblanchon/ArduinoJson/commit/5e7b9ec688d79e7b16ec7064e1d37e8481a31e72
• https://github.com/bblanchon/ArduinoJson/pull/81
• http://www.openwall.com/lists/oss-security/2015/06/16/6
• http://www.securityfocus.com/bid/75150
• https://github.com/bblanchon/ArduinoJson/blob/master/CHANGELOG.md
• https://github.com/bblanchon/ArduinoJson/commit/5e7b9ec688d79e7b16ec7064e1d37e8481a31e72
• https://github.com/bblanchon/ArduinoJson/pull/81

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