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Mageia 7: 2020-0240 Critical: json-c Integer Overflow Issue

mageia
Calendar Grey May 29, 2020
Dist Mageia Esm H88
Recent json-c updates for Mageia fix the CVE-2020-12762 vulnerability, which may be exploited due to an integer overflow flaw.
Updated json-c package fixes security vulnerabilities: It was discovered that json-c through 0.14 has an integer overflow and out-of-bounds write via a large JSON file, as demonst...

Summary

Updated json-c package fixes security vulnerabilities:
It was discovered that json-c through 0.14 has an integer overflow and out-of-bounds write via a large JSON file, as demonstrated by printbuf_memappend (CVE-2020-12762).

References

- https://bugs.mageia.org/show_bug.cgi?id=26623

- https://ubuntu.com/security/notices/USN-4360-1

- https://www.cve.org/CVERecord?id=CVE-2020-12762

Topics%20covered

Topics Covered

security advisory critical integer overflow attack surface out-of-bounds write json-c mageia

Resolution

SRPMS

- 7/core/json-c-0.13.1-2.2.mga7

Severity
critical
Lowest
Low
Medium
High
Critical

Publication date: 29 May 2020
URL: https://advisories.mageia.org/MGASA-2020-0240.html
Type: security
CVE: CVE-2020-12762

Topics%20covered

Topics Covered

security advisory critical integer overflow attack surface out-of-bounds write json-c mageia

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