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Mageia 8: 2023-0160 Urgent: Libfastjson Buffer Overflow Vulnerability

mageia
Calendar Grey May 6, 2023
Dist Mageia Esm H88
Enhanced libfastjson versions in Mageia address integer overflow and out-of-bounds vulnerabilities associated with substantial JSON documents.
Integer overflow and out-of-bounds write via a large JSON file, as demonstrated by printbuf_memappend

Summary

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=31812

- https://github.com/advisories/GHSA-3797-gmjf-45gm

- https://nvd.nist.gov/vuln/detail/CVE-2020-12762

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

Topics%20covered

Topics Covered

security advisory security issue critical software update integer overflow Mageia libfastjson

Resolution

SRPMS

- 8/core/libfastjson-1.2304.0-1.mga8

Severity
critical
Lowest
Low
Medium
High
Critical

Publication date: 06 May 2023
URL: https://advisories.mageia.org/MGASA-2023-0159.html
Type: security
CVE: CVE-2020-12762

Topics%20covered

Topics Covered

security advisory security issue critical software update integer overflow Mageia libfastjson

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