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Mageia: 2021-0291 Critical: GnuTLS Memory Corruption Problem

mageia
Calendar Grey June 28, 2021
Dist Mageia Esm H88
Recent updates to gnutls packages have resolved critical memory corruption vulnerabilities linked to the key_share extension in Mageia. For further details on remediation, check here.
A flaw was found in gnutls

Summary

A flaw was found in gnutls. A use after free issue in client sending key_share extension may lead to memory corruption and other consequences (CVE-2021-20231).
A flaw was found in gnutls. A use after free issue in client_send_params in lib/ext/pre_shared_key.c may lead to memory corruption and other potential consequences (CVE-2021-20232).

References

- https://bugs.mageia.org/show_bug.cgi?id=29021

- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/OSLAE6PP33A7VYRYMYMUVB3U6B26GZER/

- https://www.gnutls.org/security-new.html#GNUTLS-SA-2021-03-10

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- https://www.cve.org/CVERecord?id=CVE-2021-20231

- https://www.cve.org/CVERecord?id=CVE-2021-20233

Topics%20covered

Topics Covered

security advisory security issue critical software update memory corruption gnutls mageia

Resolution

SRPMS

- 7/core/gnutls-3.6.15-1.1.mga7

- 8/core/gnutls-3.6.15-3.1.mga8

Severity
critical
Lowest
Low
Medium
High
Critical

Publication date: 28 Jun 2021
URL: https://advisories.mageia.org/MGASA-2021-0291.html
Type: security
CVE: CVE-2021-20231, CVE-2021-20233

Topics%20covered

Topics Covered

security advisory security issue critical software update memory corruption gnutls mageia

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