CRITICAL 9.1 Microsoft
CVE-2026-57075
YAML::Syck versions before 1.47 for Perl allow an out-of-bounds read via a signed-char lookup-table index in syck_base64dec
Microsoft Security Update 2026-Jul: YAML::Syck versions before 1.47 for Perl allow an out-of-bounds read via a signed-char lookup-table index in syck_base64dec
Affected Products
- azl3 python-msgpack 1.0.5-3 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57075
- https://nvd.nist.gov/vuln/detail/CVE-2026-57075
This critical severity vulnerability with a CVSS score of 9.1 was published on 2026-07-14 via Microsoft. Affected: azl3 python-msgpack 1.0.5-3 on Azure Linux 3.0.
Risk Timeline
CVE Disclosed2026-07-14 · 98 days ago
Remediation Resources
Official Advisory
msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57075NVD / MITRE
nvd.nist.gov/vuln/detail/CVE-2026-57075Related Vulnerabilities
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