HIGH 7.7 Microsoft
CVE-2026-57077
YAML::Syck versions before 1.47 for Perl allow an out-of-bounds read via an unbounded newline scan in newline_len
Microsoft Security Update 2026-Jul: YAML::Syck versions before 1.47 for Perl allow an out-of-bounds read via an unbounded newline scan in newline_len
Affected Products
- azl3 python-msgpack 1.0.5-3 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57077
- https://nvd.nist.gov/vuln/detail/CVE-2026-57077
This high severity vulnerability with a CVSS score of 7.7 was published on 2026-07-14 via Microsoft. Affected: azl3 python-msgpack 1.0.5-3 on Azure Linux 3.0.
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