HIGH 7.8 Microsoft
CVE-2026-57076
YAML::Syck versions before 1.47 for Perl allow a heap use-after-free via an anchor name reused as an anchors-table key in syck_hdlr_add_anchor
Microsoft Security Update 2026-Jul: YAML::Syck versions before 1.47 for Perl allow a heap use-after-free via an anchor name reused as an anchors-table key in syck_hdlr_add_anchor
Affected Products
- azl3 python-msgpack 1.0.5-3 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57076
- https://nvd.nist.gov/vuln/detail/CVE-2026-57076
This high severity vulnerability with a CVSS score of 7.8 was published on 2026-07-14 via Microsoft. Affected: azl3 python-msgpack 1.0.5-3 on Azure Linux 3.0.
vulnfeed aggregates 17594 vulnerabilities from NVD, CISA KEV,
Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.