MEDIUM 5.6 Microsoft
CVE-2020-29511
The encoding/xml package in Go (all versions) does not correctly preserve the semantics of element namespace prefixes during tokenization round-trips which allows an attacker to craft inputs that behave in conflicting ways during different stages of processing in affected downstream applications.
Microsoft Security Update 2026-Aug: The encoding/xml package in Go (all versions) does not correctly preserve the semantics of element namespace prefixes during tokenization round-trips which allows an attacker to craft inputs that behave in conflicting ways during different stages of processing in affected downstream applications.
Affected Products
- azl3 golang 1.24.3-1 on Azure Linux 3.0
- cm1 golang 1.17.13-2 on CBL Mariner 1.0
- cbl2 golang 1.20.10-1 on CBL Mariner 2.0
- azl3 golang 1.23.9-1 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-29511
- https://nvd.nist.gov/vuln/detail/CVE-2020-29511
This medium severity vulnerability with a CVSS score of 5.6 was published on 2026-08-06 via Microsoft. Affected: azl3 golang 1.24.3-1 on Azure Linux 3.0, cm1 golang 1.17.13-2 on CBL Mariner 1.0, cbl2 golang 1.20.10-1 on CBL Mariner 2.0 and 1 more.
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