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    CVE-2025-61732

    A discrepancy between how Go and C/C++ comments were parsed allowed for code smuggling into the resulting cgo binary.

    Published:Feb 5, 2026
    Last Modified:Feb 10, 2026
    EPS:Feb 5, 2026
    EPSS Score:0.00008
    CVSS Score:8.6

    Affected Products

    Vendor
    Golang
    Product
    Go
    Vendor
    Gotoolchain
    Product
    Cmd/go

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-39820 (CVSS 7.5) — Well-crafted inputs reaching ParseAddress, ParseAddressList, and ParseDate were able to trigger excessive CPU …
    CVE-2026-42501 (CVSS 7.5) — A malicious module proxy can exploit a flaw in the go command's validation of module checksums to bypass check…
    CVE-2026-39823 (CVSS 6.1) — CVE-2026-27142 fixed a vulnerability in which URLs were not correctly escaped inside of a <meta> tag's <conten…
    CVE-2026-33811 (CVSS 7.5) — When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C me…
    CVE-2026-39826 (CVSS 6.1) — If a trusted template author were to write a <script> tag containing an empty 'type' attribute or a 'type' att…
    CVE-2026-39817 (CVSS 5.9) — The "go tool pack" subcommand (usually used only by the compiler as an internal tool with known-good inputs) d…
    CVE-2026-39819 (CVSS 5.3) — The "go bug" command writes to two files with predictable names in the system temporary directory (for example…
    CVE-2026-42499 (CVSS 7.5) — Pathological inputs could cause DoS through consumePhrase when parsing an email address according to RFC 5322.…
    CVE-2026-39825 (CVSS 5.3) — ReverseProxy can forward queries containing parameters not visible to Rewrite functions. When used with a Rewr…
    CVE-2026-39836 (CVSS 7.5) — The Dial and LookupPort functions panic on Windows when provided with an input containing a NUL (0).…

    References

    https://go.dev/cl/734220
    https://go.dev/issue/76697
    https://groups.google.com/g/golang-announce/c/K09ubi9FQFk
    https://pkg.go.dev/vuln/GO-2026-4433
    https://access.redhat.com/errata/RHSA-2026:10104
    https://access.redhat.com/errata/RHSA-2026:12282
    https://access.redhat.com/errata/RHSA-2026:14100
    https://access.redhat.com/errata/RHSA-2026:14774
    https://access.redhat.com/errata/RHSA-2026:15091
    https://access.redhat.com/errata/RHSA-2026:17598
    https://access.redhat.com/errata/RHSA-2026:21691
    https://access.redhat.com/errata/RHSA-2026:2706
    https://access.redhat.com/errata/RHSA-2026:2708
    https://access.redhat.com/errata/RHSA-2026:2709
    https://access.redhat.com/errata/RHSA-2026:2844
    https://access.redhat.com/errata/RHSA-2026:3192
    https://access.redhat.com/errata/RHSA-2026:3193
    https://access.redhat.com/errata/RHSA-2026:3468
    https://access.redhat.com/errata/RHSA-2026:3469
    https://access.redhat.com/errata/RHSA-2026:3470
    https://access.redhat.com/errata/RHSA-2026:3471
    https://access.redhat.com/errata/RHSA-2026:3472
    https://access.redhat.com/errata/RHSA-2026:3473
    https://access.redhat.com/errata/RHSA-2026:3489
    https://access.redhat.com/errata/RHSA-2026:3556
    https://access.redhat.com/errata/RHSA-2026:3559
    https://access.redhat.com/errata/RHSA-2026:3855
    https://access.redhat.com/errata/RHSA-2026:4434
    https://access.redhat.com/errata/RHSA-2026:5878
    https://access.redhat.com/errata/RHSA-2026:5948
    https://access.redhat.com/errata/RHSA-2026:5950
    https://access.redhat.com/errata/RHSA-2026:5952
    https://access.redhat.com/errata/RHSA-2026:7291
    https://access.redhat.com/errata/RHSA-2026:7385
    https://access.redhat.com/errata/RHSA-2026:8448
    https://access.redhat.com/security/cve/CVE-2025-61732
    https://bugzilla.redhat.com/show_bug.cgi?id=2437016
    https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-61732.json

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High