VDB

GO-2026-4977

GO-2026-4977 PUBLISHED CVSS 8.699999809265137 HIGH

Record from OSV · Published May 7, 2026

stdlib is fixed in 1.26.3 and 1.25.10 (Go Modules)

Quadratic string concatenation in consumePhrase in net/mail

Fixed versions

Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.

PackageEcosystemFixed in
stdlibGo Modules1.26.3, 1.25.10
consul-1.20Chainguard1.20.6-r17
virt-api-fips-1.6Chainguard1.6.5-r1
containerd-1Wolfi1.7.31-r2
policy-controller-fipsChainguard0.15.1-r3
istio-1.27Chainguard1.27.9-r1
natsChainguard0.3.2-r4
undockChainguard0.13.0-r1
crossplane-provider-aws-kafkaChainguard2.5.0-r2
drone-fipsChainguard3.3.0-r0
crossplane-provider-azure-servicenetworkingChainguard2.5.0-r2
kubernetes-csi-node-driver-registrar-2.15Chainguard2.15.0-r6

88 more packages have a fixed version. See every fix in Lookup.

Risk scores

CVSS 4.0
8.699999809265137
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Affected products

VendorProductVersions
chainguardconsul-1.200
chainguardvirt-api-fips-1.60
wolficontainerd-10
chainguardpolicy-controller-fips0
wolfinova*
chainguardistio-1.270
chainguardcrane*
chainguardnats0
chainguardundock0
Gostdlib0, 1.26.0-0
chainguardopentelemetry-collector*
chainguardk8ssandra-operator-fips*
chainguardcrossplane-provider-aws-kafka0
chainguardkube-logging-operator-fips*
wolfimigrate*
wolfisftpgo-plugin-pubsub*
chainguardgitlab-runner-fips-18.9*
chainguardocm-cli-fips*
chainguardconsul-k8s-1.7*
chainguarddrone-fips0

…and 1906 more

Timeline

  • May 7, 2026 CVE Published
  • Aug 31, 2026 CVE Updated

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln GO-2026-4977
vulnetix vdb fixes GO-2026-4977

Or with curl, using the org id and key from your account page:

curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/GO-2026-4977/fixes/registry"

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