# CVE-2021-27918: delve: Go Toolset provides the Go programming language tools and libraries CVE-2021-27918 is fixed in 43 products on 1 platform, first by ELSA-2021-9267, released May 29, 2021. It is not reported as exploited. Patch Radar priority: High. - Web page: https://patchblox.com/security/cve/CVE-2021-27918 - Priority: High - CVSS: 7.5 (Moderate) - EPSS: 0.0247 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: May 29, 2021 ## Description Go Toolset provides the Go programming language tools and libraries. Go is alternatively known as golang. The following packages have been upgraded to a later upstream version: golang (1.15.14). (BZ#1982287) Security Fix(es): * golang: encoding/xml: infinite loop when using xml.NewTokenDecoder with a custom TokenReader (CVE-2021-27918) * golang: net/http: panic in ReadRequest and ReadResponse when reading a very large header (CVE-2021-31525) * golang: archive/zip: malformed archive may cause panic or memory exhaustion (CVE-2021-33196) * golang: crypto/tls: certificate of wrong type is causing TLS client to panic (CVE-2021-34558) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Bug Fix(es): * FIPS mode AES CBC CryptBlocks incorrectly re-initializes IV in file crypto/internal/boring/aes.go (BZ#1978567) * FIPS mode AES CBC Decrypter produces incorrect result (BZ#1983976) ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Linux | conmon ol 8 | 3:2.0.21-4.el8 | [ELSA-2021-9267](https://patchblox.com/security/data/fix/linux/elsa-2021-9267.md) | May 29, 2021 | | Linux | coredns ol 8 | 0:1.7.0-1.el8 | [ELSA-2021-9267](https://patchblox.com/security/data/fix/linux/elsa-2021-9267.md) | May 29, 2021 | | Linux | cri-o ol 8 | 0:1.18.4-2.el8 | [ELSA-2021-9267](https://patchblox.com/security/data/fix/linux/elsa-2021-9267.md) | May 29, 2021 | | Linux | cri-tools ol 8 | 0:1.18.0-2.el8 | [ELSA-2021-9267](https://patchblox.com/security/data/fix/linux/elsa-2021-9267.md) | May 29, 2021 | | Linux | delve RHEL 8 | 0:1.5.0-2.module+el8.4.0+8864+58b0fcdb | [RHSA-2021:3076](https://patchblox.com/security/data/fix/linux/rhsa-2021-3076.md) | Aug 10, 2021 | | Linux | delve ol 8 | 0:1.5.0-2.0.1.module+el8.4.0+20021+8a86d991 | [ELSA-2021-3076](https://patchblox.com/security/data/fix/linux/elsa-2021-3076.md) | Aug 12, 2021 | | Linux | etcd ol 8 | 0:3.4.3-1.0.5.el8 | [ELSA-2021-9267](https://patchblox.com/security/data/fix/linux/elsa-2021-9267.md) | May 29, 2021 | | Linux | flannel ol 8 | 0:0.12.0-2.el8 | [ELSA-2021-9267](https://patchblox.com/security/data/fix/linux/elsa-2021-9267.md) | May 29, 2021 | | Linux | go-toolset RHEL 8 | 0:1.15.14-1.module+el8.4.0+11833+614b07b8 | [RHSA-2021:3076](https://patchblox.com/security/data/fix/linux/rhsa-2021-3076.md) | Aug 10, 2021 | | Linux | go-toolset ol 8 | 0:1.15.14-1.module+el8.4.0+20290+7af514f4 | [ELSA-2021-3076](https://patchblox.com/security/data/fix/linux/elsa-2021-3076.md) | Aug 12, 2021 | | Linux | golang RHEL 8 | 0:1.15.14-1.module+el8.4.0+11833+614b07b8 | [RHSA-2021:3076](https://patchblox.com/security/data/fix/linux/rhsa-2021-3076.md) | Aug 10, 2021 | | Linux | golang ol 8 | 0:1.15.14-1.module+el8.4.0+20290+7af514f4 | [ELSA-2021-3076](https://patchblox.com/security/data/fix/linux/elsa-2021-3076.md) | Aug 12, 2021 | | Linux | golang-bin RHEL 8 | 0:1.15.14-1.module+el8.4.0+11833+614b07b8 | [RHSA-2021:3076](https://patchblox.com/security/data/fix/linux/rhsa-2021-3076.md) | Aug 10, 2021 | | Linux | golang-bin ol 8 | 0:1.15.14-1.module+el8.4.0+20290+7af514f4 | [ELSA-2021-3076](https://patchblox.com/security/data/fix/linux/elsa-2021-3076.md) | Aug 12, 2021 | | Linux | golang-docs RHEL 8 | 0:1.15.14-1.module+el8.4.0+11833+614b07b8 | [RHSA-2021:3076](https://patchblox.com/security/data/fix/linux/rhsa-2021-3076.md) | Aug 10, 2021 | | Linux | golang-docs ol 8 | 0:1.15.14-1.module+el8.4.0+20290+7af514f4 | [ELSA-2021-3076](https://patchblox.com/security/data/fix/linux/elsa-2021-3076.md) | Aug 12, 2021 | | Linux | golang-misc RHEL 8 | 0:1.15.14-1.module+el8.4.0+11833+614b07b8 | [RHSA-2021:3076](https://patchblox.com/security/data/fix/linux/rhsa-2021-3076.md) | Aug 10, 2021 | | Linux | golang-misc ol 8 | 0:1.15.14-1.module+el8.4.0+20290+7af514f4 | [ELSA-2021-3076](https://patchblox.com/security/data/fix/linux/elsa-2021-3076.md) | Aug 12, 2021 | | Linux | golang-race RHEL 8 | 0:1.15.14-1.module+el8.4.0+11833+614b07b8 | [RHSA-2021:3076](https://patchblox.com/security/data/fix/linux/rhsa-2021-3076.md) | Aug 10, 2021 | | Linux | golang-race ol 8 | 0:1.15.14-1.module+el8.4.0+20290+7af514f4 | [ELSA-2021-3076](https://patchblox.com/security/data/fix/linux/elsa-2021-3076.md) | Aug 12, 2021 | | Linux | golang-src RHEL 8 | 0:1.15.14-1.module+el8.4.0+11833+614b07b8 | [RHSA-2021:3076](https://patchblox.com/security/data/fix/linux/rhsa-2021-3076.md) | Aug 10, 2021 | | Linux | golang-src ol 8 | 0:1.15.14-1.module+el8.4.0+20290+7af514f4 | [ELSA-2021-3076](https://patchblox.com/security/data/fix/linux/elsa-2021-3076.md) | Aug 12, 2021 | | Linux | golang-tests RHEL 8 | 0:1.15.14-1.module+el8.4.0+11833+614b07b8 | [RHSA-2021:3076](https://patchblox.com/security/data/fix/linux/rhsa-2021-3076.md) | Aug 10, 2021 | | Linux | golang-tests ol 8 | 0:1.15.14-1.module+el8.4.0+20290+7af514f4 | [ELSA-2021-3076](https://patchblox.com/security/data/fix/linux/elsa-2021-3076.md) | Aug 12, 2021 | | Linux | helm ol 8 | 0:3.3.4-2.el8 | [ELSA-2021-9267](https://patchblox.com/security/data/fix/linux/elsa-2021-9267.md) | May 29, 2021 | | Linux | istio ol 8 | 0:1.7.3-1.0.2.el8 | [ELSA-2021-9267](https://patchblox.com/security/data/fix/linux/elsa-2021-9267.md) | May 29, 2021 | | Linux | istio-istioctl ol 8 | 0:1.7.3-1.0.2.el8 | [ELSA-2021-9267](https://patchblox.com/security/data/fix/linux/elsa-2021-9267.md) | May 29, 2021 | | Linux | istio-mixc ol 8 | 0:1.7.3-1.0.2.el8 | [ELSA-2021-9267](https://patchblox.com/security/data/fix/linux/elsa-2021-9267.md) | May 29, 2021 | | Linux | istio-mixs ol 8 | 0:1.7.3-1.0.2.el8 | [ELSA-2021-9267](https://patchblox.com/security/data/fix/linux/elsa-2021-9267.md) | May 29, 2021 | | Linux | istio-pilot-agent ol 8 | 0:1.7.3-1.0.2.el8 | [ELSA-2021-9267](https://patchblox.com/security/data/fix/linux/elsa-2021-9267.md) | May 29, 2021 | | Linux | istio-pilot-discovery ol 8 | 0:1.7.3-1.0.2.el8 | [ELSA-2021-9267](https://patchblox.com/security/data/fix/linux/elsa-2021-9267.md) | May 29, 2021 | | Linux | kata ol 8 | 0:1.11.5-4.el8 | [ELSA-2021-9267](https://patchblox.com/security/data/fix/linux/elsa-2021-9267.md) | May 29, 2021 | | Linux | kata-agent ol 8 | 0:1.11.5-2.el8 | [ELSA-2021-9267](https://patchblox.com/security/data/fix/linux/elsa-2021-9267.md) | May 29, 2021 | | Linux | kata-image ol 8 | 0:1.11.5-2.2.ol8_202104281558 | [ELSA-2021-9267](https://patchblox.com/security/data/fix/linux/elsa-2021-9267.md) | May 29, 2021 | | Linux | kata-ksm-throttler ol 8 | 0:1.11.5-2.el8 | [ELSA-2021-9267](https://patchblox.com/security/data/fix/linux/elsa-2021-9267.md) | May 29, 2021 | | Linux | kata-proxy ol 8 | 0:1.11.5-2.el8 | [ELSA-2021-9267](https://patchblox.com/security/data/fix/linux/elsa-2021-9267.md) | May 29, 2021 | | Linux | kata-runtime ol 8 | 0:1.11.5-2.el8 | [ELSA-2021-9267](https://patchblox.com/security/data/fix/linux/elsa-2021-9267.md) | May 29, 2021 | | Linux | kata-shim ol 8 | 0:1.11.5-2.el8 | [ELSA-2021-9267](https://patchblox.com/security/data/fix/linux/elsa-2021-9267.md) | May 29, 2021 | | Linux | kubeadm ol 8 | 0:1.18.18-2.el8 | [ELSA-2021-9267](https://patchblox.com/security/data/fix/linux/elsa-2021-9267.md) | May 29, 2021 | | Linux | kubectl ol 8 | 0:1.18.18-2.el8 | [ELSA-2021-9267](https://patchblox.com/security/data/fix/linux/elsa-2021-9267.md) | May 29, 2021 | | Linux | kubelet ol 8 | 0:1.18.18-2.el8 | [ELSA-2021-9267](https://patchblox.com/security/data/fix/linux/elsa-2021-9267.md) | May 29, 2021 | | Linux | kubernetes-cni ol 8 | 0:0.8.0-3.el8 | [ELSA-2021-9267](https://patchblox.com/security/data/fix/linux/elsa-2021-9267.md) | May 29, 2021 | | Linux | kubernetes-cni-plugins ol 8 | 0:0.8.7-2.el8 | [ELSA-2021-9267](https://patchblox.com/security/data/fix/linux/elsa-2021-9267.md) | May 29, 2021 | | Linux | kubernetes-dashboard ol 8 | 0:2.0.3-2.el8 | [ELSA-2021-9267](https://patchblox.com/security/data/fix/linux/elsa-2021-9267.md) | May 29, 2021 | | Linux | olcne-agent ol 8 | 0:1.2.3-9.el8 | [ELSA-2021-9267](https://patchblox.com/security/data/fix/linux/elsa-2021-9267.md) | May 29, 2021 | | Linux | olcne-api-server ol 8 | 0:1.2.3-9.el8 | [ELSA-2021-9267](https://patchblox.com/security/data/fix/linux/elsa-2021-9267.md) | May 29, 2021 | | Linux | olcne-istio-chart ol 8 | 0:1.2.3-9.el8 | [ELSA-2021-9267](https://patchblox.com/security/data/fix/linux/elsa-2021-9267.md) | May 29, 2021 | | Linux | olcne-nginx ol 8 | 0:1.2.3-9.el8 | [ELSA-2021-9267](https://patchblox.com/security/data/fix/linux/elsa-2021-9267.md) | May 29, 2021 | | Linux | olcne-prometheus-chart ol 8 | 0:1.2.3-9.el8 | [ELSA-2021-9267](https://patchblox.com/security/data/fix/linux/elsa-2021-9267.md) | May 29, 2021 | | Linux | olcne-utils ol 8 | 0:1.2.3-9.el8 | [ELSA-2021-9267](https://patchblox.com/security/data/fix/linux/elsa-2021-9267.md) | May 29, 2021 | | Linux | olcnectl ol 8 | 0:1.2.3-9.el8 | [ELSA-2021-9267](https://patchblox.com/security/data/fix/linux/elsa-2021-9267.md) | May 29, 2021 | | Linux | yq ol 8 | 0:3.4.0-2.el8 | [ELSA-2021-9267](https://patchblox.com/security/data/fix/linux/elsa-2021-9267.md) | May 29, 2021 | --- Data as of 2026-11-09T07:25:28Z UTC. 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