# CVE-2020-15586: golang-misc: Go Toolset provides the Go programming language tools and libraries

CVE-2020-15586 is fixed in 9 products on 1 platform, first by RHSA-2020:3665, released September 8, 2020. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2020-15586
- Priority: Routine
- CVSS: 5.9 (Moderate)
- EPSS: 0.0288
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Sep 8, 2020

## Description

Go Toolset provides the Go programming language tools and libraries. Go is alternatively known as golang.  Security Fix(es):  * golang.org/x/text: possibility to trigger an infinite loop in encoding/unicode could lead to crash (CVE-2020-14040)  * golang: data race in certain net/http servers including ReverseProxy can lead to DoS (CVE-2020-15586)  * golang: ReadUvarint and ReadVarint can read an unlimited number of bytes from invalid inputs (CVE-2020-16845)  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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | delve RHEL 8 | 0:1.3.2-3.module+el8.2.0+5581+896cb53e | [RHSA-2020:3665](https://patchblox.com/security/data/fix/linux/rhsa-2020-3665.md) | Sep 8, 2020 |
| Linux | delve ol 8 | 0:1.3.2-3.0.1.module+el8.2.0+5587+55f012d0 | [ELSA-2020-3665](https://patchblox.com/security/data/fix/linux/elsa-2020-3665.md) | Sep 11, 2020 |
| Linux | go-toolset RHEL 8 | 0:1.13.15-1.module+el8.2.0+7662+fa98b974 | [RHSA-2020:3665](https://patchblox.com/security/data/fix/linux/rhsa-2020-3665.md) | Sep 8, 2020 |
| Linux | go-toolset ol 8 | 0:1.13.15-1.module+el8.2.0+7788+3ff8dc7f | [ELSA-2020-3665](https://patchblox.com/security/data/fix/linux/elsa-2020-3665.md) | Sep 11, 2020 |
| Linux | golang RHEL 8 | 0:1.13.15-1.module+el8.2.0+7662+fa98b974 | [RHSA-2020:3665](https://patchblox.com/security/data/fix/linux/rhsa-2020-3665.md) | Sep 8, 2020 |
| Linux | golang ol 8 | 0:1.13.15-1.module+el8.2.0+7788+3ff8dc7f | [ELSA-2020-3665](https://patchblox.com/security/data/fix/linux/elsa-2020-3665.md) | Sep 11, 2020 |
| Linux | golang-bin RHEL 8 | 0:1.13.15-1.module+el8.2.0+7662+fa98b974 | [RHSA-2020:3665](https://patchblox.com/security/data/fix/linux/rhsa-2020-3665.md) | Sep 8, 2020 |
| Linux | golang-bin ol 8 | 0:1.13.15-1.module+el8.2.0+7788+3ff8dc7f | [ELSA-2020-3665](https://patchblox.com/security/data/fix/linux/elsa-2020-3665.md) | Sep 11, 2020 |
| Linux | golang-docs RHEL 8 | 0:1.13.15-1.module+el8.2.0+7662+fa98b974 | [RHSA-2020:3665](https://patchblox.com/security/data/fix/linux/rhsa-2020-3665.md) | Sep 8, 2020 |
| Linux | golang-docs ol 8 | 0:1.13.15-1.module+el8.2.0+7788+3ff8dc7f | [ELSA-2020-3665](https://patchblox.com/security/data/fix/linux/elsa-2020-3665.md) | Sep 11, 2020 |
| Linux | golang-misc RHEL 8 | 0:1.13.15-1.module+el8.2.0+7662+fa98b974 | [RHSA-2020:3665](https://patchblox.com/security/data/fix/linux/rhsa-2020-3665.md) | Sep 8, 2020 |
| Linux | golang-misc ol 8 | 0:1.13.15-1.module+el8.2.0+7788+3ff8dc7f | [ELSA-2020-3665](https://patchblox.com/security/data/fix/linux/elsa-2020-3665.md) | Sep 11, 2020 |
| Linux | golang-race RHEL 8 | 0:1.13.15-1.module+el8.2.0+7662+fa98b974 | [RHSA-2020:3665](https://patchblox.com/security/data/fix/linux/rhsa-2020-3665.md) | Sep 8, 2020 |
| Linux | golang-race ol 8 | 0:1.13.15-1.module+el8.2.0+7788+3ff8dc7f | [ELSA-2020-3665](https://patchblox.com/security/data/fix/linux/elsa-2020-3665.md) | Sep 11, 2020 |
| Linux | golang-src RHEL 8 | 0:1.13.15-1.module+el8.2.0+7662+fa98b974 | [RHSA-2020:3665](https://patchblox.com/security/data/fix/linux/rhsa-2020-3665.md) | Sep 8, 2020 |
| Linux | golang-src ol 8 | 0:1.13.15-1.module+el8.2.0+7788+3ff8dc7f | [ELSA-2020-3665](https://patchblox.com/security/data/fix/linux/elsa-2020-3665.md) | Sep 11, 2020 |
| Linux | golang-tests RHEL 8 | 0:1.13.15-1.module+el8.2.0+7662+fa98b974 | [RHSA-2020:3665](https://patchblox.com/security/data/fix/linux/rhsa-2020-3665.md) | Sep 8, 2020 |
| Linux | golang-tests ol 8 | 0:1.13.15-1.module+el8.2.0+7788+3ff8dc7f | [ELSA-2020-3665](https://patchblox.com/security/data/fix/linux/elsa-2020-3665.md) | Sep 11, 2020 |

---

Data as of 2026-11-08T06:59:42Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.