Red Hat Security Advisory: golang security update
Affects Red Hat golangSource GCVE Database
Mentioned vulnerabilities
Not known to be exploited · CVSS 7.8 High : upgrade Red Hat go to 1.25.6 or 1.24.12 soon.
Data as of 30 Oct 2026, 11:52 UTC
- EPSS
- 0.6% chance of exploitation in 30 days – higher than 49% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 1.25.6, 1.24.12
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 28 Jan 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.
What to do
Upgrade cmd/go to 1.25.6 or 1.24.12.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Go toolchaincmd/go | Affected
| Fixed in
|
| Go toolchaincmd/go | Affected
| Fixed in
|
Gocmd/gopkg:golang/cmd/goOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Red Hat has released updated golang packages that fix these vulnerabilities. Users should apply the official patches provided for their specific Red Hat Enterprise Linux versions and architectures as detailed in the Red Hat advisories RHSA-2026:7834 and RHSA-2026:5941. Refer to https://access.redhat.com/articles/11258 for update instructions. Applying these updates will remediate the vulnerabilities. No additional mitigation steps are indicated by the vendor.
Description
The golang packages provide the Go programming language compiler. Security Fix(es): * cmd/go: cmd/go: Arbitrary file write via malicious pkg-config directive (CVE-2025-61731) * net/url: Incorrect parsing of IPv6 host literals in net/url (CVE-2026-25679) 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.
References
- access.redhat.com/errata/RHSA-2026:7834 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2434433 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2445356 (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_7834.json (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:5941 (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_5941.json (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:13736 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2025-61731 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_13736.json (opens in a new tab)
- go.dev/cl/736711 (opens in a new tab)
- go.dev/issue/77100 (opens in a new tab)
- groups.google.com/g/golang-announce/c/Vd2tYVM8eUc (opens in a new tab)
- pkg.go.dev/vuln/GO-2026-4339 (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-61731.json (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:5943 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:6949 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:7878 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:7879 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:7876 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:7877 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:7883 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:7833 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:5944 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:5942 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:7385 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:7291 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:12282 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:14100 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:21691 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:15091 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:14774 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:20088 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:17598 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:12118 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:8448 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:4434 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:3855 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:3559 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:3556 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:5948 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:5950 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:5952 (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_5942.json (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_5944.json (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_7876.json (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_7877.json (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_7878.json (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_7879.json (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_7883.json (opens in a new tab)