CVE catalog
CVE-2026-27143
Arithmetic over induction variables in loops were not correctly checked for underflow or overflow. As a result, the compiler would allow for invalid indexing to occur at runtime, potentially leading t
- Severity
- Critical · CVSS 9.8
- Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.54% · Oct 25, 2026
Arithmetic over induction variables in loops were not correctly checked for underflow or overflow. As a result, the compiler would allow for invalid indexing to occur at runtime, potentially leading to memory corruption.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | golang-1.19 | bookworm | 1.19.8-2 | not affected |
| Cpe | golang-1.19 | Not reported | Not reported | vulnerable |
| Cpe | go | Not reported | 1.25.9 | fixed |
| Cpe | go | Not reported | 1.26.2 | fixed |
| Opensuse | kpt-cli | tumbleweed | 1.0.0~beta.64-1.1 | fixed |
| Ubuntu | golang-1.20 | 20.04 | 1.20.3-1ubuntu0.1~20.04 | vulnerable |
| Ubuntu | golang-1.20 | 20.04 | 1.20.3-1ubuntu0.1~20.04.1 | vulnerable |
| Ubuntu | golang-1.21 | 20.04 | 1.21.1-1~ubuntu20.04.1 | vulnerable |
| Ubuntu | golang-1.21 | 20.04 | 1.21.1-1~ubuntu20.04.2 | vulnerable |
| Ubuntu | golang-1.21 | 20.04 | 1.21.1-1~ubuntu20.04.3 | vulnerable |
| Ubuntu | golang-1.22 | 20.04 | 1.22.2-2~20.04.1 | vulnerable |
| Ubuntu | golang-1.22 | 20.04 | 1.22.2-2~20.04.2 | vulnerable |
| Ubuntu | golang-1.22 | 20.04 | 1.22.2-2~20.04.3 | vulnerable |
| Ubuntu | golang-1.20 | 22.04 | 1.20.3-1ubuntu0.1~22.04 | vulnerable |
| Ubuntu | golang-1.20 | 22.04 | 1.20.3-1ubuntu0.1~22.04.1 | vulnerable |
| Ubuntu | golang-1.21 | 22.04 | 1.21.1-1~ubuntu22.04.1 | vulnerable |
| Ubuntu | golang-1.21 | 22.04 | 1.21.1-1~ubuntu22.04.2 | vulnerable |
| Ubuntu | golang-1.21 | 22.04 | 1.21.1-1~ubuntu22.04.3 | vulnerable |
| Ubuntu | golang-1.21 | 22.04 | 1.21.1-1~ubuntu22.04.4 | vulnerable |
| Ubuntu | golang-1.22 | 22.04 | 1.22.2-2~22.04 | vulnerable |
| Ubuntu | golang-1.22 | 22.04 | 1.22.2-2~22.04.1 | vulnerable |
| Ubuntu | golang-1.22 | 22.04 | 1.22.2-2~22.04.2 | vulnerable |
| Ubuntu | golang-1.22 | 22.04 | 1.22.2-2~22.04.3 | vulnerable |
| Ubuntu | golang-1.22 | 22.04 | 1.22.2-2~22.04.4 | vulnerable |
| Ubuntu | golang-1.23 | 22.04 | 1.23.1-1~22.04 | vulnerable |
| Ubuntu | golang-1.23 | 22.04 | 1.23.1-1~22.04.2 | vulnerable |
| Ubuntu | golang-1.23 | 22.04 | 1.23.1-1~22.04.3 | vulnerable |
| Ubuntu | golang-1.24 | 22.04 | 1.24.4-1ubuntu1~22.04.1 | vulnerable |
| Ubuntu | golang-1.24 | 22.04 | 1.24.4-1ubuntu1~22.04.2 | vulnerable |
| Ubuntu | golang-1.24 | 22.04 | 1.24.13-2~22.04.1 | vulnerable |
| Ubuntu | golang-1.24 | 22.04 | 1.24.13-2~22.04.2 | vulnerable |
| Ubuntu | golang-1.25 | 22.04 | 1.25.14-1~ubuntu0.22.04.1 | vulnerable |
| Ubuntu | golang-1.21 | 24.04 | 1.21.1-1 | vulnerable |
| Ubuntu | golang-1.21 | 24.04 | 1.21.3-1 | vulnerable |
| Ubuntu | golang-1.21 | 24.04 | 1.21.4-1 | vulnerable |
| Ubuntu | golang-1.21 | 24.04 | 1.21.5-1 | vulnerable |
| Ubuntu | golang-1.21 | 24.04 | 1.21.6-1 | vulnerable |
| Ubuntu | golang-1.21 | 24.04 | 1.21.7-1 | vulnerable |
| Ubuntu | golang-1.21 | 24.04 | 1.21.7-2 | vulnerable |
| Ubuntu | golang-1.21 | 24.04 | 1.21.8-1 | vulnerable |
| Ubuntu | golang-1.21 | 24.04 | 1.21.8-1build1 | vulnerable |
| Ubuntu | golang-1.21 | 24.04 | 1.21.9-1 | vulnerable |
| Ubuntu | golang-1.21 | 24.04 | 1.21.9-1ubuntu0.1 | vulnerable |
| Ubuntu | golang-1.22 | 24.04 | 1.22~rc1-2 | vulnerable |
| Ubuntu | golang-1.22 | 24.04 | 1.22.0-1 | vulnerable |
| Ubuntu | golang-1.22 | 24.04 | 1.22.0-2 | vulnerable |
| Ubuntu | golang-1.22 | 24.04 | 1.22.1-1 | vulnerable |
| Ubuntu | golang-1.22 | 24.04 | 1.22.1-1build1 | vulnerable |
| Ubuntu | golang-1.22 | 24.04 | 1.22.2-2 | vulnerable |
| Ubuntu | golang-1.22 | 24.04 | 1.22.2-2ubuntu0.1 | vulnerable |
| Ubuntu | golang-1.22 | 24.04 | 1.22.2-2ubuntu0.2 | vulnerable |
| Ubuntu | golang-1.22 | 24.04 | 1.22.2-2ubuntu0.3 | vulnerable |
| Ubuntu | golang-1.22 | 24.04 | 1.22.2-2ubuntu0.4 | vulnerable |
| Ubuntu | golang-1.22 | 24.04 | 1.22.2-2ubuntu0.5 | vulnerable |
| Ubuntu | golang-1.23 | 24.04 | 1.23.1-1~24.04 | vulnerable |
| Ubuntu | golang-1.23 | 24.04 | 1.23.1-1~24.04.1 | vulnerable |
| Ubuntu | golang-1.24 | 24.04 | 1.24.4-1ubuntu1~24.04.1 | vulnerable |
| Ubuntu | golang-1.24 | 24.04 | 1.24.4-1ubuntu1~24.04.2 | vulnerable |
| Ubuntu | golang-1.24 | 24.04 | 1.24.13-2~24.04.1 | vulnerable |
| Ubuntu | golang-1.25 | 24.04 | 1.25.14-1~ubuntu0.24.04.1 | vulnerable |
| Ubuntu | golang-1.23 | 25.10 | 1.23.8-1 | vulnerable |
| Ubuntu | golang-1.23 | 25.10 | 1.23.10-1 | vulnerable |
| Ubuntu | golang-1.23 | 25.10 | 1.23.10-1ubuntu0.2 | vulnerable |
| Ubuntu | golang-1.24 | 25.10 | 1.24.2-1 | vulnerable |
| Ubuntu | golang-1.24 | 25.10 | 1.24.2-2 | vulnerable |
| Ubuntu | golang-1.24 | 25.10 | 1.24.4-1 | vulnerable |
| Ubuntu | golang-1.24 | 25.10 | 1.24.4-1ubuntu1 | vulnerable |
| Ubuntu | golang-1.25 | 25.10 | 1.25.0-0ubuntu1 | vulnerable |
| Ubuntu | golang-1.25 | 25.10 | 1.25.7-2~25.10.1 | vulnerable |
| Ubuntu | golang-1.23 | 26.04 | 1.23.10-1 | vulnerable |
| Ubuntu | golang-1.24 | 26.04 | 1.24.4-1ubuntu1 | vulnerable |
| Ubuntu | golang-1.24 | 26.04 | 1.24.9-1 | vulnerable |
| Ubuntu | golang-1.24 | 26.04 | 1.24.13-2 | vulnerable |
| Ubuntu | golang-1.25 | 26.04 | 1.25.0-0ubuntu1 | vulnerable |
| Ubuntu | golang-1.25 | 26.04 | 1.25.7-2 | vulnerable |
| Ubuntu | golang-1.25 | 26.04 | 1.25.14-1~ubuntu0.26.04.1 | vulnerable |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | golang-1.19 | source | bookworm | Not affected | unimportant | Not reported | Not reported |
| Cpe | go | cpe | Not reported | 1.25.9 | Not reported | Not reported | Not reported |
| Cpe | go | cpe | Not reported | 1.26.2 | Not reported | Not reported | Not reported |
| Opensuse | kpt-cli | rpm | tumbleweed | 1.0.0~beta.64-1.1 | Not reported | OPENSUSE-SU-2026:10894-1 | Not reported |
OpenFactory catalog packages
[Debian 13 (Trixie)]
- [golang-1.24]Affected
Details (2)
1.24.4-1· all · trixieAffected
nvd · golang-1.24 · debian · 13
1.24.4-1· all · trixieAffected
nvd · golang-1.24 · debian · 13
- [golang-1.24-doc]Affected
Source package: [golang-1.24]
Details (2)
1.24.4-1· all · trixieAffected
nvd · golang-1.24 · debian · 13
1.24.4-1· all · trixieAffected
nvd · golang-1.24 · debian · 13
- [golang-1.24-go]Affected
Source package: [golang-1.24]
Details (2)
1.24.4-1· amd64 · trixieAffected
nvd · golang-1.24 · debian · 13
1.24.4-1· arm64 · trixieAffected
nvd · golang-1.24 · debian · 13
- [golang-1.24-src]Affected
Source package: [golang-1.24]
Details (2)
1.24.4-1· all · trixieAffected
nvd · golang-1.24 · debian · 13
1.24.4-1· all · trixieAffected
nvd · golang-1.24 · debian · 13
[openSUSE Tumbleweed]
- [kpt-cli-bash-completion]Unknown
Source package: [kpt-cli]
Details (1)
1.0.0~beta.67-1.2· noarch · tumbleweedUnknown · Fixed:
1.0.0~beta.64-1.1Version impact unknown
nvd · kpt-cli · opensuse · tumbleweed
- [kpt-cli-fish-completion]Unknown
Source package: [kpt-cli]
Details (1)
1.0.0~beta.67-1.2· noarch · tumbleweedUnknown · Fixed:
1.0.0~beta.64-1.1Version impact unknown
nvd · kpt-cli · opensuse · tumbleweed
- [kpt-cli-zsh-completion]Unknown
Source package: [kpt-cli]
Details (1)
1.0.0~beta.67-1.2· noarch · tumbleweedUnknown · Fixed:
1.0.0~beta.64-1.1Version impact unknown
nvd · kpt-cli · opensuse · tumbleweed
- [kpt-cli]Fixed
Source package: [kpt-cli]
Details (1)
1.0.0~beta.67-1.2· x86_64 · tumbleweedFixed · Fixed:
1.0.0~beta.64-1.1nvd · kpt-cli · opensuse · tumbleweed
[Debian 12 (Bookworm)]
- [golang-1.19]Not affected
Details (2)
1.19.8-2· all · bookwormNot affected
nvd · golang-1.19 · debian · bookworm
1.19.8-2· all · bookwormNot affected
nvd · golang-1.19 · debian · bookworm
- [golang-1.19-doc]Not affected
Source package: [golang-1.19]
Details (2)
1.19.8-2· all · bookwormNot affected
nvd · golang-1.19 · debian · bookworm
1.19.8-2· all · bookwormNot affected
nvd · golang-1.19 · debian · bookworm
- [golang-1.19-go]Not affected
Source package: [golang-1.19]
Details (2)
1.19.8-2· amd64 · bookwormNot affected
nvd · golang-1.19 · debian · bookworm
1.19.8-2· arm64 · bookwormNot affected
nvd · golang-1.19 · debian · bookworm
- [golang-1.19-src]Not affected
Source package: [golang-1.19]
Details (2)
1.19.8-2· all · bookwormNot affected
nvd · golang-1.19 · debian · bookworm
1.19.8-2· all · bookwormNot affected
nvd · golang-1.19 · debian · bookworm
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2026_21254-1.json]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-27143]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-27143]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2026-27143]
- [https://osv.dev/vulnerability/openSUSE-SU-2026:10894-1]
- [https://security-tracker.debian.org/tracker/CVE-2026-27143]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-27143.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1006.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]