CVE-2026-23991
cosign: github.com/theupdateframework/go-tuf/v2: denial of service due to invalid TUF metadata JSON returned
CVE-2026-23991 is fixed in 3 products on 1 platform, first by DEBIAN-CVE-2026-23991, released January 22, 2026. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
7.5
high
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0058
48th percentile
github.com/theupdateframework/go-tuf/v2: denial of service due to invalid TUF metadata JSON returned
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| cosign · opensuse-leap 15.6 | 3.0.5-150400.3.35.1 | SUSE-SU-2026:0777-1 | Mar 3, 2026 |
| cosign · opensuse-leap 16.0 | 3.0.5-160000.1.1 | OPENSUSE-SU-2026:20386-1 | Mar 18, 2026 |
| cosign · sles 15.7 | 3.0.5-150400.3.35.1 | SUSE-SU-2026:0777-1 | Mar 3, 2026 |
| cosign · sles 16.0 | 3.0.5-160000.1.1 | SUSE-SU-2026:20904-1 | Mar 18, 2026 |
| golang-github-theupdateframework-go-tuf · Debian 14 | 2.4.1+0.7.0-1 | DEBIAN-CVE-2026-23991 | Jan 22, 2026 |
| govulncheck-vulndb · opensuse-leap 15.6 | 0.0.20260226T182644-150000.1.149.1 | SUSE-SU-2026:0757-1 | Mar 3, 2026 |
| govulncheck-vulndb · opensuse-leap 16.0 | 0.0.20260723T184607-160000.1.1 | OPENSUSE-SU-2026:21483-1 | Jul 30, 2026 |
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