{"action":"Upgrade twisted to 26.4.0rc2 or later.","affected":[{"fixed":"26.4.0rc2","introduced":"0"}],"component":"twisted","cve_ids":["CVE-2026-42304"],"ecosystem":"PyPI","epss":0.00433,"exploited":false,"fixed_versions":["26.4.0rc2"],"ghsa_id":"GHSA-grgv-6hw6-v9g4","id":"tcs_01M5KFJ6GDTN4J70NXAPTANN5T","modified_at":"2026-09-10T03:51:05.782425234Z","published_at":"2026-05-05T21:12:37Z","references":["https://osv.dev/vulnerability/GHSA-grgv-6hw6-v9g4","https://github.com/twisted/twisted/security/advisories/GHSA-grgv-6hw6-v9g4","https://nvd.nist.gov/vuln/detail/CVE-2026-42304","https://github.com/twisted/twisted/commit/e11cd82bdd79b3ebbb0e8635cbb9c76df2b5af09","https://github.com/pypa/advisory-database/tree/main/vulns/twisted/PYSEC-2026-160.yaml","https://github.com/twisted/twisted"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-grgv-6hw6-v9g4","url":"https://osv.dev/vulnerability/GHSA-grgv-6hw6-v9g4"}],"summary":"Twisted has a Denial of Service (DoS) in twisted.names via Crafted DNS Compression Pointer Chains"}