{"schema_version":1,"title":"github.com/klauspost/compress (Go) vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 3 vulnerabilities in github.com/klauspost/compress (Go): 0 in the last 7 days and 2 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-116591, was published on 26 October 2026. 1 vulnerability in the last four weeks, level on the four before (1).","url":"https://junglewise.ai/threats/technologies/github-com-klauspost-compress","json_url":"https://junglewise.ai/threats/technologies/github-com-klauspost-compress.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/github-com-klauspost-compress","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","thin":true,"counts":{"high":2,"all_time":3,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":1,"last_90_days":2,"last_365_days":3},"latest":[{"cve":"CVE-2026-116591","cvss":4,"epss":0.0033,"slug":"cve-2026-116591-compress-provides-various-compression-algorithms-prior-to-1-20-2","title":"Klaus Post compress zstd decoder panic on crafted input","severity":"high","exploited":false,"published_at":"2026-10-26T22:16:55.783+00:00","url":"https://junglewise.ai/threats/cve-2026-116591-compress-provides-various-compression-algorithms-prior-to-1-20-2"},{"cve":"CVE-2026-63209","cvss":7.5,"epss":0.0037,"slug":"cve-2026-63209-compress-provides-various-compression-algorithms-prior-to-version","title":"klauspost compress signed integer overflow in s2.NewDict","severity":"high","exploited":false,"published_at":"2026-09-29T15:17:27.13+00:00","url":"https://junglewise.ai/threats/cve-2026-63209-compress-provides-various-compression-algorithms-prior-to-version"},{"slug":"go-2026-5841-oob-read-in-github-com-klauspost-compress-s2-bc43eef4","title":"GO-2026-5841 - OOB read in github.com/klauspost/compress/s2","severity":"info","exploited":false,"published_at":"2026-07-27T16:16:22+00:00","url":"https://junglewise.ai/threats/go-2026-5841-oob-read-in-github-com-klauspost-compress-s2-bc43eef4"}],"weekly":[{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-28","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-10-05","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-12","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-19","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-26","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-11-02","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-11-09","critical":0,"exploited":0,"vulnerabilities":0}],"related":[{"name":"github.com/mattermost/mattermost-server (Go)","slug":"github-com-mattermost-mattermost-server","vulnerabilities":297,"url":"https://junglewise.ai/threats/technologies/github-com-mattermost-mattermost-server"},{"name":"github.com/mattermost/mattermost-server/v6 (Go)","slug":"github-com-mattermost-mattermost-server-v6","vulnerabilities":222,"url":"https://junglewise.ai/threats/technologies/github-com-mattermost-mattermost-server-v6"},{"name":"github.com/mattermost/mattermost/server/v8 (Go)","slug":"github-com-mattermost-mattermost-server-v8","vulnerabilities":207,"url":"https://junglewise.ai/threats/technologies/github-com-mattermost-mattermost-server-v8"},{"name":"github.com/mattermost/mattermost-server/v5 (Go)","slug":"github-com-mattermost-mattermost-server-v5","vulnerabilities":199,"url":"https://junglewise.ai/threats/technologies/github-com-mattermost-mattermost-server-v5"},{"name":"stdlib (Go)","slug":"go-stdlib","vulnerabilities":178,"url":"https://junglewise.ai/threats/technologies/go-stdlib"},{"name":"github.com/siyuan-note/siyuan/kernel (Go)","slug":"github-com-siyuan-note-siyuan-kernel","vulnerabilities":160,"url":"https://junglewise.ai/threats/technologies/github-com-siyuan-note-siyuan-kernel"},{"name":"code.gitea.io/gitea (Go)","slug":"code-gitea-io-gitea","vulnerabilities":126,"url":"https://junglewise.ai/threats/technologies/code-gitea-io-gitea"},{"name":"code.vikunja.io/api (Go)","slug":"code-vikunja-io-api","vulnerabilities":91,"url":"https://junglewise.ai/threats/technologies/code-vikunja-io-api"},{"name":"gogs.io/gogs (Go)","slug":"gogs-io-gogs","vulnerabilities":81,"url":"https://junglewise.ai/threats/technologies/gogs-io-gogs"},{"name":"github.com/traefik/traefik/v2 (Go)","slug":"github-com-traefik-traefik-v2","vulnerabilities":78,"url":"https://junglewise.ai/threats/technologies/github-com-traefik-traefik-v2"},{"name":"github.com/traefik/traefik (Go)","slug":"github-com-traefik-traefik","vulnerabilities":75,"url":"https://junglewise.ai/threats/technologies/github-com-traefik-traefik"},{"name":"github.com/usememos/memos (Go)","slug":"github-com-usememos-memos","vulnerabilities":75,"url":"https://junglewise.ai/threats/technologies/github-com-usememos-memos"}],"technology":{"hub":true,"name":"github.com/klauspost/compress (Go)","slug":"github-com-klauspost-compress","vendor":{"hub":true,"name":"Go","slug":"go","url":"https://junglewise.ai/threats/vendors/go"},"aliases":[],"description":"Go library providing high-speed compression and decompression for various formats.","url":"https://junglewise.ai/threats/technologies/github-com-klauspost-compress"},"most_severe":[{"cve":"CVE-2026-63209","cvss":7.5,"epss":0.0037,"slug":"cve-2026-63209-compress-provides-various-compression-algorithms-prior-to-version","title":"klauspost compress signed integer overflow in s2.NewDict","severity":"high","exploited":false,"published_at":"2026-09-29T15:17:27.13+00:00","url":"https://junglewise.ai/threats/cve-2026-63209-compress-provides-various-compression-algorithms-prior-to-version"},{"cve":"CVE-2026-116591","cvss":4,"epss":0.0033,"slug":"cve-2026-116591-compress-provides-various-compression-algorithms-prior-to-1-20-2","title":"Klaus Post compress zstd decoder panic on crafted input","severity":"high","exploited":false,"published_at":"2026-10-26T22:16:55.783+00:00","url":"https://junglewise.ai/threats/cve-2026-116591-compress-provides-various-compression-algorithms-prior-to-1-20-2"},{"slug":"go-2026-5841-oob-read-in-github-com-klauspost-compress-s2-bc43eef4","title":"GO-2026-5841 - OOB read in github.com/klauspost/compress/s2","severity":"info","exploited":false,"published_at":"2026-07-27T16:16:22+00:00","url":"https://junglewise.ai/threats/go-2026-5841-oob-read-in-github-com-klauspost-compress-s2-bc43eef4"}],"generated_at":"2026-11-13T03:07:00.155039+00:00"}