{"id":"CVE-2026-26080","aliases":["BIT-haproxy-2026-26080","DEBIAN-CVE-2026-26080","EUVD-2026-45988","GHSA-fhrv-3q89-79q6","RHSA-2026:40938","SUSE-SU-2026:20557-1","SUSE-SU-2026:20616-1","SUSE-SU-2026:20620-1","openSUSE-SU-2026:20290-1"],"status":"published","title":"HAProxy Community Edition 3.2.x through 3.3.x before 3.3.3 can enter a loop or crash because...","description":"HAProxy Community Edition 3.2.x through 3.3.x before 3.3.3 can enter a loop or crash because varint is mishandled. HAProxy Enterprise and ALOHA are also affected.","severity":{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00546,"percentile":0.46134,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"cwes":["CWE-252"],"published":"2026-02-27T13:15:05Z","modified":"2026-11-02T10:45:55Z","exploits":[{"source":"pocgithub","id":"Zeerg/haproxy-quic-cves-2026","title":"Zeerg/haproxy-quic-cves-2026","date":"2026-10-27","url":"https://github.com/Zeerg/haproxy-quic-cves-2026"}],"fixes":[{"ecosystem":"Bitnami","package":"haproxy","fixed_in":["3.2.12","3.3.3"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"haproxy","fixed_in":["3.2.11-2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"haproxy","ranges":[{"type":"SEMVER","events":[{"introduced":"3.2.0"},{"fixed":"3.2.12"},{"introduced":"3.3.0"},{"fixed":"3.3.3"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"haproxy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.11-2"}]}],"versions":["3.0.11-1","3.1.0-1","3.1.0-2","3.1.1-1","3.1.2-1","3.1.3-1","3.1.5-1","3.1.6-1","3.1.7-1","3.2.0-1","3.2.1-1","3.2.10-1","3.2.11-1","3.2.3-1","3.2.3-2","3.2.4-1","3.2.5-1","3.2.5-2","3.2.6-1","3.2.7-1","3.2.8-1","3.2.9-1"]},{"source":"osv","ecosystem":"Red Hat:hummingbird:1","package":"haproxy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.0.25-0.1.1.hum1"}]}],"bundled":2},{"source":"osv","ecosystem":"SUSE:Linux Micro 6.2","package":"haproxy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.12+git0.6011f448e-160000.1.1"}]}],"bundled":2},{"source":"osv","ecosystem":"SUSE:Linux Enterprise High Availability Extension 16.0","package":"haproxy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.12+git0.6011f448e-160000.1.1"}]}],"bundled":2},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP applications 16.0","package":"haproxy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.12+git0.6011f448e-160000.1.1"}]}],"bundled":2},{"source":"osv","ecosystem":"openSUSE:Leap 16.0","package":"haproxy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.12+git0.6011f448e-160000.1.1"}]}],"bundled":2}],"products":[{"vendor":"haproxy","product":"aloha"},{"vendor":"haproxy","product":"haproxy"},{"vendor":"haproxy","product":"haproxy_enterprise"}],"references":[{"url":"https://www.haproxy.org","tags":["Product","web","article"]},{"url":"https://git.haproxy.org/?p=haproxy-3.2.git;a=commit;h=5bb098ce8a656ec5711b4de3e4c87f12b216e7a1","tags":["Patch","Vendor Advisory","advisory","web","article"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-26080","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-fhrv-3q89-79q6"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/26xxx/CVE-2026-26080.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-26080","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2026:40938","tags":["advisory"]},{"url":"https://images.redhat.com/","tags":["article"]},{"url":"https://access.redhat.com/security/cve/CVE-2026-26080","tags":["report"]},{"url":"https://access.redhat.com/security/updates/classification/","tags":["article"]},{"url":"https://access.redhat.com/security/cve/CVE-2026-26081","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_40938.json","tags":["advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2502959","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-26080","tags":["advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2502945","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-26081","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-26081","tags":["advisory"]},{"url":"https://git.haproxy.org/?p=haproxy-3.2.git;a=commit;h=4765277f4f915baac2d57db63538ff0a59966deb","tags":["article"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-202620557-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1257521","tags":["report"]},{"url":"https://bugzilla.suse.com/1257976","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2026-26080","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-26081","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-202620616-1/","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-202620620-1/","tags":["advisory"]},{"url":"","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-26080","description":"HAProxy Community Edition 3.2.x through 3.3.x before 3.3.3 can enter a loop or crash because varint is mishandled. HAProxy Enterprise and ALOHA are also affected.","status":"published","published":"2026-07-20T00:00:00Z","modified":"2026-07-20T18:16:43.967Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"low","assessor":"cna"}],"cwes":["CWE-252"],"updated_at":"2026-11-02T13:38:32.13011Z"}],"euvd":[{"id":"EUVD-2026-45988","description":"HAProxy Community Edition 3.2.x through 3.3.x before 3.3.3 can enter a loop or crash because varint is mishandled. HAProxy Enterprise and ALOHA are also affected.","status":"published","published":"2026-07-20T00:00:00Z","modified":"2026-07-20T18:16:43Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"low"}],"updated_at":"2026-11-02T18:19:48.530346Z"}],"ghsa":[{"id":"GHSA-fhrv-3q89-79q6","title":"HAProxy Community Edition 3.2.x through 3.3.x before 3.3.3 can enter a loop or crash because...","description":"HAProxy Community Edition 3.2.x through 3.3.x before 3.3.3 can enter a loop or crash because varint is mishandled. HAProxy Enterprise and ALOHA are also affected.","status":"published","published":"2026-07-20T18:32:31Z","modified":"2026-07-20T18:32:39Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"low"}],"cwes":["CWE-252"],"updated_at":"2026-11-02T15:09:36.920272Z"}],"nvd":[{"id":"CVE-2026-26080","description":"HAProxy Community Edition 3.2.x through 3.3.x before 3.3.3 can enter a loop or crash because varint is mishandled. HAProxy Enterprise and ALOHA are also affected.","status":"published","published":"2026-07-20T16:16:57.057Z","modified":"2026-08-25T15:43:56.2Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"low","assessor":"secondary"}],"cwes":["CWE-252"],"updated_at":"2026-11-02T14:12:31.024898Z"}],"osv":[{"id":"CVE-2026-26080","description":"HAProxy Community Edition 3.2.x through 3.3.x before 3.3.3 can enter a loop or crash because varint is mishandled. 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(bsc#1257976)\n","status":"published","published":"2026-02-27T13:15:05Z","modified":"2026-03-23T04:53:05.105667Z","updated_at":"2026-11-02T15:54:01.953589Z"}]}}