https://vulnerability.circl.lu Contains only the most 10 recent sightings. http://www.rssboard.org/rss-specification python-feedgen en Tue, 20 Oct 2026 08:32:23 +0000 https://vulnerability.circl.lu/sighting/bb04d876-2f15-4d90-bbcb-31b8f5760802/export {"uuid": "bb04d876-2f15-4d90-bbcb-31b8f5760802", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-110869", "type": "seen", "source": "https://infosec.exchange/users/cve/statuses/117442305816470385", "content": "CVE-2026-110869 Nodemailer 3.0.0 before 10.0.13 ReDoS via SMTP AUTH Mechanism Detection Regexes Nodemailer 3.0.0 before 10.0.13 has a regular expression denial of service in SMTPConnection._actionEHLO, whose four AUTH mechanism detection regexes contain overlapping whitespace sub-patterns that backtrack quadratically. A malicious or man-in-the-middle SMTP server can reply to EHLO with 250-AUTH, a long whitespace run and a non-matching token, blocking the Node.js event loop for tens of seconds to hours before authentication.\nhttps://www.cve.org/CVERecord?id=CVE-2026-110869https://github.com/nodemailer/nodemailer/security/advisories/GHSA-4ffr-jq9g-5ffxhttps://www.vulncheck.com/advisories/nodemailer-3.0.0-before-10.0.13-redos-via-smtp-auth-mechanism-detection-regexes#nodemailer#CVE_2026_110869#bot", "creation_timestamp": "2026-10-15T01:22:51.970834Z"} {"uuid": "bb04d876-2f15-4d90-bbcb-31b8f5760802", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-110869", "type": "seen", "source": "https://infosec.exchange/users/cve/statuses/117442305816470385", "content": "CVE-2026-110869 Nodemailer 3.0.0 before 10.0.13 ReDoS via SMTP AUTH Mechanism Detection Regexes Nodemailer 3.0.0 before 10.0.13 has a regular expression denial of service in SMTPConnection._actionEHLO, whose four AUTH mechanism detection regexes contain overlapping whitespace sub-patterns that backtrack quadratically. A malicious or man-in-the-middle SMTP server can reply to EHLO with 250-AUTH, a long whitespace run and a non-matching token, blocking the Node.js event loop for tens of seconds to hours before authentication.\nhttps://www.cve.org/CVERecord?id=CVE-2026-110869https://github.com/nodemailer/nodemailer/security/advisories/GHSA-4ffr-jq9g-5ffxhttps://www.vulncheck.com/advisories/nodemailer-3.0.0-before-10.0.13-redos-via-smtp-auth-mechanism-detection-regexes#nodemailer#CVE_2026_110869#bot", "creation_timestamp": "2026-10-15T01:22:51.970834Z"} https://vulnerability.circl.lu/sighting/bb04d876-2f15-4d90-bbcb-31b8f5760802/export Thu, 15 Oct 2026 01:22:51 +0000