Twisted: Denial of Service in the Twisted IMAP4 Server via a Negative Literal Size in SEARCH
影響: pip:Twisted <= 26.4.0 → 26.10.0rc1
An infinite-loop vulnerability (CWE-835) in the Twisted IMAP4 server lets an authenticated client freeze the whole process with one small command. twisted.mail.imap4.parseNestedParens reads an IMAP literal size with int() and never rejects a negative value. A negative size such as {-100} drives the parser cursor negative, and because a negative Python index wraps around the end of the string instead of raising, the scanning loop never terminates. It runs synchronously on the single-threaded rea…
| CVE | CVE-2026-115774 |
|---|---|
| 정보원 | GitHub Advisory Database |
| 수집 시각 | 2026. 10. 24. 오후 01:50 |
| 데이터 | Markdown JSON |
2026. 10. 24. 오전 05:46, GitHub Advisory Database에서 "Twisted: Denial of Service in the Twisted IMAP4 Server via a Negative Literal Size in SEARCH"을(를) 게시했습니다 (유형: 취약점 권고). 심각도는 "보통"(medium)입니다. 관련 기술: Python. CVE: CVE-2026-115774.