Source: pypy3 X-Debbugs-CC: [email protected] Severity: important Tags: security
Hi, The following vulnerability was published for pypy3. CVE-2026-18503[0]: | Attacker-controlled CSV samples can trigger super-linear regular- | expression work during dialect sniffing and consume significant CPU | when applications pass unbounded input to csv.Sniffer.sniff(). https://mail.python.org/archives/list/[email protected]/thread/KQ7NBMCPAZJHRROQXJQE4GMXGLD5KHBS/ https://github.com/python/cpython/issues/98820 https://github.com/python/cpython/pull/153694 Fixed by: https://github.com/python/cpython/commit/476fb09cdb0d73e645849d98c610e7e5697ce7c9 (v3.15.0rc1) If you fix the vulnerability please also make sure to include the CVE (Common Vulnerabilities & Exposures) id in your changelog entry. For further information see: [0] https://security-tracker.debian.org/tracker/CVE-2026-18503 https://www.cve.org/CVERecord?id=CVE-2026-18503 Please adjust the affected versions in the BTS as needed.
