Debian/pypy3: unknown
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().
Action: Upgrade pypy3 to 8.0.1+dfsg-1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 8.0.1+dfsg-1 | - |
Fixed versions
| 8.0.1+dfsg-1 |
Sources
- osv: DEBIAN-CVE-2026-18503#Debian:14/pypy3
- https://security-tracker.debian.org/tracker/CVE-2026-18503
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