Reference page — cumulative record through Thursday, October 8, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
AV AC PR UI S C I A CVSS EPSS %ile KEV N L N N U N N H 7.5 .0625 93.4 —
AFFECTED Product Versions Fixed n/a n/a – —
TIMELINE Jul 13 Reserved by mitre Jul 13 Published (CNA: mitre) Oct 7 RESCORED — CVE-2019-20907. CVSS 5.5 → 7.5 (NVD).
In Lib/tarfile.py in Python through 3.8.3, an attacker is able to craft a TAR archive leading to an infinite loop when opened by tarfile.open, because _proc_pax lacks header validation.
| Date | Event | Detail |
|---|---|---|
| July 13, 2020 | Reserved | Reserved by mitre |
| July 13, 2020 | Published | Published (CNA: mitre) |
| October 7, 2026 | RESCORED | RESCORED — CVE-2019-20907. CVSS 5.5 → 7.5 (NVD). |
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|---|---|---|---|
| n/a | n/a | — | n/a | — |
Authoritative record: CVE-2019-20907 at cve.org
Weaknesses: CWE-835
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2019-20907 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Thursday, October 8, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.
