CVE-2022-37434
CRITICAL 9.8EPSS 17.9%
zlib through 1.2.12 has a heap-based buffer over-read or buffer overflow in inflate in inflate.c via a large gzip header extra field. NOTE: only applications that call inflateGetHeader are affected. Some common applications bundle the affected zlib source code but may be unable to call inflateGetHeader (e.g., see the nodejs/node reference).
- CVSS v3.1
- 9.8 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS v3.1
- 9.8 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - EPSS
- 17.85% chance of exploitation in the next 30 days, 97th percentile
- Published
- 2022-08-05
- Updated
- 2026-07-14
Proof-of-concept exploits (3)
- ivd38/zlib_overflow
- Trinadh465/external_zlib_CVE-2022-374340★ · 2024-02-02
- xen0bit/CVE-2022-37434_poc3★ · 2022-10-15