🛡️ CVE-2022-37434
🔴 CVSS 9.8 — Critical ⚠️ Exploit Public CWE-787 NVD
9.8
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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).

Details

Severity CRITICAL
CVSS Score 9.8
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE CWE-787
Public Exploit ⚠️ Yes
Source NVD
Published 2022-08-05
Updated 2026-06-08
Modified 2025-05-30

Affected Packages

Software From version Fixed in
active-iq-unified-manager — —
debian-linux — —
fedora — —
h300s-firmware — —
h500s-firmware — —
h700s-firmware — —
hci — —
hci-compute-node — —
ipados — 15.7.1
iphone-os 16.0 16.1
macos 12.0.0 12.6.1
management-services-for-element-software — —
oncommand-workflow-automation — —
ontap-select-deploy-administration-utility — —
storagegrid — —
stormshield-network-security 4.6.0 4.6.3
watchos — 9.1
zlib — 1.2.12

References

Mailing List, Third Party Advisory http://seclists.org/fulldisclosure/2022/Oct/37
Mailing List, Third Party Advisory http://seclists.org/fulldisclosure/2022/Oct/38
Mailing List, Third Party Advisory http://seclists.org/fulldisclosure/2022/Oct/41
Mailing List, Third Party Advisory http://seclists.org/fulldisclosure/2022/Oct/42
Mailing List, Third Party Advisory http://www.openwall.com/lists/oss-security/2022/08/05/2
Mailing List, Patch, Third Party Advisory http://www.openwall.com/lists/oss-security/2022/08/09/1
Exploit, Issue Tracking, Third Party Advisory https://github.com/curl/curl/issues/9271
Exploit, Third Party Advisory https://github.com/ivd38/zlib_overflow
Mailing List, Third Party Advisory http://seclists.org/fulldisclosure/2022/Oct/37
Mailing List, Third Party Advisory http://seclists.org/fulldisclosure/2022/Oct/38
Mailing List, Third Party Advisory http://seclists.org/fulldisclosure/2022/Oct/41
Mailing List, Third Party Advisory http://seclists.org/fulldisclosure/2022/Oct/42
Mailing List, Third Party Advisory http://www.openwall.com/lists/oss-security/2022/08/05/2
Mailing List, Patch, Third Party Advisory http://www.openwall.com/lists/oss-security/2022/08/09/1
Exploit, Issue Tracking, Third Party Advisory https://github.com/curl/curl/issues/9271
Exploit, Third Party Advisory https://github.com/ivd38/zlib_overflow
Exploit, Issue Tracking, Third Party Advisory https://github.com/curl/curl/issues/9271

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