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).

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.92544.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
n/a n/a affected
Version Status Constraints
n/a unknown —

Configuration 1 [-]

cpe:2.3:a:zlib:zlib:*:*:*:*:*:*:*:*

Configuration 2 [-]

OR cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*

Configuration 3 [-]

cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

Configuration 4 [-]

OR cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:*
cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:windows:*:*
cpe:2.3:a:netapp:hci:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:management_services_for_element_software:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:oncommand_workflow_automation:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:storagegrid:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:hci_compute_node:-:*:*:*:*:*:*:*

Configuration 5 [-]

AND
cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*

Configuration 6 [-]

AND
cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:*

Configuration 7 [-]

AND
cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:*

Configuration 8 [-]

AND
cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:*

Configuration 9 [-]

OR cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*

Configuration 10 [-]

OR cpe:2.3:a:stormshield:stormshield_network_security:*:*:*:*:*:*:*:*
cpe:2.3:a:stormshield:stormshield_network_security:*:*:*:*:*:*:*:*
cpe:2.3:a:stormshield:stormshield_network_security:*:*:*:*:*:*:*:*
cpe:2.3:a:stormshield:stormshield_network_security:*:*:*:*:*:*:*:*
Package CPE Advisory Released Date
Red Hat Enterprise Linux 7
zlib-0:1.2.7-21.el7_9 cpe:/o:redhat:enterprise_linux:7 RHSA-2023:1095 2023-03-07T00:00:00Z
Red Hat Enterprise Linux 8
zlib-0:1.2.11-19.el8_6 cpe:/o:redhat:enterprise_linux:8 RHSA-2022:7106 2022-10-25T00:00:00Z
rsync-0:3.1.3-19.el8 cpe:/o:redhat:enterprise_linux:8 RHSA-2022:7793 2022-11-08T00:00:00Z
Red Hat Enterprise Linux 8.6 Extended Update Support
rsync-0:3.1.3-14.el8_6.5 cpe:/o:redhat:rhel_eus:8.6 RHSA-2024:0254 2024-01-15T00:00:00Z
Red Hat Enterprise Linux 9
zlib-0:1.2.11-32.el9_0 cpe:/a:redhat:enterprise_linux:9 RHSA-2022:7314 2022-11-02T00:00:00Z
rsync-0:3.2.3-18.el9 cpe:/a:redhat:enterprise_linux:9 RHSA-2022:8291 2022-11-15T00:00:00Z
zlib-0:1.2.11-32.el9_0 cpe:/o:redhat:enterprise_linux:9 RHSA-2022:7314 2022-11-02T00:00:00Z
rsync-0:3.2.3-18.el9 cpe:/o:redhat:enterprise_linux:9 RHSA-2022:8291 2022-11-15T00:00:00Z
Text-Only JBCS
zlib cpe:/a:redhat:jboss_core_services:1 RHSA-2022:8841 2022-12-08T00:00:00Z

No data.

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Watchos Subscribe
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Advisories
Source ID Title
Debian DLA Debian DLA DLA-3103-1 zlib security update
Debian DSA Debian DSA DSA-5218-1 zlib security update
Ubuntu USN Ubuntu USN USN-5570-1 zlib vulnerability
Ubuntu USN Ubuntu USN USN-5570-2 zlib vulnerability
Ubuntu USN Ubuntu USN USN-5573-1 rsync vulnerability
Ubuntu USN Ubuntu USN USN-6736-1 klibc vulnerabilities
Ubuntu USN Ubuntu USN USN-6736-2 klibc vulnerabilities
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
http://seclists.org/fulldisclosure/2022/Oct/37 cve-icon cve-icon
http://seclists.org/fulldisclosure/2022/Oct/38 cve-icon cve-icon
http://seclists.org/fulldisclosure/2022/Oct/41 cve-icon cve-icon
http://seclists.org/fulldisclosure/2022/Oct/42 cve-icon cve-icon
http://www.openwall.com/lists/oss-security/2022/08/05/2 cve-icon cve-icon
http://www.openwall.com/lists/oss-security/2022/08/09/1 cve-icon cve-icon
https://github.com/curl/curl/issues/9271 cve-icon cve-icon
https://github.com/ivd38/zlib_overflow cve-icon cve-icon
https://github.com/madler/zlib/blob/21767c654d31d2dccdde4330529775c6c5fd5389/zlib.h#L1062-L1063 cve-icon cve-icon
https://github.com/madler/zlib/commit/1eb7682f845ac9e9bf9ae35bbfb3bad5dacbd91d cve-icon cve-icon
https://github.com/madler/zlib/commit/eff308af425b67093bab25f80f1ae950166bece1 cve-icon cve-icon
https://github.com/nodejs/node/blob/75b68c6e4db515f76df73af476eccf382bbcb00a/deps/zlib/inflate.c#L762-L764 cve-icon cve-icon
https://lists.debian.org/debian-lts-announce/2022/09/msg00012.html cve-icon cve-icon
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JWN4VE3JQR4O2SOUS5TXNLANRPMHWV4I/ cve-icon cve-icon
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NMBOJ77A7T7PQCARMDUK75TE6LLESZ3O/ cve-icon cve-icon
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PAVPQNCG3XRLCLNSQRM3KAN5ZFMVXVTY/ cve-icon cve-icon
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X5U7OTKZSHY2I3ZFJSR2SHFHW72RKGDK/ cve-icon cve-icon
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YRQAI7H4M4RQZ2IWZUEEXECBE5D56BH2/ cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2022-37434 cve-icon
https://security.netapp.com/advisory/ntap-20220901-0005/ cve-icon cve-icon
https://security.netapp.com/advisory/ntap-20230427-0007/ cve-icon cve-icon
https://support.apple.com/kb/HT213488 cve-icon cve-icon
https://support.apple.com/kb/HT213489 cve-icon cve-icon
https://support.apple.com/kb/HT213490 cve-icon cve-icon
https://support.apple.com/kb/HT213491 cve-icon cve-icon
https://support.apple.com/kb/HT213493 cve-icon cve-icon
https://support.apple.com/kb/HT213494 cve-icon cve-icon
https://www.cve.org/CVERecord?id=CVE-2022-37434 cve-icon
https://www.debian.org/security/2022/dsa-5218 cve-icon cve-icon
History

Fri, 30 May 2025 21:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-120

Fri, 02 May 2025 17:15:00 +0000

Type Values Removed Values Added
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2025-05-30T19:47:26.322Z

Reserved: 2022-08-05T00:00:00.000Z

Link: CVE-2022-37434

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2022-08-05T07:15:07.240

Modified: 2025-05-30T20:15:30.030

Link: CVE-2022-37434

cve-icon Redhat

Severity : Moderate

Publid Date: 2022-08-05T00:00:00Z

Links: CVE-2022-37434 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses