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CVE-2022-37434

CRITICALCVSS 9.8/10EPSS 15.93%

Last modified

CVE-2022-37434 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 15.93% chance of exploitation in the next 30 days.

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).

Metrics

CVSS 3.1
9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
15.93%

96.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
ZlibZlib<= 1.2.12
FedoraprojectFedora35
FedoraprojectFedora36
FedoraprojectFedora37
DebianDebian Linux10.0
NetappActive Iq Unified ManagerAll versions
NetappHciAll versions
NetappManagement Services For Element SoftwareAll versions
NetappOncommand Workflow AutomationAll versions
NetappOntap Select Deploy Administration UtilityAll versions
NetappStoragegridAll versions
NetappHci Compute NodeAll versions
NetappH300s FirmwareAll versions
NetappH500s FirmwareAll versions
NetappH700s FirmwareAll versions
AppleIpados< 15.7.1
AppleIphone Os< 15.7.1
AppleIphone Os>= 16.0, < 16.1
AppleMacos>= 11.0, < 11.7.1
AppleMacos>= 12.0.0, < 12.6.1
AppleWatchos< 9.1
StormshieldStormshield Network Security>= 3.7.31, < 3.7.34
StormshieldStormshield Network Security>= 3.11.0, < 3.11.22
StormshieldStormshield Network Security>= 4.3.0, < 4.3.16
StormshieldStormshield Network Security>= 4.6.0, < 4.6.3

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2022-37434?
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).
How severe is CVE-2022-37434?
CVE-2022-37434 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 15.93% probability of exploitation in the next 30 days.
How do I fix CVE-2022-37434?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-37434?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST