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CVE-2022-1122

MEDIUMCVSS 5.5/10EPSS 1.08%

Last modified

CVE-2022-1122 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. A flaw was found in the opj2_decompress program in openjpeg2 2.4.0 in the way it handles an input directory with a large number of files. When it fails to allocate a buffer to store the filenames of the input directory, it calls free() on an uninitialized pointer, leading to a segmentation fault and a denial of service.. EPSS estimates a 1.08% chance of exploitation in the next 30 days.

Description

A flaw was found in the opj2_decompress program in openjpeg2 2.4.0 in the way it handles an input directory with a large number of files. When it fails to allocate a buffer to store the filenames of the input directory, it calls free() on an uninitialized pointer, leading to a segmentation fault and a denial of service.

Metrics

CVSS 3.1
5.5/10

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

EPSS Probability
1.08%

60.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
UclouvainOpenjpeg2.4.0
FedoraprojectFedora34
FedoraprojectFedora35
FedoraprojectFedora36
DebianDebian Linux9.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2022-1122?
A flaw was found in the opj2_decompress program in openjpeg2 2.4.0 in the way it handles an input directory with a large number of files. When it fails to allocate a buffer to store the filenames of the input directory, it calls free() on an uninitialized pointer, leading to a segmentation fault and a denial of service.
How severe is CVE-2022-1122?
CVE-2022-1122 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 1.08% probability of exploitation in the next 30 days.
How do I fix CVE-2022-1122?
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-2022-1122?

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

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Source: NVD / NIST