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CVE-2021-3630

MEDIUMCVSS 5.5/10EPSS 1.05%

Last modified

CVE-2021-3630 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. An out-of-bounds write vulnerability was found in DjVuLibre in DJVU::DjVuTXT::decode() in DjVuText.cpp via a crafted djvu file which may lead to crash and segmentation fault. This flaw affects DjVuLibre versions prior to 3.5.28.. EPSS estimates a 1.05% chance of exploitation in the next 30 days.

Description

An out-of-bounds write vulnerability was found in DjVuLibre in DJVU::DjVuTXT::decode() in DjVuText.cpp via a crafted djvu file which may lead to crash and segmentation fault. This flaw affects DjVuLibre versions prior to 3.5.28.

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
1.05%

60.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
Djvulibre ProjectDjvulibre< 3.5.28
DebianDebian Linux9.0
DebianDebian Linux10.0
DebianDebian Linux11.0
FedoraprojectFedora33
FedoraprojectFedora34

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-3630?
An out-of-bounds write vulnerability was found in DjVuLibre in DJVU::DjVuTXT::decode() in DjVuText.cpp via a crafted djvu file which may lead to crash and segmentation fault. This flaw affects DjVuLibre versions prior to 3.5.28.
How severe is CVE-2021-3630?
CVE-2021-3630 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 1.05% probability of exploitation in the next 30 days.
How do I fix CVE-2021-3630?
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-2021-3630?

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

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Source: NVD / NIST