CVE-2021-35515

high-risk
Published 2021-07-13

When reading a specially crafted 7Z archive, the construction of the list of codecs that decompress an entry can result in an infinite loop. This could be used to mount a denial of service attack against services that use Compress' sevenz package.

Do I need to act?

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0.60% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Vendors

References (42)

and 22 more references
53
/ 100
high-risk
Severity 26/34 · High
Exploitability 2/34 · Minimal
Exposure 25/34 · High