CVE-2023-31102

Description

Ppmd7.c in 7-Zip before 23.00 allows an integer underflow and invalid read operation via a crafted 7Z archive.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
EPSS 38.98% Top 5%
Third-Party Advisory netapp.com Third-Party Advisory zerodayinitiative.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.7-zip.org/download.html product
https://www.zerodayinitiative.com/advisories/ZDI-23-1165/ third party advisory vdb entry
https://sourceforge.net/p/sevenzip/discussion/45797/thread/713c8a8269/ release notes issue tracking
https://security.netapp.com/advisory/ntap-20231110-0007/ third party advisory
https://ds-security.com/post/integer-overflow-in-7-zip-cve-2023-31102/

Frequently Asked Questions

What is the severity of CVE-2023-31102?
CVE-2023-31102 has been scored as a high severity vulnerability.
How to fix CVE-2023-31102?
To fix CVE-2023-31102, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-31102 being actively exploited in the wild?
It is possible that CVE-2023-31102 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~39% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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