CVE-2023-31102
7zip: Ppmd7.c in 7-Zip before 23.00 allows an integer underflow and invalid read operation via a crafted 7Z archive.
CVE-2023-31102 is fixed in 2 products on 1 platform, first by DEBIAN-CVE-2023-31102, released November 3, 2023. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
7.8
high
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.5399
99th percentile
Ppmd7.c in 7-Zip before 23.00 allows an integer underflow and invalid read operation via a crafted 7Z archive.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| 7zip · Debian 12.15 (bookworm) | 22.01+really25.01+dfsg-0+deb12u1 | DEBIAN-CVE-2023-31102 | Nov 3, 2023 |
| 7zip · Debian 13.5 (trixie) | 23.01+dfsg-1 | DEBIAN-CVE-2023-31102 | Nov 3, 2023 |
| 7zip · Debian 14 | 23.01+dfsg-1 | DEBIAN-CVE-2023-31102 | Nov 3, 2023 |
| p7zip · Debian 12.15 (bookworm) | 16.02+really25.01+dfsg-0+deb12u1 | DEBIAN-CVE-2023-31102 | Nov 3, 2023 |
| p7zip · Debian 13.5 (trixie) | 16.02+transitional.1 | DEBIAN-CVE-2023-31102 | Nov 3, 2023 |
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