Vulnerability · Published Nov 3, 2023 · Assigned by mitre
CVE-2023-31102
High 7.8
In plain English
A high-severity security flaw in the 7zip package (Debian). Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 54.0% (higher than 99.0% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)54.0%top 1.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
Ppmd7.c in 7-Zip before 23.00 allows an integer underflow and invalid read operation via a crafted 7Z archive.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | 7zip | 22.01+really25.01+dfsg-0+deb12u1 | DEBIAN-CVE-2023-31102 |
| Debian:13 | 7zip | 23.01+dfsg-1 | DEBIAN-CVE-2023-31102 |
| Debian:14 | 7zip | 23.01+dfsg-1 | DEBIAN-CVE-2023-31102 |
| Debian:12 | p7zip | 16.02+really25.01+dfsg-0+deb12u1 | DEBIAN-CVE-2023-31102 |
| Debian:13 | p7zip | 16.02+transitional.1 | DEBIAN-CVE-2023-31102 |
Affected products (as reported)
Weakness: CWE-191 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H