Vulnerability · Published Jan 10, 2023 · Assigned by mitre
CVE-2023-22895
High 7.5
In plain English
A high-severity integer overflow in the rust-bzip2 package (Debian). Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 69% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)1.2%top 30.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
The bzip2 crate before 0.4.4 for Rust allow attackers to cause a denial of service via a large file that triggers an integer overflow in mem.rs. NOTE: this is unrelated to the https://crates.io/crates/bzip2-rs product.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | rust-bzip2 | 0.4.4-1 | DEBIAN-CVE-2023-22895 |
| Debian:13 | rust-bzip2 | 0.4.4-1 | DEBIAN-CVE-2023-22895 |
| Debian:14 | rust-bzip2 | 0.4.4-1 | DEBIAN-CVE-2023-22895 |
| Ubuntu:22.04:LTS | rust-bzip2 | no fix listed | UBUNTU-CVE-2023-22895 |
| Ubuntu:24.04:LTS | rust-bzip2 | no fix listed | UBUNTU-CVE-2023-22895 |
| Ubuntu:25.10 | rust-bzip2 | no fix listed | UBUNTU-CVE-2023-22895 |
| Ubuntu:26.04:LTS | rust-bzip2 | no fix listed | UBUNTU-CVE-2023-22895 |
| Ubuntu:26.10 | rust-bzip2 | no fix listed | UBUNTU-CVE-2023-22895 |
Affected products (as reported)
Weakness: CWE-190 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
- https://github.com/alexcrichton/bzip2-rs/pull/86
- https://crates.io/crates/bzip2/versions
- FEDORA-2023-c17427d18a vendor-advisory
- FEDORA-2023-7bd6fbb5fa vendor-advisory
- FEDORA-2023-c08ee112f6 vendor-advisory