Home/CVE/The bzip2 crate before 0.4.4 for Rust allow attackers to cause a denial of service via a large file that triggers an int
CVE

CVE-2023-22895

The bzip2 crate before 0.4.4 for Rust allow attackers to cause a denial of service via a large file that triggers an int

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.

HIGH · CVSS 7.5 EPSS 0.00522
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-190Integer Overflow or Wraparound
CWE-190Integer Overflow or Wraparound
▤

Affected Products & Versions

1
bzip2 project bzip2< 0.4.4
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
crates.io bzip2 HIGH fixed in 0.4.4
⚠

Public Exploits & PoCs

1
pocgithub.com · pull/86github.com
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD10 Jan 2023 · 01:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

5
suse-csafopenSUSE-SU-2025:15094-1
suse-csafopenSUSE-SU-2024:12610-1
suse-csafopenSUSE-SU-2024:12614-1
suse-csafopenSUSE-SU-2024:12616-1
msrcCVE-2023-22895
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://crates.io/crates/bzip2/versionsPatchThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MI5SVRSGKBWB2JGDLDVIFY5ZQVDZP6I7/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SQK57GGXJX3AH7KF6S7S3N7JC5QOYUQ7/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UUK2JO25PPA6XBREKJRBLRCD22LKIOLO/
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