CVE-2005-0953

3.7 LOW 0.4% exploit odds Fix listed

What it is

Race condition in bzip2 1.0.2 and earlier allows local users to modify permissions of arbitrary files via a hard link attack on a file while it is being decompressed, whose permissions are changed by bzip2 after the decompression is complete.

At a glance

Exploitability: Can be exploited locally on the machine without logging in. Limited direct impact.
Exploit odds: 0.4% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2005-05-02 04:00 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-16 22:12 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.4% in the next 30 days (EPSS).
Severity: 3.7 LOW (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2005-05-02 04:00 UTC
Last modified: 2026-06-16 22:12 UTC
Exploit probability: 0.4% · EPSS, next 30 days
Record status: Modified

Affected

Bzip bzip2 0.9
Bzip bzip2 0.9.5_a
Bzip bzip2 0.9.5_b
Bzip bzip2 0.9.5_c
Bzip bzip2 0.9.5_d
Bzip bzip2 0.9_a
Bzip bzip2 0.9_b
Bzip bzip2 0.9_c

Attack profile CVSS 2.0 · 3.7

Attack vector: Local
Complexity: High
Authentication: None
Confidentiality: Partial
Integrity: Partial
Availability: Partial

Raw vector

AV:L/AC:H/Au:N/C:P/I:P/A:P

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2005-0953.md and follow it. Check whether this project is affected by CVE-2005-0953. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record