CVE-2002-0759
bzip2 before 1.0.2 in FreeBSD 4.5 and earlier, OpenLinux 3.1 and 3.1.1, and possibly other operating systems, does not use the O_EXCL flag to create files during decompression and does not warn the user if an existing file would be overwritten, which…
Does this matter?
Lower severity and a low EPSS score (1.35%). Track it; it rarely justifies an emergency change on its own.
Description
bzip2 before 1.0.2 in FreeBSD 4.5 and earlier, OpenLinux 3.1 and 3.1.1, and possibly other operating systems, does not use the O_EXCL flag to create files during decompression and does not warn the user if an existing file would be overwritten, which could allow attackers to overwrite files via a bzip2 archive.
- CVSS 2.0
- 5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:P/A:N
- EPSS
- 1.35% probability · 71th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Affected
- bzip/bzip2
- Source
- cve@mitre.org
EPSS 1.3% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- ftp://ftp.caldera.com/pub/security/OpenLinux/CSSA-2002-039.0.txt
- ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-02:25.bzip2.ascPatch, Vendor Advisory
- http://www.iss.net/security_center/static/9126.phpPatch, Vendor Advisory
- http://www.securityfocus.com/bid/4774Patch, Vendor Advisory
- ftp://ftp.caldera.com/pub/security/OpenLinux/CSSA-2002-039.0.txt
- ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-02:25.bzip2.ascPatch, Vendor Advisory
- http://www.iss.net/security_center/static/9126.phpPatch, Vendor Advisory
- http://www.securityfocus.com/bid/4774Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.