Medium 5.0Published May 19, 2005

CVE-2005-1260bzip2 allows remote attackers to cause a denial of service (hard drive consumption) via a crafted bzip2 file that causes an infinite loop (a.k.a "decompression bomb").

Updated under an hour ago (Nov 2, 2026, 12:20 AM ET)

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No exploitation reported and no EPSS estimate yet.

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bzip2 allows remote attackers to cause a denial of service (hard drive consumption) via a crafted bzip2 file that causes an infinite loop (a.k.a "decompression bomb").

CVSS: 5.0 MEDIUM (v2.0, NVD)AV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness (CWE): CWE-400
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Modified
Record last updated: Jun 16, 2026
First seen by InfoSec Signals: Nov 1, 2026

Affected products

Affected products

bzip bzip2 bzip:bzip2	before 1.0.3	NVD
canonical ubuntu_linux canonical:ubuntu_linux	4.10; 5.04	NVD
debian debian_linux debian:debian_linux	3.0; 3.1	NVD
apple mac_os_x apple:mac_os_x	before 10.4.11	NVD

References

References

http://docs.info.apple.com/article.html?artnum=307041	broken-link
http://lists.apple.com/archives/security-announce/2007/Nov/msg00002.html	mailing-list, third-party-advisory
http://secunia.com/advisories/15447	third-party-advisory
http://secunia.com/advisories/19183	third-party-advisory
http://secunia.com/advisories/27274	third-party-advisory
http://secunia.com/advisories/27643	third-party-advisory
http://sunsolve.sun.com/search/document.do?assetkey=1-26-103118-1	broken-link
http://sunsolve.sun.com/search/document.do?assetkey=1-66-200191-1	broken-link
http://www.debian.org/security/2005/dsa-741	third-party-advisory
http://www.fedoralegacy.org/updates/FC2/2005-11-14-FLSA_2005_158801__Updated_bzip2_packages_fix_security_issues.html	permissions-required
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The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.