CVE-2016-3189

Use-after-free vulnerability in bzip2recover in bzip2 1.0.6 allows remote attackers to cause a denial of service (crash) via a crafted bzip2 file, related to block ends set to before the start of the block.

CVSS 3.1

6.5CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS

16% chance of exploitation in the next 30 days; higher than 96% of CVEs (scores of 2026-10-25)

CWE

CWE-416

Published

2016-06-30

Modified

2026-10-14

Record from

the NVD, synced 2026-10-19

Affected

• bzip:bzip2
• python:python

References

• http://packetstormsecurity.com/files/153644/Slackware-Security-Advisory-bzip2-Updates.html
• http://packetstormsecurity.com/files/153957/FreeBSD-Security-Advisory-FreeBSD-SA-19-18.bzip2.html
• http://www.openwall.com/lists/oss-security/2016/06/20/1
• http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html
• http://www.securityfocus.com/bid/91297

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