Use After Free in Bzip Bzip2
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.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.156 (96.7th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 96.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.156 · newest: 0.156 · change: 0.000
Affected products
- Bzip Bzip2 — versions 1.0.6
- Python
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.openwall.com/lists/oss-security/2016/06/20/1 (mailing-list, Mailing List)
- www.securitytracker.com/id/1036132 (VDB Entry, Third Party Advisory, vdb-entry)
- www.securityfocus.com/bid/91297 (VDB Entry, Third Party Advisory, vdb-entry)
- security.gentoo.org/glsa/201708-08 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2019/06/msg00021.html (mailing-list, Third Party Advisory)
- usn.ubuntu.com/4038-2/ (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/4038-1/ (vendor-advisory, Third Party Advisory)
- seclists.org/bugtraq/2019/Jul/22 (mailing-list, Mailing List, Third Party Advisory)
- security.FreeBSD.org/advisories/FreeBSD-SA-19:18.bzip2.asc (vendor-advisory, Third Party Advisory)
- seclists.org/bugtraq/2019/Aug/4 (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2016-3189?
- CVE-2016-3189 is a medium-severity vulnerability in Bzip Bzip2, classified under Use After Free. CVSS score: 6.5/10. Published 2016-06-30.
- How severe is CVE-2016-3189?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2016-3189 known to be exploited?
- 15 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.