HOMEVULNERABILITIESCVE-2009-1884
MEDIUM

CVE-2009-1884

CWE-189Published: August 19, 2009· Updated: Jun 16, 2026

4.3
CVSS v3.1

Official Description

Off-by-one error in the bzinflate function in Bzip2.xs in the Compress-Raw-Bzip2 module before 2.018 for Perl allows context-dependent attackers to cause a denial of service (application hang or crash) via a crafted bzip2 compressed stream that triggers a buffer overflow, a related issue to CVE-2009-1391.

NVD Source

Technical Analysis

CVE-2009-1884 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityM
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityNone
IntegrityNone
AvailabilityP
AV:N/AC:M/Au:N/C:N/I:N/A:P

Affected Vendors & Products

bzip1 product(s)
compress-raw-bzip2
perl1 product(s)
perl
Source: NVD CPE · 17 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (18)

Quick Facts

CVE IDCVE-2009-1884
CVSS Score4.3 / 10
SeverityMEDIUM
WeaknessCWE-189
CISA KEVNo
Affected2 vendor(s)
PublishedAug 19, 2009

Related CVEs (CWE-189)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2009-1884 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.