CVE-2009-1884

CVE-2009-1884 is a medium-severity vulnerability in Bzip Compress-raw-bzip2 with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-189.

Key facts

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.

Frequently asked questions

What is CVE-2009-1884?
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.
How severe is CVE-2009-1884?
CVE-2009-1884 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2009-1884 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-1884?
CVE-2009-1884 primarily affects Bzip Compress-raw-bzip2. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-1884?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-1884 published?
CVE-2009-1884 was published on 2009-08-19 and last updated on 2026-06-16.

References

Affected products (16)

Other CWE-189 (Numeric Errors) vulnerabilities

Browse all CWE-189 (Numeric Errors) vulnerabilities →

Threat intelligence

Threat-intel indicators referencing this CVE: