CVE-2009-1391

MediumCVSS 6.8/10Last modified Jun 16, 2026

Description

Off-by-one error in the inflate function in Zlib.xs in Compress::Raw::Zlib Perl module before 2.017, as used in AMaViS, SpamAssassin, and possibly other products, allows context-dependent attackers to cause a denial of service (hang or crash) via a crafted zlib compressed stream that triggers a heap-based buffer overflow, as exploited in the wild by Trojan.Downloader-71014 in June 2009.

Metrics

CVSS 2.0 6.8/10AV:N/AC:M/Au:N/C:P/I:P/A:P

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Jun 16, 2009
Last modified
Jun 16, 2026
NVD status
Modified

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CVE-2009-1391: Medium severity, CVSS 6.8 | Vulnix