peter bassill · operator
$ cve CVE-2009-1391 JSON

CVE-2009-1391 EXPLOIT

6.8
MEDIUM · CVSS 2.0 · EPSS 7.4% (pctl 94)

Patch early

A public exploit exists.

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.

Scoring

CVSS6.8 (MEDIUM, v2.0)
VectorAV:N/AC:M/Au:N/C:P/I:P/A:P
EPSS7.44% — more likely to be exploited than 94% of all CVEs
WeaknessCWE-189
On CISA KEVno
Public exploityes
Published2009-06-16
Last modified2026-06-16

Affected (1)

VendorProduct
paul marquesscompress-raw-zlib perl module

Public exploits

SourceTitleDate
exploit-dbCompress::Raw::Zlib Perl Module - Remote Code Execution2009-05-11

References

→ the Explorer  ·  watch your stack  ·  NVD