CVE-2009-1391 json
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 p…
published 2009-06-16 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-1389
- cvss
- 6.8
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 7.4%
- EPSS 7.4% chance of exploitation in 30 days, percentile 94%
- public exploits
- 1
- Exploit-DB
Summary
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.
Patch / fix
- perl Debian 14, Debian 13, Debian 12 5.10.0-23
- libcompress-raw-zlib-perl Debian 14, Debian 13, Debian 12 2.015-2
debian advisories DEBIAN-CVE-2009-1391
Timeline
- First public exploit (EDB-33032)
- Published
Exploit prediction
7.44% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-33032 Compress::Raw::Zlib Perl Module - Remote Code Execution remote, 2009-05-11
- securityfocus.com http://www.securityfocus.com/bid/35307 referenced PoC, tagged "exploit" by a source, unverified
- bugzilla.redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=504386 referenced PoC, tagged "exploit" by a source, unverified
- article.gmane.org http://article.gmane.org/gmane.mail.virus.amavis.user/33638 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-189 Numeric Errors
References
-
securityfocus.com
/bid/35307
vdb-entry, exploit, patch
-
vupen.com
/english/advisories/2009/1571
vdb-entry, patch, vendor-advisory
-
bugzilla.redhat.com
/show_bug.cgi?id=504386
exploit
-
article.gmane.org
/gmane.mail.virus.amavis.user/33638
exploit
-
usn.ubuntu.com
/794-1/
vendor-advisory
-
mandriva.com
/security/advisories?name=MDVSA-2009:157
vendor-advisory
-
security.gentoo.org
/glsa/glsa-200908-07.xml
vendor-advisory
-
lists.opensuse.org
/opensuse-security-announce/2009-07/msg00002.html
vendor-advisory
-
redhat.com
/archives/fedora-package-announce/2009-July/msg00607.html
vendor-advisory
-
secunia.com
/advisories/35422
third-party-advisory, vendor-advisory
- article.gmane.org /gmane.mail.virus.amavis.user/33635
- thread.gmane.org /gmane.mail.virus.amavis.user/33635
-
exchange.xforce.ibmcloud.com
/vulnerabilities/51062
vdb-entry
- bugs.gentoo.org /show_bug.cgi?id=273141
-
secunia.com
/advisories/35685
third-party-advisory
-
secunia.com
/advisories/35689
third-party-advisory
-
osvdb.org
/55041
vdb-entry
-
secunia.com
/advisories/35876
third-party-advisory
Sources
- CVE List CVE-2009-1391
- NVD CVE-2009-1391
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.