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
Published Jun 16, 2009
6.8
MEDIUMCVSS 2.0
EPSS 7.44%
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.
Affected products
No data.
- ≤ 2.015
- 2.001
- 2.002
- 2.003
- 2.004
- 2.005
- 2.006
- 2.008
- 2.009
- 2.010
- 2.011
- 2.012
- 2.014
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 7.44% (0.07441) | 94.27th | v5 (v2026.06.15) |
| Jun 15, 2026 | 7.08% (0.07084) | 93.38th | v5 (v2026.06.15) |
| Dec 18, 2025 | 18.38% (0.18375) | 95.00th | v4 (v2025.03.14) |
| Mar 17, 2025 | 19.40% (0.19404) | 94.91th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.68% (0.00682) | 80.68th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.68% (0.00682) | 79.38th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.68% (0.00682) | 76.90th | v3 (v2023.03.01) |
| Mar 6, 2023 | 5.36% (0.05356) | 89.91th | v2 (v2022.01.01) |
| Apr 1, 2022 | 5.36% (0.05356) | 88.93th | v2 (v2022.01.01) |
| Feb 4, 2022 | 5.36% (0.05356) | 76.09th | v2 (v2022.01.01) |
References (18)
- http://article.gmane.org/gmane.mail.virus.amavis.user/33635 x_refsource_MISC
- http://article.gmane.org/gmane.mail.virus.amavis.user/33638 x_refsource_MISCExploit
- http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html vendor-advisoryx_refsource_SUSE
- http://osvdb.org/55041 vdb-entryx_refsource_OSVDB
- http://secunia.com/advisories/35422 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/35685 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/35689 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/35876 third-party-advisoryx_refsource_SECUNIA
- http://security.gentoo.org/glsa/glsa-200908-07.xml vendor-advisoryx_refsource_GENTOO
- http://thread.gmane.org/gmane.mail.virus.amavis.user/33635 x_refsource_MISC
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:157 vendor-advisoryx_refsource_MANDRIVA
- http://www.securityfocus.com/bid/35307 vdb-entryx_refsource_BIDExploitPatch
- http://www.vupen.com/english/advisories/2009/1571 vdb-entryx_refsource_VUPENPatchVendor Advisory
- https://bugs.gentoo.org/show_bug.cgi?id=273141 x_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=504386 x_refsource_CONFIRMExploit
- https://exchange.xforce.ibmcloud.com/vulnerabilities/51062 vdb-entryx_refsource_XF
- https://usn.ubuntu.com/794-1/ vendor-advisoryx_refsource_UBUNTU
- https://www.redhat.com/archives/fedora-package-announce/2009-July/msg00607.html vendor-advisoryx_refsource_FEDORA
Change history (0)
No recorded changes yet.