CVE-2009-4355
Memory leak in the zlib_stateful_finish function in crypto/comp/c_zlib.c in OpenSSL 0.9.8l and earlier and 1.0.0 Beta through Beta 4 allows remote attackers to cause a denial of service (memory consumption) via vectors that trigger incorrect calls to the CRYPTO_cleanup_all_ex_data function, as demonstrated by use of SSLv3 and PHP with the Apache HTTP Server, a related issue to CVE-2008-1678.
Key facts
- CVSS score
- 5.0 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P- Weakness (CWE)
- CWE-399
- EPSS score
- 9.2% (95th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2009-4323)
- Published
- January 14, 2010
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2009-4323 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
and 21 more…
References
- http://cvs.openssl.org/chngview?cn=19068
- http://cvs.openssl.org/chngview?cn=19069
- http://cvs.openssl.org/chngview?cn=19167
- http://lists.fedoraproject.org/pipermail/package-announce/2010-April/038587.html
- http://lists.fedoraproject.org/pipermail/package-announce/2010-April/039561.html
- http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00009.html
- http://marc.info/?l=bugtraq&m=127128920008563&w=2
- http://secunia.com/advisories/38175(Vendor Advisory)
- http://secunia.com/advisories/38181(Vendor Advisory)
- http://secunia.com/advisories/38200(Vendor Advisory)
- http://secunia.com/advisories/38761
- http://secunia.com/advisories/39461
- http://secunia.com/advisories/42724
- http://secunia.com/advisories/42733
- http://slackware.com/security/viewer.php?l=slackware-security&y=2010&m=slackware-security.663049
- http://wiki.rpath.com/wiki/Advisories:rPSA-2010-0004
- http://www.debian.org/security/2010/dsa-1970
- http://www.mandriva.com/security/advisories?name=MDVSA-2010:022
- http://www.openwall.com/lists/oss-security/2010/01/13/3
- http://www.ubuntu.com/usn/USN-884-1(Vendor Advisory)
- http://www.vupen.com/english/advisories/2010/0124(Vendor Advisory)
- http://www.vupen.com/english/advisories/2010/0839
- http://www.vupen.com/english/advisories/2010/0916
- https://bugzilla.redhat.com/show_bug.cgi?id=546707
- https://issues.rpath.com/browse/RPL-3157
- https://kb.bluecoat.com/index?page=content&id=SA50
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11260
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12168
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6678
- https://rhn.redhat.com/errata/RHSA-2010-0095.html
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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