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
02 Description
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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 9.18% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 95.0% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2010-01-14 19:00Z16 YR AGO
- Last updated
- 2024-08-07 07:01Z2 YR AGO
- Reserved
- 2009-12-18
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- d2e713e8c02ea37ea9b61690d049d1bb755f20ef21fee50cb27f0d4d1805adee
05 Affected products
06 References
- www.debian.orgDSA-1970http://www.debian.org/security/2010/dsa-1970
- www.vupen.comADV-2010-0916http://www.vupen.com/english/advisories/2010/0916
- cvs.openssl.orghttp://cvs.openssl.org/chngview?cn=19167
- secunia.com42724http://secunia.com/advisories/42724
- secunia.com39461http://secunia.com/advisories/39461
- oval.cisecurity.orgoval:org.mitre.oval:def:11260https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11260
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=546707
- lists.fedoraproject.orgFEDORA-2010-5357http://lists.fedoraproject.org/pipermail/package-announce/2010-April/039561.html
- slackware.comSSA:2010-060-02http://slackware.com/security/viewer.php?l=slackware-security&y=2010&m=slackware-security.663049
- secunia.com38761http://secunia.com/advisories/38761
- wiki.rpath.comhttp://wiki.rpath.com/wiki/Advisories:rPSA-2010-0004
- secunia.com38181http://secunia.com/advisories/38181
- secunia.com38200http://secunia.com/advisories/38200
- issues.rpath.comhttps://issues.rpath.com/browse/RPL-3157
- www.vupen.comADV-2010-0839http://www.vupen.com/english/advisories/2010/0839
- cvs.openssl.orghttp://cvs.openssl.org/chngview?cn=19069
- marc.infoHPSBUX02517http://marc.info/?l=bugtraq&m=127128920008563&w=2
- cvs.openssl.orghttp://cvs.openssl.org/chngview?cn=19068
- www.mandriva.comMDVSA-2010:022http://www.mandriva.com/security/advisories?name=MDVSA-2010:022
- rhn.redhat.comRHSA-2010:0095https://rhn.redhat.com/errata/RHSA-2010-0095.html
- www.ubuntu.comUSN-884-1http://www.ubuntu.com/usn/USN-884-1
- lists.opensuse.orgSUSE-SA:2010:008http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00009.html
- www.openwall.com[oss-security] 20100113 [PATCH] memory consumption (DoS) in openssl CVE-2009-4355http://www.openwall.com/lists/oss-security/2010/01/13/3
- kb.bluecoat.comhttps://kb.bluecoat.com/index?page=content&id=SA50
- oval.cisecurity.orgoval:org.mitre.oval:def:6678https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6678
- secunia.com42733http://secunia.com/advisories/42733
- www.vupen.comADV-2010-0124http://www.vupen.com/english/advisories/2010/0124
- lists.fedoraproject.orgFEDORA-2010-5744http://lists.fedoraproject.org/pipermail/package-announce/2010-April/038587.html
- secunia.com38175http://secunia.com/advisories/38175
- oval.cisecurity.orgoval:org.mitre.oval:def:12168https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12168
07 Fixed in
Debian 12
- openssl Fixed in 0.9.8k-8
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- openssl Fixed in 0.9.8k-8
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- openssl Fixed in 0.9.8k-8
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.