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Vulnerability record · CVE-2009-1379 · published 19 May 2009

CVE-2009-1379: Openssl vulnerability

OOpenssl · Openssl

Use-after-free vulnerability in the dtls1_retrieve_buffered_fragment function in ssl/d1_both.c in OpenSSL 1.0.0 Beta 2 allows remote attackers to cause a denial of service (openssl s_client crash) and possibly have unspecified other impact via a DTLS packet, as demonstrated by a packet from a server that uses a crafted server certificate.

5.0 CVSS 2.0 Medium EPSS 18% · top 2.9% CWE-399 · CWE-399
5.0CVSS 2.0 base score
18%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
64References, 2 tagged exploit
16 Jun 2026Last modified by NVD

Description

Use-after-free vulnerability in the dtls1_retrieve_buffered_fragment function in ssl/d1_both.c in OpenSSL 1.0.0 Beta 2 allows remote attackers to cause a denial of service (openssl s_client crash) and possibly have unspecified other impact via a DTLS packet, as demonstrated by a packet from a server that uses a crafted server certificate.

AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2009-009.txt.asc
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c02029444
http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00003.html
http://lists.vmware.com/pipermail/security-announce/2010/000082.html
http://rt.openssl.org/Ticket/Display.html?id=1923&user=guest&pass=guest Exploit
http://secunia.com/advisories/35416
http://secunia.com/advisories/35461
http://secunia.com/advisories/35571
http://secunia.com/advisories/35729
http://secunia.com/advisories/36533
http://secunia.com/advisories/37003
http://secunia.com/advisories/38761
http://secunia.com/advisories/38794
http://secunia.com/advisories/38834
http://secunia.com/advisories/42724
http://secunia.com/advisories/42733
http://security.gentoo.org/glsa/glsa-200912-01.xml
http://slackware.com/security/viewer.php?l=slackware-security&y=2010&m=slackware-security.663049
http://sourceforge.net/mailarchive/message.php?msg_name=4AD43807.7080105%40users.sourceforge.net
http://voodoo-circle.sourceforge.net/sa/sa-20091012-01.html
http://www.openwall.com/lists/oss-security/2009/05/18/4
http://www.redhat.com/support/errata/RHSA-2009-1335.html
http://www.securityfocus.com/bid/35138
http://www.securitytracker.com/id?1022241
http://www.ubuntu.com/usn/USN-792-1
http://www.vupen.com/english/advisories/2009/1377
http://www.vupen.com/english/advisories/2010/0528
https://exchange.xforce.ibmcloud.com/vulnerabilities/50661
https://kb.bluecoat.com/index?page=content&id=SA50
https://launchpad.net/bugs/cve/2009-1379
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6848
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9744
ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2009-009.txt.asc
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c02029444
http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00003.html
http://lists.vmware.com/pipermail/security-announce/2010/000082.html
http://rt.openssl.org/Ticket/Display.html?id=1923&user=guest&pass=guest Exploit
http://secunia.com/advisories/35416
http://secunia.com/advisories/35461
http://secunia.com/advisories/35571

Track CVE-2009-1379 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2009-1379), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.