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Vulnerability record · CVE-2010-2939 · published 17 August 2010

CVE-2010-2939: Openssl vulnerability

OOpenssl · Openssl

Double free vulnerability in the ssl3_get_key_exchange function in the OpenSSL client (ssl/s3_clnt.c) in OpenSSL 1.0.0a, 0.9.8, 0.9.7, and possibly other versions, when using ECDH, allows context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted private key with an invalid prime. NOTE: some sources refer to this as a use-after-free issue.

4.3 CVSS 2.0 Medium EPSS 10.0% · top 4.6% CWE-399 · CWE-399
4.3CVSS 2.0 base score
10.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
44References
16 Jun 2026Last modified by NVD

Description

Double free vulnerability in the ssl3_get_key_exchange function in the OpenSSL client (ssl/s3_clnt.c) in OpenSSL 1.0.0a, 0.9.8, 0.9.7, and possibly other versions, when using ECDH, allows context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted private key with an invalid prime. NOTE: some sources refer to this as a use-after-free issue.

AV:N/AC:M/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
http://lists.opensuse.org/opensuse-security-announce/2010-11/msg00005.html
http://marc.info/?l=bugtraq&m=130331363227777&w=2
http://seclists.org/fulldisclosure/2010/Aug/84
http://secunia.com/advisories/40906 Vendor Advisory
http://secunia.com/advisories/41105
http://secunia.com/advisories/42309
http://secunia.com/advisories/42413
http://secunia.com/advisories/43312
http://security.FreeBSD.org/advisories/FreeBSD-SA-10:10.openssl.asc
http://securitytracker.com/id?1024296
http://slackware.com/security/viewer.php?l=slackware-security&y=2010&m=slackware-security.668793
http://www.debian.org/security/2010/dsa-2100
http://www.mail-archive.com/openssl-dev%40openssl.org/msg28043.html
http://www.mail-archive.com/openssl-dev%40openssl.org/msg28045.html
http://www.mail-archive.com/openssl-dev%40openssl.org/msg28049.html
http://www.openwall.com/lists/oss-security/2010/08/11/6
http://www.securityfocus.com/archive/1/516397/100/0/threaded
http://www.ubuntu.com/usn/USN-1003-1
http://www.vmware.com/security/advisories/VMSA-2011-0003.html
http://www.vupen.com/english/advisories/2010/2038 Vendor Advisory
http://www.vupen.com/english/advisories/2010/2229
http://www.vupen.com/english/advisories/2010/3077
http://lists.opensuse.org/opensuse-security-announce/2010-11/msg00005.html
http://marc.info/?l=bugtraq&m=130331363227777&w=2
http://seclists.org/fulldisclosure/2010/Aug/84
http://secunia.com/advisories/40906 Vendor Advisory
http://secunia.com/advisories/41105
http://secunia.com/advisories/42309
http://secunia.com/advisories/42413
http://secunia.com/advisories/43312
http://security.FreeBSD.org/advisories/FreeBSD-SA-10:10.openssl.asc
http://securitytracker.com/id?1024296
http://slackware.com/security/viewer.php?l=slackware-security&y=2010&m=slackware-security.668793
http://www.debian.org/security/2010/dsa-2100
http://www.mail-archive.com/openssl-dev%40openssl.org/msg28043.html
http://www.mail-archive.com/openssl-dev%40openssl.org/msg28045.html
http://www.mail-archive.com/openssl-dev%40openssl.org/msg28049.html
http://www.openwall.com/lists/oss-security/2010/08/11/6
http://www.securityfocus.com/archive/1/516397/100/0/threaded
http://www.ubuntu.com/usn/USN-1003-1

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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-2010-2939), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.