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Vulnerability record · CVE-2009-1415 · published 30 April 2009

CVE-2009-1415: Gnutls vulnerability

Gnu · Gnutls

lib/pk-libgcrypt.c in libgnutls in GnuTLS before 2.6.6 does not properly handle invalid DSA signatures, which allows remote attackers to cause a denial of service (application crash) and possibly have unspecified other impact via a malformed DSA key that triggers a (1) free of an uninitialized pointer or (2) double free.

4.3 CVSS 2.0 Medium EPSS 7.9% · top 5.5% CWE-824 · CWE-824
4.3CVSS 2.0 base score
7.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
26References, 2 tagged exploit
16 Jun 2026Last modified by NVD

Description

lib/pk-libgcrypt.c in libgnutls in GnuTLS before 2.6.6 does not properly handle invalid DSA signatures, which allows remote attackers to cause a denial of service (application crash) and possibly have unspecified other impact via a malformed DSA key that triggers a (1) free of an uninitialized pointer or (2) double free.

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://article.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/3515 Broken LinkPatch
http://permalink.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/3502 Broken Link
http://secunia.com/advisories/34842 Broken LinkVendor Advisory
http://secunia.com/advisories/35211 Broken Link
http://security.gentoo.org/glsa/glsa-200905-04.xml Third Party Advisory
http://thread.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/3488 Broken LinkExploit
http://www.mandriva.com/security/advisories?name=MDVSA-2009:116 Broken Link
http://www.securityfocus.com/bid/34783 Broken LinkThird Party AdvisoryVDB Entry
http://www.securitytracker.com/id?1022157 Broken LinkThird Party AdvisoryVDB Entry
http://www.vupen.com/english/advisories/2009/1218 Broken Link
https://exchange.xforce.ibmcloud.com/vulnerabilities/50257 Third Party AdvisoryVDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/50260 Not Applicable
https://exchange.xforce.ibmcloud.com/vulnerabilities/50445 Third Party AdvisoryVDB Entry
http://article.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/3515 Broken LinkPatch
http://permalink.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/3502 Broken Link
http://secunia.com/advisories/34842 Broken LinkVendor Advisory
http://secunia.com/advisories/35211 Broken Link
http://security.gentoo.org/glsa/glsa-200905-04.xml Third Party Advisory
http://thread.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/3488 Broken LinkExploit
http://www.mandriva.com/security/advisories?name=MDVSA-2009:116 Broken Link
http://www.securityfocus.com/bid/34783 Broken LinkThird Party AdvisoryVDB Entry
http://www.securitytracker.com/id?1022157 Broken LinkThird Party AdvisoryVDB Entry
http://www.vupen.com/english/advisories/2009/1218 Broken Link
https://exchange.xforce.ibmcloud.com/vulnerabilities/50257 Third Party AdvisoryVDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/50260 Not Applicable
https://exchange.xforce.ibmcloud.com/vulnerabilities/50445 Third Party AdvisoryVDB Entry

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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-2009-1415), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.