{"id":"CVE-2009-1415","aliases":["EUVD-2009-1413","GHSA-2vg6-3mr6-w5mp"],"status":"published","title":"lib/pk-libgcrypt.c in libgnutls in GnuTLS before 2.6.6 does not properly handle invalid DSA...","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.","severity":{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.07922,"percentile":0.94762,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-824"],"published":"2009-04-30T20:00:00Z","modified":"2026-06-16T23:07:13Z","exploits":[{"source":"exploitdb","id":"EDB-32964","title":"GnuTLS 2.6.x - libgnutls lib/pk-libgcrypt.c Malformed DSA Key Handling Remote Denial of Service","type":"dos","platform":"linux","date":"2009-04-30","verified":true,"url":"https://www.exploit-db.com/exploits/32964"}],"products":[{"vendor":"gnu","product":"gnutls"}],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/50445","tags":["vdb-entry","x_refsource_XF","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://permalink.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/3502","tags":["mailing-list","x_refsource_MLIST","x_transferred","Broken Link"]},{"url":"http://article.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/3515","tags":["mailing-list","x_refsource_MLIST","x_transferred","Broken Link","Patch"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/50257","tags":["vdb-entry","x_refsource_XF","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://thread.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/3488","tags":["x_refsource_CONFIRM","x_transferred","Broken Link","Exploit"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/50260","tags":["vdb-entry","x_refsource_XF","x_transferred","Not Applicable"]},{"url":"http://www.vupen.com/english/advisories/2009/1218","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","Broken Link"]},{"url":"http://www.securityfocus.com/bid/34783","tags":["vdb-entry","x_refsource_BID","x_transferred","Broken Link","Third Party Advisory","VDB Entry"]},{"url":"http://security.gentoo.org/glsa/glsa-200905-04.xml","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred","Third Party Advisory"]},{"url":"http://www.securitytracker.com/id?1022157","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","Broken Link","Third Party Advisory","VDB Entry"]},{"url":"http://secunia.com/advisories/34842","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Broken Link","Vendor Advisory"]},{"url":"http://secunia.com/advisories/35211","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Broken Link"]},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2009:116","tags":["vendor-advisory","x_refsource_MANDRIVA","x_transferred","Broken Link"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-1415"},{"url":"https://github.com/advisories/GHSA-2vg6-3mr6-w5mp"}],"sources":{"cve":[{"id":"CVE-2009-1415","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.","status":"published","published":"2009-04-30T20:00:00Z","modified":"2024-08-07T05:13:25.486Z","updated_at":"2026-11-02T14:33:25.126493Z"}],"euvd":[{"id":"EUVD-2009-1413","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.","status":"published","published":"2009-04-30T20:00:00Z","modified":"2024-08-07T05:13:25Z","updated_at":"2026-11-03T01:39:21.866798Z"}],"ghsa":[{"id":"GHSA-2vg6-3mr6-w5mp","title":"lib/pk-libgcrypt.c in libgnutls in GnuTLS before 2.6.6 does not properly handle invalid DSA...","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.","status":"published","published":"2022-05-02T03:24:54Z","modified":"2024-02-09T03:32:55Z","cwes":["CWE-824"],"updated_at":"2026-11-02T14:55:34.624515Z"}],"nvd":[{"id":"CVE-2009-1415","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.","status":"published","published":"2009-04-30T20:30:00.563Z","modified":"2026-06-16T23:07:13.31Z","cvss":[{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-824"],"updated_at":"2026-11-02T14:01:35.136779Z"}]}}