CVE-2019-6690

python-gnupg 0.4.3 allows context-dependent attackers to trick gnupg to decrypt other ciphertext than intended. To perform the attack, the passphrase to gnupg must be controlled by the adversary and the ciphertext should be trusted. Related to a "CWE-20: Improper Input Validation" issue affecting the affect functionality component.

• CWE-20

• http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00008.htmlMailing List, Third Party Advisory
• http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00058.htmlMailing List, Third Party Advisory
• http://packetstormsecurity.com/files/151341/Python-GnuPG-0.4.3-Improper-Input-Validation.htmlThird Party Advisory, VDB Entry
• http://www.securityfocus.com/bid/106756Broken Link
• https://blog.hackeriet.no/cve-2019-6690-python-gnupg-vulnerability/Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2019/02/msg00021.htmlMailing List, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2021/12/msg00027.htmlMailing List, Third Party Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3WMV6XNPPL3VB3RQRFFOBCJ3AGWC4K47/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W6KYZMN2PWXY4ENZVJUVTGFBVYEVY7II/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X4VFRUG56542LTYK4444TPJBGR57MT25/
• https://pypi.org/project/python-gnupg/#historyProduct, Third Party Advisory
• https://seclists.org/bugtraq/2019/Jan/41Mailing List, Third Party Advisory
• https://usn.ubuntu.com/3964-1/Third Party Advisory
• http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00008.htmlMailing List, Third Party Advisory
• http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00058.htmlMailing List, Third Party Advisory
• http://packetstormsecurity.com/files/151341/Python-GnuPG-0.4.3-Improper-Input-Validation.htmlThird Party Advisory, VDB Entry
• http://www.securityfocus.com/bid/106756Broken Link
• https://blog.hackeriet.no/cve-2019-6690-python-gnupg-vulnerability/Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2019/02/msg00021.htmlMailing List, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2021/12/msg00027.htmlMailing List, Third Party Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3WMV6XNPPL3VB3RQRFFOBCJ3AGWC4K47/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W6KYZMN2PWXY4ENZVJUVTGFBVYEVY7II/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X4VFRUG56542LTYK4444TPJBGR57MT25/
• https://pypi.org/project/python-gnupg/#historyProduct, Third Party Advisory
• https://seclists.org/bugtraq/2019/Jan/41Mailing List, Third Party Advisory
• https://usn.ubuntu.com/3964-1/Third Party Advisory

Published

Mar 21, 2019

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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• CVE-2019-6685On BIG-IP versions 15.0.0-15.0.1.1, 14.1.0-14.1.2.2, 14.0.0-…7.8
• CVE-2019-6686On BIG-IP versions 15.0.0-15.0.1.1, 14.1.0-14.1.2, 14.0.0-14…5.3
• CVE-2019-6687On versions 15.0.0-15.0.1.1, the BIG-IP ASM Cloud Security S…7.4
• CVE-2019-6688On BIG-IP versions 15.0.0-15.0.1.1, 14.1.0-14.1.2.2, 14.0.0-…4.3
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• CVE-2019-6693Use of a hard-coded cryptographic key to cipher sensitive da…6.5
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