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CVE-2019-6690

29
FAUCET Score

CVE-2019-6690 is a high-severity vulnerability in python-gnupg 0.4.3 that allows attackers to trick GnuPG into decrypting unintended ciphertext if they control the passphrase and the ciphertext is trusted. This improper input validation (CWE-20) affects various distributions including Canonical, Debian, openSUSE, and SUSE. With a CVSS score of 7.5, it has a low attack complexity and can lead to high integrity impact, though confidentiality and availability are not affected. There is currently no public exploit code available, nor is there evidence of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
0.4.3CPE matchmatch criteria
cpe:2.3:a:python:python-gnupg:0.4.3:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
15.0CPE matchmatch criteria
cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:suse:backports:-:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
8.55%
Probability of exploitation in next 30 days
EPSS Percentile
94.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0855 is in the 91st percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

pippatch availablevia ghsa
Product: python-gnupgFixed in: 0.4.4
redhatend of lifevia redhat_api
Product: Red Hat Update Infrastructure 3 for Cloud ProvidersFixed in: python-gnupg

Vendor Advisories (2)

pipGHSA-2fch-jvg5-crf6high

Improper Input Validation python-gnupg

Mar 25, 2019
redhatCVE-2019-6690Moderate

python-gnupg: improper input validation in gnupg.GPG.encrypt() and gnupg.GPG.decrypt()

Jan 23, 2019

References

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