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Curl: [Unknown description] (CVE-2026-19931)

0
Medium
Published: 09/02/2026 (09/02/2026, 00:00:00 UTC)
Source: GCVE Database
Product: curl

Description

CVE-2026-19931 is a high severity vulnerability affecting multiple specific Ubuntu-packaged versions of curl. The vulnerability has a CVSS 3.1 score of 9.8, indicating critical impact on confidentiality, integrity, and availability. However, the exact technical details and description of the vulnerability are not provided in the available data. There are no known exploits in the wild reported at this time. The affected versions are numerous Ubuntu-specific curl package versions spanning several Ubuntu LTS releases. No patch or remediation information is currently available from the provided data.

CVSS v3.1

Score 9.8critical

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected software

Ubuntu:Pro:14.04:LTSmore threats →ghsa
curl
pkg:deb/ubuntu/curl?arch=source&distro=esm-infra-legacy/trusty
Affected versions
=7.32.0-1ubuntu1=7.33.0-1ubuntu1=7.34.0-1ubuntu1=7.35.0-1ubuntu1=7.35.0-1ubuntu2=7.35.0-1ubuntu2.1=7.35.0-1ubuntu2.2=7.35.0-1ubuntu2.3=7.35.0-1ubuntu2.5=7.35.0-1ubuntu2.6=7.35.0-1ubuntu2.7=7.35.0-1ubuntu2.8=7.35.0-1ubuntu2.9=7.35.0-1ubuntu2.10=7.35.0-1ubuntu2.11=7.35.0-1ubuntu2.12=7.35.0-1ubuntu2.13=7.35.0-1ubuntu2.14=7.35.0-1ubuntu2.15=7.35.0-1ubuntu2.16=7.35.0-1ubuntu2.17=7.35.0-1ubuntu2.19=7.35.0-1ubuntu2.20=7.35.0-1ubuntu2.20+esm2=7.35.0-1ubuntu2.20+esm3=7.35.0-1ubuntu2.20+esm4=7.35.0-1ubuntu2.20+esm5=7.35.0-1ubuntu2.20+esm6=7.35.0-1ubuntu2.20+esm7=7.35.0-1ubuntu2.20+esm8=7.35.0-1ubuntu2.20+esm9=7.35.0-1ubuntu2.20+esm10=7.35.0-1ubuntu2.20+esm11=7.35.0-1ubuntu2.20+esm12=7.35.0-1ubuntu2.20+esm13=7.35.0-1ubuntu2.20+esm14=7.35.0-1ubuntu2.20+esm15=7.35.0-1ubuntu2.20+esm16=7.35.0-1ubuntu2.20+esm17=7.35.0-1ubuntu2.20+esm18=7.35.0-1ubuntu2.20+esm19=7.35.0-1ubuntu2.20+esm20=7.35.0-1ubuntu2.20+esm21=7.35.0-1ubuntu2.20+esm22
Ubuntu:Pro:16.04:LTSmore threats →ghsa
curl
pkg:deb/ubuntu/curl?arch=source&distro=esm-infra-legacy/xenial
Affected versions
=7.43.0-1ubuntu2=7.45.0-1ubuntu1=7.46.0-1ubuntu1=7.47.0-1ubuntu1=7.47.0-1ubuntu2=7.47.0-1ubuntu2.1=7.47.0-1ubuntu2.2=7.47.0-1ubuntu2.3=7.47.0-1ubuntu2.4=7.47.0-1ubuntu2.5=7.47.0-1ubuntu2.6=7.47.0-1ubuntu2.7=7.47.0-1ubuntu2.8=7.47.0-1ubuntu2.9=7.47.0-1ubuntu2.11=7.47.0-1ubuntu2.12=7.47.0-1ubuntu2.13=7.47.0-1ubuntu2.14=7.47.0-1ubuntu2.15=7.47.0-1ubuntu2.16=7.47.0-1ubuntu2.18=7.47.0-1ubuntu2.19=7.47.0-1ubuntu2.19+esm1=7.47.0-1ubuntu2.19+esm2=7.47.0-1ubuntu2.19+esm3=7.47.0-1ubuntu2.19+esm4=7.47.0-1ubuntu2.19+esm5=7.47.0-1ubuntu2.19+esm6=7.47.0-1ubuntu2.19+esm7=7.47.0-1ubuntu2.19+esm8=7.47.0-1ubuntu2.19+esm9=7.47.0-1ubuntu2.19+esm10=7.47.0-1ubuntu2.19+esm11=7.47.0-1ubuntu2.19+esm12=7.47.0-1ubuntu2.19+esm13=7.47.0-1ubuntu2.19+esm15=7.47.0-1ubuntu2.19+esm16=7.47.0-1ubuntu2.19+esm17=7.47.0-1ubuntu2.19+esm18
Ubuntu:Pro:18.04:LTSmore threats →ghsa
curl
pkg:deb/ubuntu/curl?arch=source&distro=esm-infra/bionic
Affected versions
=7.55.1-1ubuntu2=7.55.1-1ubuntu2.1=7.57.0-1ubuntu1=7.58.0-2ubuntu1=7.58.0-2ubuntu2=7.58.0-2ubuntu3=7.58.0-2ubuntu3.1=7.58.0-2ubuntu3.2=7.58.0-2ubuntu3.3=7.58.0-2ubuntu3.5=7.58.0-2ubuntu3.6=7.58.0-2ubuntu3.7=7.58.0-2ubuntu3.8=7.58.0-2ubuntu3.9=7.58.0-2ubuntu3.10=7.58.0-2ubuntu3.12=7.58.0-2ubuntu3.13=7.58.0-2ubuntu3.14=7.58.0-2ubuntu3.15=7.58.0-2ubuntu3.16=7.58.0-2ubuntu3.17=7.58.0-2ubuntu3.18=7.58.0-2ubuntu3.19=7.58.0-2ubuntu3.20=7.58.0-2ubuntu3.21=7.58.0-2ubuntu3.22=7.58.0-2ubuntu3.23=7.58.0-2ubuntu3.24=7.58.0-2ubuntu3.24+esm1=7.58.0-2ubuntu3.24+esm2=7.58.0-2ubuntu3.24+esm3=7.58.0-2ubuntu3.24+esm4=7.58.0-2ubuntu3.24+esm5=7.58.0-2ubuntu3.24+esm7=7.58.0-2ubuntu3.24+esm8=7.58.0-2ubuntu3.24+esm9=7.58.0-2ubuntu3.24+esm10=7.58.0-2ubuntu3.24+esm11=7.58.0-2ubuntu3.24+esm12
Ubuntu:Pro:20.04:LTSmore threats →ghsa
curl
pkg:deb/ubuntu/curl?arch=source&distro=esm-infra/focal
Affected versions
=7.65.3-1ubuntu3=7.65.3-1ubuntu4=7.66.0-1ubuntu1=7.67.0-2ubuntu1=7.68.0-1ubuntu1=7.68.0-1ubuntu2=7.68.0-1ubuntu2.1=7.68.0-1ubuntu2.2=7.68.0-1ubuntu2.4=7.68.0-1ubuntu2.5=7.68.0-1ubuntu2.6=7.68.0-1ubuntu2.7=7.68.0-1ubuntu2.10=7.68.0-1ubuntu2.11=7.68.0-1ubuntu2.12=7.68.0-1ubuntu2.13=7.68.0-1ubuntu2.14=7.68.0-1ubuntu2.15=7.68.0-1ubuntu2.16=7.68.0-1ubuntu2.18=7.68.0-1ubuntu2.19=7.68.0-1ubuntu2.20=7.68.0-1ubuntu2.21=7.68.0-1ubuntu2.22=7.68.0-1ubuntu2.23=7.68.0-1ubuntu2.24=7.68.0-1ubuntu2.25=7.68.0-1ubuntu2.25+esm2=7.68.0-1ubuntu2.25+esm3=7.68.0-1ubuntu2.25+esm4=7.68.0-1ubuntu2.25+esm5=7.68.0-1ubuntu2.25+esm6=7.68.0-1ubuntu2.25+esm7
Ubuntu:22.04:LTSmore threats →ghsa
curl
pkg:deb/ubuntu/curl?arch=source&distro=jammy
Affected versions
=7.74.0-1.3ubuntu2=7.74.0-1.3ubuntu3=7.80.0-3=7.81.0-1=7.81.0-1ubuntu1.1=7.81.0-1ubuntu1.2=7.81.0-1ubuntu1.3=7.81.0-1ubuntu1.4=7.81.0-1ubuntu1.6=7.81.0-1ubuntu1.7=7.81.0-1ubuntu1.8=7.81.0-1ubuntu1.10=7.81.0-1ubuntu1.11=7.81.0-1ubuntu1.13=7.81.0-1ubuntu1.14=7.81.0-1ubuntu1.15=7.81.0-1ubuntu1.16=7.81.0-1ubuntu1.17=7.81.0-1ubuntu1.18=7.81.0-1ubuntu1.19=7.81.0-1ubuntu1.20=7.81.0-1ubuntu1.21=7.81.0-1ubuntu1.22=7.81.0-1ubuntu1.23=7.81.0-1ubuntu1.24=7.81.0-1ubuntu1.25=7.81.0-1ubuntu1.26=7.81.0-1ubuntu1.27
Ubuntu:24.04:LTSmore threats →ghsa
curl
pkg:deb/ubuntu/curl?arch=source&distro=noble
Affected versions
=8.2.1-1ubuntu3=8.2.1-1ubuntu3.1=8.4.0-2ubuntu1=8.5.0-2ubuntu1=8.5.0-2ubuntu2=8.5.0-2ubuntu8=8.5.0-2ubuntu9=8.5.0-2ubuntu10=8.5.0-2ubuntu10.1=8.5.0-2ubuntu10.2=8.5.0-2ubuntu10.3=8.5.0-2ubuntu10.4=8.5.0-2ubuntu10.5=8.5.0-2ubuntu10.6=8.5.0-2ubuntu10.7=8.5.0-2ubuntu10.8=8.5.0-2ubuntu10.9=8.5.0-2ubuntu10.10=8.5.0-2ubuntu10.11=8.5.0-2ubuntu10.12=8.5.0-2ubuntu10.13
Ubuntu:26.04:LTSmore threats →ghsa
curl
pkg:deb/ubuntu/curl?arch=source&distro=resolute
Affected versions
=8.14.1-2ubuntu1=8.17.0-1ubuntu1=8.18.0-1ubuntu1=8.18.0-1ubuntu2=8.18.0-1ubuntu2.1=8.18.0-1ubuntu2.2=8.18.0-1ubuntu2.3=8.18.0-1ubuntu2.4=8.18.0-1ubuntu2.5

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AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/10/2026, 13:35:03 UTC

Technical Analysis

This vulnerability, identified as CVE-2026-19931, affects various Ubuntu-packaged versions of curl. It has a CVSS 3.1 base score of 9.8, reflecting a critical severity with network attack vector, low attack complexity, no privileges required, no user interaction, and impacts to confidentiality, integrity, and availability. The lack of a detailed description or technical details limits further analysis. The vulnerability affects many Ubuntu-specific curl package versions across multiple LTS releases from 14.04 through 26.04. No vendor advisory or patch information is provided, and no known exploits have been reported.

Potential Impact

The vulnerability has a critical CVSS score of 9.8, indicating that successful exploitation could lead to complete compromise of confidentiality, integrity, and availability of affected systems. The network attack vector and no required privileges or user interaction suggest high exploitability. However, the absence of detailed technical information and known exploits limits precise impact assessment.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no patch or official fix information is provided, users of affected Ubuntu curl packages should monitor official Ubuntu security advisories and apply updates promptly once available.

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Technical Details

Gcve Source
db.gcve.eu
Osv Id
UBUNTU-CVE-2026-19931
Osv Schema Version
1.7.0
Ecosystems
["Ubuntu:Pro:14.04:LTS","Ubuntu:Pro:16.04:LTS","Ubuntu:Pro:18.04:LTS","Ubuntu:Pro:20.04:LTS","Ubuntu:22.04:LTS","Ubuntu:24.04:LTS","Ubuntu:26.04:LTS"]
Cvss Version
3.1

Threat ID: 6aa2af7eacd9273b4925ad8c

Added to database: 09/10/2026, 13:24:14 UTC

Last enriched: 09/10/2026, 13:35:03 UTC

Last updated: 09/10/2026, 20:01:23 UTC

Views: 4

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