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Curl: [Unknown description] (CVE-2026-18924)

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

Description

CVE-2026-18924 is a vulnerability affecting multiple specific Ubuntu-packaged versions of curl. The vulnerability has a CVSS 3.1 base score of 9.1, indicating high severity, with no confidentiality impact but high integrity and availability impacts. The exact nature of the vulnerability is not described in the available data. There are no known exploits in the wild, and no patch or remediation information is provided in the source data.

CVSS v3.1

Score 9.1critical

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

Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/10/2026, 13:35:12 UTC

Technical Analysis

This vulnerability, identified as CVE-2026-18924, affects numerous Ubuntu-specific versions of the curl utility. The CVSS vector indicates the vulnerability can be exploited remotely without privileges or user interaction, resulting in no confidentiality loss but high impact on integrity and availability. The lack of a detailed description or vendor advisory prevents further technical elaboration. The affected versions are explicitly listed and correspond to various Ubuntu releases from 14.04 LTS through 26.04 LTS. No patch or fix information is currently available.

Potential Impact

The vulnerability allows remote attackers to cause high integrity and availability impact on affected curl versions without requiring privileges or user interaction. Confidentiality is not affected. The high CVSS score (9.1) suggests potential for serious disruption or compromise of system integrity and service availability.

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 should monitor official Ubuntu security advisories for updates regarding this vulnerability. No specific mitigations can be recommended based on the available data.

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Technical Details

Gcve Source
db.gcve.eu
Osv Id
UBUNTU-CVE-2026-18924
Osv Schema Version
1.7.0
Aliases
[]
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"]
Database Specific Severity
null
Cvss Version
3.1

Threat ID: 6aa2af7facd9273b4925add0

Added to database: 09/10/2026, 13:24:15 UTC

Last enriched: 09/10/2026, 13:35:12 UTC

Last updated: 09/10/2026, 16:41:04 UTC

Views: 3

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