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Mbedtls: [Unknown description] (CVE-2026-49300)

0
Medium
Published: 07/23/2026 (07/23/2026, 00:00:00 UTC)
Source: GCVE Database
Product: mbedtls

Description

CVE-2026-49300 is a medium severity vulnerability affecting multiple specific versions of the mbedtls library. The exact nature and technical details of the vulnerability are unknown based on the provided information. There is no CVSS score or detailed description available. No known exploits are reported in the wild. The affected versions include a range of mbedtls releases primarily used in Ubuntu distributions. No patch or remediation information is provided, so the patch status is not confirmed.

Affected software

Ubuntu:16.04:LTSmore threats →ghsa
mbedtls
pkg:deb/ubuntu/mbedtls?arch=source&distro=xenial
Affected versions
=2.1.2-1=2.2.0-1=2.2.1-1=2.2.1-2=2.2.1-2ubuntu0.1=2.2.1-2ubuntu0.2=2.2.1-2ubuntu0.3
Ubuntu:Pro:18.04:LTSmore threats →ghsa
mbedtls
pkg:deb/ubuntu/mbedtls?arch=source&distro=esm-apps/bionic
Affected versions
=2.5.1-1ubuntu1=2.6.0-1=2.7.0-2=2.8.0-1=2.8.0-1ubuntu0.1~esm1
Ubuntu:Pro:20.04:LTSmore threats →ghsa
mbedtls
pkg:deb/ubuntu/mbedtls?arch=source&distro=esm-apps/focal
Affected versions
=2.16.2-1=2.16.3-1=2.16.4-1ubuntu2=2.16.4-1ubuntu2+esm1
Ubuntu:Pro:22.04:LTSmore threats →ghsa
mbedtls
pkg:deb/ubuntu/mbedtls?arch=source&distro=esm-apps/jammy
Affected versions
=2.16.9-0.1ubuntu1=2.16.11-0.1ubuntu1=2.16.11-0.3=2.28.0-1=2.28.0-1build1=2.28.0-1ubuntu0.1~esm1
Ubuntu:Pro:24.04:LTSmore threats →ghsa
mbedtls
pkg:deb/ubuntu/mbedtls?arch=source&distro=esm-apps/noble
Affected versions
=2.28.3-1=2.28.6-1ubuntu1=2.28.7-1ubuntu1=2.28.7-1.1ubuntu1=2.28.8-1=2.28.8-1ubuntu0.1~esm1
Ubuntu:26.10more threats →ghsa
mbedtls
pkg:deb/ubuntu/mbedtls?arch=source&distro=stonking
Affected versions
=3.6.5-0.1ubuntu2=3.6.6-0.1ubuntu1=3.6.7-3ubuntu1
Ubuntu:26.04:LTSmore threats →ghsa
mbedtls
pkg:deb/ubuntu/mbedtls?arch=source&distro=resolute
Affected versions
=3.6.2-3ubuntu1=3.6.5-0.1ubuntu1=3.6.5-0.1ubuntu2

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: 10/18/2026, 01:04:02 UTC

Technical Analysis

This entry identifies a vulnerability in the mbedtls cryptographic library, tracked as CVE-2026-49300. The description and technical details of the vulnerability are not provided, limiting the ability to analyze the specific threat or attack vectors. The affected versions are explicitly listed and correspond to various mbedtls releases used in Ubuntu environments. There is no information on available patches or fixes, nor any known exploitation activity.

Potential Impact

Due to the lack of detailed information, the precise impact of this vulnerability cannot be determined. The medium severity rating suggests a moderate risk, but without further details, the potential consequences remain unclear.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until more information is available, users should monitor official mbedtls and Ubuntu security advisories for updates and apply patches promptly once released.

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Technical Details

Gcve Source
db.gcve.eu
Osv Id
UBUNTU-CVE-2026-49300
Osv Schema Version
1.7.0
Ecosystems
["Ubuntu:16.04:LTS","Ubuntu:Pro:18.04:LTS","Ubuntu:Pro:20.04:LTS","Ubuntu:Pro:22.04:LTS","Ubuntu:Pro:24.04:LTS","Ubuntu:26.10","Ubuntu:26.04:LTS"]

Threat ID: 6ad3f61a2cdf04f656664183

Added to database: 10/17/2026, 22:26:34 UTC

Last enriched: 10/18/2026, 01:04:02 UTC

Last updated: 10/18/2026, 01:04:02 UTC

Views: 3

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