UBUNTU-CVE-2025-49087
- Source
- https://ubuntu.com/security/CVE-2025-49087
- Import Source
- https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-49087.json
- JSON Data
- https://api.osv.dev/v1/vulns/UBUNTU-CVE-2025-49087
- Upstream
- Published
- 2025-07-20T19:15:00Z
- Modified
- 2026-01-20T19:07:45.617119Z
- Severity
-
- 4.0 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N CVSS Calculator
- 3.7 (Low) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N CVSS Calculator
- Ubuntu - medium
- Summary
- [none]
- Details
-
In Mbed TLS 3.6.1 through 3.6.3 before 3.6.4, a timing discrepancy in block cipher padding removal allows an attacker to recover the plaintext when PKCS#7 padding mode is used.
- References
Affected packages
Ubuntu:25.10 / mbedtls
Package
- Name
- mbedtls
- Purl
- pkg:deb/ubuntu/mbedtls@3.6.2-3ubuntu1?arch=source&distro=questing
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affected
Ecosystem specific
{
"binaries": [
{
"binary_version": "3.6.2-3ubuntu1",
"binary_name": "libmbedcrypto16"
},
{
"binary_version": "3.6.2-3ubuntu1",
"binary_name": "libmbedtls-dev"
},
{
"binary_version": "3.6.2-3ubuntu1",
"binary_name": "libmbedtls21"
},
{
"binary_version": "3.6.2-3ubuntu1",
"binary_name": "libmbedx509-7"
}
]
}