CVE-2026-1757
6.2
MEDIUM
CVSS 3.1
EPSS 0.19%
Description
A flaw was identified in the interactive shell of the xmllint utility, part of the libxml2 project, where memory allocated for user input is not properly released under certain conditions. When a user submits input consisting only of whitespace, the program skips command execution but fails to free the allocated buffer. Repeating this action causes memory to continuously accumulate. Over time, this can exhaust system memory and terminate the xmllint process, creating a denial-of-service condition on the local system.
How to fix CVE-2026-1757
To remediate CVE-2026-1757, upgrade the affected package to a fixed version below.
- —upgrade to 2.9.10+dfsg-6.7+deb11u10 or later
Is CVE-2026-1757 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2.9.10+dfsg-6.7+deb11u10
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.2 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |