PatchTheCVECVE-2017-6410: kpac/script.cpp in KDE kio before 5.32 and kdelibs before 4.14.30 calls the PAC FindProxyForURL function with
CVE-2017-6410 is a medium-severity flaw (CVSS 5.5) affecting kdelibs, kio. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
kpac/script.cpp in KDE kio before 5.32 and kdelibs before 4.14.30 calls the PAC FindProxyForURL function with a full https URL (potentially including Basic Authentication credentials, a query string, or PATH_INFO), which allows remote attackers to obtain sensitive information via a crafted PAC file.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 5.5 (Medium) |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 0.9% (top 41%) |
| CISA exploited list | No |
| Weakness | CWE-319 |
| Published | 2017-03-02 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2017-6410?
kdelibs: upgrade to newer than 4.14.29; kio: upgrade to newer than 5.31. Exact commands for each OS are on this page.
Is CVE-2017-6410 being exploited?
CVE-2017-6410 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2017-6410 affect?
CVE-2017-6410 affects kdelibs, kio. Severity is medium (CVSS 5.5). kpac/script.cpp in KDE kio before 5.32 and kdelibs before 4.14.30 calls the PAC FindProxyForURL function with a full https URL (potentially including Basic Authentication credentials, a query string, or PATH_INFO), which allows remote attac
How urgent is CVE-2017-6410?
Priority 34/100. No elevated risk signals yet.
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