PatchTheCVECVE-2019-19451: When GNOME Dia before 2019-11-27 is launched with a filename argument that is not a valid codepoint in the cur
CVE-2019-19451 is a medium-severity flaw (CVSS 5.5) affecting dia, fedora, leap. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
When GNOME Dia before 2019-11-27 is launched with a filename argument that is not a valid codepoint in the current encoding, it enters an endless loop, thus endlessly writing text to stdout. If this launch is from a thumbnailer service, this output will usually be written to disk via the system's logging facility (potentially with elevated privileges), thus filling up the disk and eventually rendering the system unusable. (The filename can be for
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 | Low |
| User interaction | None |
| EPSS exploit chance | 0.4% (top 69%) |
| CISA exploited list | No |
| Weakness | CWE-835 |
| Published | 2019-11-29 |
| 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-2019-19451?
dia: upgrade to 2019-11-27; fedora: mitigate or apply the listed mitigation; leap: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2019-19451 being exploited?
CVE-2019-19451 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-2019-19451 affect?
CVE-2019-19451 affects dia, fedora, leap. Severity is medium (CVSS 5.5). When GNOME Dia before 2019-11-27 is launched with a filename argument that is not a valid codepoint in the current encoding, it enters an endless loop, thus endlessly writing text to stdout. If this launch is from a thumbnailer service, thi
How urgent is CVE-2019-19451?
Priority 27/100. No elevated risk signals yet.
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