CVE-2018-17942
UnknownEPSS 2.51%
Last modified
CVE-2018-17942 is a vulnerability of currently unknown severity. The convert_to_decimal function in vasnprintf.c in Gnulib before 2018-09-23 has a heap-based buffer overflow because memory is not allocated for a trailing '\0' character during %f processing.. EPSS estimates a 2.51% chance of exploitation in the next 30 days.
Description
The convert_to_decimal function in vasnprintf.c in Gnulib before 2018-09-23 has a heap-based buffer overflow because memory is not allocated for a trailing '\0' character during %f processing.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Gnu | Gnulib | < 2018-09-23 |
References
- https://github.com/coreutils/gnulib/commit/278b4175c9d7dd47c1a3071554aac02add3b3c35Patch, Third Party Advisory
- https://lists.gnu.org/archive/html/bug-gnulib/2018-09/msg00107.htmlExploit, Mailing List, Vendor Advisory
- https://savannah.gnu.org/bugs/?func=detailitem&item_id=54686Exploit, Vendor Advisory
- https://github.com/coreutils/gnulib/commit/278b4175c9d7dd47c1a3071554aac02add3b3c35Patch, Third Party Advisory
- https://lists.gnu.org/archive/html/bug-gnulib/2018-09/msg00107.htmlExploit, Mailing List, Vendor Advisory
- https://savannah.gnu.org/bugs/?func=detailitem&item_id=54686Exploit, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2018-17942?
The convert_to_decimal function in vasnprintf.c in Gnulib before 2018-09-23 has a heap-based buffer overflow because memory is not allocated for a trailing '\0' character during %f processing.
How severe is CVE-2018-17942?
Severity scoring for CVE-2018-17942 is pending analysis. The EPSS model estimates a 2.51% probability of exploitation in the next 30 days.
How do I fix CVE-2018-17942?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
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Are you affected by CVE-2018-17942?
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