CVE-2018-7549
UnknownEPSS 2.68%
Last modified
CVE-2018-7549 is a vulnerability of currently unknown severity. In params.c in zsh through 5.4.2, there is a crash during a copy of an empty hash table, as demonstrated by typeset -p.. EPSS estimates a 2.68% chance of exploitation in the next 30 days.
Description
In params.c in zsh through 5.4.2, there is a crash during a copy of an empty hash table, as demonstrated by typeset -p.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Zsh | Zsh | <= 5.4.2 |
| Redhat | Enterprise Linux Desktop | 7.0 |
| Redhat | Enterprise Linux Server | 7.0 |
| Redhat | Enterprise Linux Workstation | 7.0 |
| Canonical | Ubuntu Linux | 14.04 |
| Canonical | Ubuntu Linux | 16.04 |
| Canonical | Ubuntu Linux | 17.10 |
References
- https://access.redhat.com/errata/RHSA-2018:3073Third Party Advisory
- https://security.gentoo.org/glsa/201805-10Third Party Advisory
- https://sourceforge.net/p/zsh/code/ci/c2cc8b0fbefc9868fa83537f5b6d90fc1ec438ddPatch, Third Party Advisory
- https://usn.ubuntu.com/3593-1/Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3073Third Party Advisory
- https://security.gentoo.org/glsa/201805-10Third Party Advisory
- https://sourceforge.net/p/zsh/code/ci/c2cc8b0fbefc9868fa83537f5b6d90fc1ec438ddPatch, Third Party Advisory
- https://usn.ubuntu.com/3593-1/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2018-7549?
In params.c in zsh through 5.4.2, there is a crash during a copy of an empty hash table, as demonstrated by typeset -p.
How severe is CVE-2018-7549?
Severity scoring for CVE-2018-7549 is pending analysis. The EPSS model estimates a 2.68% probability of exploitation in the next 30 days.
How do I fix CVE-2018-7549?
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.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2018-7549?
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Scan your code nowSource: NVD / NIST