CVE-2017-9728
CVE-2017-9728 is a critical-severity vulnerability in Uclibc with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 1% (65th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-125
- Affected product: Uclibc
- Published:
- Last modified:
Description
In uClibc 0.9.33.2, there is an out-of-bounds read in the get_subexp function in misc/regex/regexec.c when processing a crafted regular expression.
Frequently asked questions
- What is CVE-2017-9728?
- In uClibc 0.9.33.2, there is an out-of-bounds read in the get_subexp function in misc/regex/regexec.c when processing a crafted regular expression.
- How severe is CVE-2017-9728?
- CVE-2017-9728 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2017-9728 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2017-9728?
- CVE-2017-9728 affects Uclibc. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2017-9728?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2017-9728 published?
- CVE-2017-9728 was published on 2017-06-16 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:uclibc:uclibc:0.9.33.2:*:*:*:*:*:*:*
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