CVE-2017-9729
CVE-2017-9729 is a high-severity vulnerability in Uclibc with a CVSS 3.x base score of 7.5. 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-674.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 1% (61st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-674
- Affected product: Uclibc
- Published:
- Last modified:
Description
In uClibc 0.9.33.2, there is stack exhaustion (uncontrolled recursion) in the check_dst_limits_calc_pos_1 function in misc/regex/regexec.c when processing a crafted regular expression.
Frequently asked questions
- What is CVE-2017-9729?
- In uClibc 0.9.33.2, there is stack exhaustion (uncontrolled recursion) in the check_dst_limits_calc_pos_1 function in misc/regex/regexec.c when processing a crafted regular expression.
- How severe is CVE-2017-9729?
- CVE-2017-9729 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2017-9729 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2017-9729?
- CVE-2017-9729 affects Uclibc. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2017-9729?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2017-9729 published?
- CVE-2017-9729 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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