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Vulnerability record · CVE-2017-9729 · published 16 June 2017

CVE-2017-9729: Uclibc vulnerability

Uclibc · Uclibc

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.

7.5 CVSS 3.0 High EPSS 1.1% · top 36.3% CWE-674 · CWE-674
7.5CVSS 3.0 base score, v2 5.0
1.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

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.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://openwall.com/lists/oss-security/2017/06/16/4 Mailing ListThird Party Advisory
http://openwall.com/lists/oss-security/2017/06/16/4 Mailing ListThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2022-29503Uclibc memory buffer overflow vulnerabilityA memory corruption vulnerability exists in the libpthread linuxthreads functionality of uClibC 0.9.33.2 and uClibC-ng 1.0.40. Thread allocation can …EPSS 1.3%9.8CVE-2017-9728Uclibc out-of-bounds read vulnerabilityIn 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.EPSS 1.2%9.6CVE-2021-43523Uclibc cross-site scripting vulnerabilityIn uClibc and uClibc-ng before 1.0.39, incorrect handling of special characters in domain names returned by DNS servers via gethostbyname, getaddrinf…EPSS 3.1%7.5CVE-2016-6264Uclibc vulnerabilityInteger signedness error in libc/string/arm/memset.S in uClibc and uClibc-ng before 1.0.16 allows context-dependent attackers to cause a denial of se…EPSS 2.7%6.5CVE-2022-30295Uclibc vulnerabilityuClibc-ng through 1.0.40 and uClibc through 0.9.33.2 use predictable DNS transaction IDs that may lead to DNS cache poisoning. This is related to a r…EPSS 12%

Source: NIST National Vulnerability Database (record CVE-2017-9729), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.