CVE-2010-4052

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    CVE-2010-4052

    Published: 13 Jan 2011Last Modified: 10 Apr 2026

    Summary:

    Details: Stack consumption vulnerability in the regcomp implementation in the GNU C Library (aka glibc or libc6) through 2.11.3, and 2.12.x through 2.12.2, allows context-dependent attackers to cause a denial of service (resource exhaustion) via a regular expression containing adjacent repetition operators, as demonstrated by a {10,}{10,}{10,}{10,} sequence in the proftpd.gnu.c exploit for ProFTPD.

    References: http://secunia.com/advisories/42547, http://seclists.org/fulldisclosure/2011/Jan/78, http://securityreason.com/achievement_securityalert/93, http://securityreason.com/securityalert/8003, http://www.securityfocus.com/bid/45233, https://bugzilla.redhat.com/show_bug.cgi?id=645859, http://cxib.net/stuff/proftpd.gnu.c, http://securitytracker.com/id?1024832, http://www.exploit-db.com/exploits/15935, http://www.kb.cert.org/vuls/id/912279, http://www.securityfocus.com/archive/1/515589/100/0/threaded

    Affected packages

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High