CVE Feed

    Dashboard / CVE / CVE-2011-4623

    CVE-2011-4623

    Integer overflow in the rsCStrExtendBuf function in runtime/stringbuf.c in the imfile module in rsyslog 4.x before 4.6.6, 5.x before 5.7.4, and 6.x before 6.1.4 allows local users to cause a denial of service (daemon hang) via a large file, which triggers a heap-based buffer overflow.

    Published:Feb 9, 2011
    Last Modified:Apr 11, 2025
    EPS:Sep 25, 2012
    EPSS Score:0.0009
    CVSS Score:2.1

    Affected Products

    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Rsyslog
    Product
    Rsyslog

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-88914 (CVSS 4.4) — A flaw was found in GStreamer's gst-plugins-good isomp4 plugin. When processing a specially crafted MP4 or MOV…
    CVE-2026-84828 (CVSS 6.5) — A flaw was found in PCS (Pacemaker Configuration System). A local attacker with membership in the 'haclient' g…
    CVE-2026-88859 (CVSS 6.3) — A flaw was found in Evolution. A remote attacker can exploit this vulnerability by sending a specially crafted…
    CVE-2026-18147 (CVSS 8.1) — A flaw was found in FreeIPA. An unauthenticated remote attacker could exploit a DOM Cross-Site Scripting (XSS)…
    CVE-2026-87853 (CVSS 7.5) — A flaw was found in SSSD's IdP authentication provider. The eval_access_token_buf() function compares the OIDC…
    CVE-2026-88924 (CVSS 7) — A flaw was found in the admin backend of gvfs. The privileged gvfsd-admin daemon changes the ownership of newl…
    CVE-2026-87876 (CVSS 3) — Two case-insensitive comparisons on request-derived usernames outside the main authorization path in CUPS's sc…
    CVE-2026-87875 (CVSS 4.3) — The cupsUTF32ToUTF8() function in CUPS's cups/transcode.c lacks a source-length bound and can read past the en…
    CVE-2026-87766 (CVSS 8.8) — A flaw was found in bubblewrap. During sandbox setup, creating files or directories under the new root can fol…
    CVE-2026-18090 (CVSS 6.1) — A flaw was found in gdk-pixbuf. This vulnerability allows a remote attacker to cause a heap out-of-bounds read…

    References

    http://bugzilla.adiscon.com/show_bug.cgi?id=221
    http://git.adiscon.com/?p=rsyslog.git%3Ba=commit%3Bh=6bad782f154b7f838c7371bf99c13f6dc4ec4101
    http://rsyslog.com/changelog-for-4-6-6-v4-stable/
    http://rsyslog.com/changelog-for-5-7-4-v5-beta/
    http://rsyslog.com/changelog-for-6-1-4-devel/
    http://secunia.com/advisories/45848
    http://secunia.com/advisories/47698
    http://www.openwall.com/lists/oss-security/2011/12/22/2
    http://www.securityfocus.com/bid/51171
    http://www.securitytracker.com/id?1026556
    http://www.ubuntu.com/usn/USN-1338-1
    https://bugzilla.redhat.com/show_bug.cgi?id=769822
    http://bugzilla.adiscon.com/show_bug.cgi?id=221
    http://git.adiscon.com/?p=rsyslog.git%3Ba=commit%3Bh=6bad782f154b7f838c7371bf99c13f6dc4ec4101
    http://rsyslog.com/changelog-for-4-6-6-v4-stable/
    http://rsyslog.com/changelog-for-5-7-4-v5-beta/
    http://rsyslog.com/changelog-for-6-1-4-devel/
    http://secunia.com/advisories/45848
    http://secunia.com/advisories/47698
    http://www.openwall.com/lists/oss-security/2011/12/22/2
    http://www.securityfocus.com/bid/51171
    http://www.securitytracker.com/id?1026556
    http://www.ubuntu.com/usn/USN-1338-1
    https://bugzilla.redhat.com/show_bug.cgi?id=769822

    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