CVE Feed

    Dashboard / CVE / CVE-2011-2511

    CVE-2011-2511

    Integer overflow in libvirt before 0.9.3 allows remote authenticated users to cause a denial of service (libvirtd crash) and possibly execute arbitrary code via a crafted VirDomainGetVcpus RPC call that triggers memory corruption.

    Published:Jun 24, 2011
    Last Modified:Apr 11, 2025
    EPS:Aug 10, 2011
    EPSS Score:0.02832
    CVSS Score:4

    Affected Products

    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Libvirt
    Vendor
    Redhat
    Product
    Rhel Virtualization

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-190 Integer Overflow or Wraparound

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-92 Forced Integer Overflow

    Related CVEs

    CVE-2026-77159 (CVSS 5.5) — A symlink-following flaw was found in libvirt's qemuTPMEmulatorPrepareHost() function. The function uses a pat…
    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…

    References

    http://libvirt.org/news.html
    http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062515.html
    http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062855.html
    http://secunia.com/advisories/45375
    http://secunia.com/advisories/45441
    http://secunia.com/advisories/45446
    http://www.debian.org/security/2011/dsa-2280
    http://www.openwall.com/lists/oss-security/2011/06/28/9
    http://www.redhat.com/support/errata/RHSA-2011-1019.html
    http://www.redhat.com/support/errata/RHSA-2011-1197.html
    http://www.securitytracker.com/id?1025822
    http://www.ubuntu.com/usn/USN-1180-1
    https://exchange.xforce.ibmcloud.com/vulnerabilities/68271
    https://hermes.opensuse.org/messages/10027908
    https://www.redhat.com/archives/libvir-list/2011-June/msg01278.html
    http://libvirt.org/news.html
    http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062515.html
    http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062855.html
    http://secunia.com/advisories/45375
    http://secunia.com/advisories/45441
    http://secunia.com/advisories/45446
    http://www.debian.org/security/2011/dsa-2280
    http://www.openwall.com/lists/oss-security/2011/06/28/9
    http://www.redhat.com/support/errata/RHSA-2011-1019.html
    http://www.redhat.com/support/errata/RHSA-2011-1197.html
    http://www.securitytracker.com/id?1025822
    http://www.ubuntu.com/usn/USN-1180-1
    https://exchange.xforce.ibmcloud.com/vulnerabilities/68271
    https://hermes.opensuse.org/messages/10027908
    https://www.redhat.com/archives/libvir-list/2011-June/msg01278.html

    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