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    CVE-2019-9169

    In the GNU C Library (aka glibc or libc6) through 2.29, proceed_next_node in posix/regexec.c has a heap-based buffer over-read via an attempted case-insensitive regular-expression match.

    Published:Jan 20, 2019
    Last Modified:Nov 21, 2024
    EPS:Feb 26, 2019
    EPSS Score:0.08608
    CVSS Score:9.8

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Gnu
    Product
    Glibc
    Vendor
    Mcafee
    Product
    Web Gateway
    Vendor
    Netapp
    Product
    Cloud Backup
    Vendor
    Netapp
    Product
    Ontap Select Deploy Administration Utility
    Vendor
    Netapp
    Product
    Steelstore Cloud Integrated Storage
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    https://debbugs.gnu.org/cgi/bugreport.cgi?bug=34140https://debbugs.gnu.org/cgi/bugreport.cgi?bug=34142https://debbugs.gnu.org/cgi/bugreport.cgi?bug=34140https://debbugs.gnu.org/cgi/bugreport.cgi?bug=34142

    Common Weakness Enumeration

    CWE-125 Out-of-bounds Read

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-540 Overread Buffers

    Related CVEs

    CVE-2026-13476 (CVSS 7.3) — IBM Informix Dynamic Server 14.10, 15.0, and 12.10 could allow an unauthenticated user to execute arbitrary co…
    CVE-2026-13367 (CVSS 7.8) — IBM Informix Dynamic Server 14.10, and 15.0 contain a local privilege escalation vulnerability in the oninit s…
    CVE-2026-47337 (CVSS 3.3) — Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches with a possible NULL pointer dereference in the handling …
    CVE-2026-47336 (CVSS 3.3) — Ubuntu Linux 6.8 contains SAUCE patches with a possible use of an uninitialized variable in AppArmor AF_INET/A…
    CVE-2026-47335 (CVSS 5.5) — Ubuntu Linux 6.8 contains SAUCE patches with a possible NULL pointer dereference in the handling of AppArmor n…
    CVE-2026-47334 (CVSS 5.5) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly sleep while holding a spinlock…
    CVE-2026-47333 (CVSS 7.8) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which can potentially incorrectly compute the si…
    CVE-2026-47332 (CVSS 5.5) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly validate the size of an intern…
    CVE-2026-47331 (CVSS 7.8) — Ubuntu Linux 6.8 contains AppArmor SAUCE patches which fail to acquire a lock when modifying a linked list. An…
    CVE-2026-47330 (CVSS 3.3) — Ubuntu Linux 6.8, 7.17 and 7.0 contain AppArmor SAUCE patches which can, under certain circumstances, use an u…

    References

    http://www.securityfocus.com/bid/107160
    https://debbugs.gnu.org/cgi/bugreport.cgi?bug=34140
    https://debbugs.gnu.org/cgi/bugreport.cgi?bug=34142
    https://kc.mcafee.com/corporate/index?page=content&id=SB10278
    https://security.gentoo.org/glsa/202006-04
    https://security.netapp.com/advisory/ntap-20190315-0002/
    https://sourceware.org/bugzilla/show_bug.cgi?id=24114
    https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Ba=commit%3Bh=583dd860d5b833037175247230a328f0050dbfe9
    https://support.f5.com/csp/article/K54823184
    https://usn.ubuntu.com/4416-1/
    https://www.oracle.com/security-alerts/cpuapr2022.html
    http://www.securityfocus.com/bid/107160
    https://debbugs.gnu.org/cgi/bugreport.cgi?bug=34140
    https://debbugs.gnu.org/cgi/bugreport.cgi?bug=34142
    https://kc.mcafee.com/corporate/index?page=content&id=SB10278
    https://security.gentoo.org/glsa/202006-04
    https://security.netapp.com/advisory/ntap-20190315-0002/
    https://sourceware.org/bugzilla/show_bug.cgi?id=24114
    https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Ba=commit%3Bh=583dd860d5b833037175247230a328f0050dbfe9
    https://support.f5.com/csp/article/K54823184
    https://usn.ubuntu.com/4416-1/
    https://www.oracle.com/security-alerts/cpuapr2022.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