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    CVE-2024-2961

    The iconv() function in the GNU C Library versions 2.39 and older may overflow the output buffer passed to it by up to 4 bytes when converting strings to the ISO-2022-CN-EXT character set, which may be used to crash an application or overwrite a neighbouring variable.

    Published:Apr 17, 2024
    Last Modified:May 12, 2026
    EPS:Apr 17, 2024
    EPSS Score:0.91924
    CVSS Score:7.3

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Gnu
    Product
    Glibc
    Vendor
    Netapp
    Product
    Active Iq Unified Manager
    Vendor
    Netapp
    Product
    Hci Compute Node
    Vendor
    Netapp
    Product
    Hci H300s
    Vendor
    Netapp
    Product
    Hci H300s Firmware
    Vendor
    Netapp
    Product
    Hci H410c
    Vendor
    Netapp
    Product
    Hci H410c Firmware
    Vendor
    Netapp
    Product
    Hci H410s
    Vendor
    Netapp
    Product
    Hci H410s Firmware
    Vendor
    Netapp
    Product
    Hci H500s
    Vendor
    Netapp
    Product
    Hci H500s Firmware
    Vendor
    Netapp
    Product
    Hci H610c
    Vendor
    Netapp
    Product
    Hci H610c Firmware
    Vendor
    Netapp
    Product
    Hci H610s
    Vendor
    Netapp
    Product
    Hci H610s Firmware
    Vendor
    Netapp
    Product
    Hci H615c
    Vendor
    Netapp
    Product
    Hci H615c Firmware
    Vendor
    Netapp
    Product
    Hci H700s
    Vendor
    Netapp
    Product
    Hci H700s Firmware
    Vendor
    Netapp
    Product
    Ontap Select Deploy Administration Utility
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Openshift
    Vendor
    Redhat
    Product
    Rhel Aus
    Vendor
    Redhat
    Product
    Rhel E4s
    Vendor
    Redhat
    Product
    Rhel Eus
    Vendor
    Redhat
    Product
    Rhel Tus
    Vendor
    Redhat
    Product
    Rhev Hypervisor
    Vendor
    Redhat
    Product
    Service Interconnect

    Exploits

    https://github.com/4wayhandshake/CVE-2024-2961https://github.com/absolutedesignltd/iconvfixhttps://github.com/ambionics/cnext-exploitshttps://github.com/Clarissss/osTicketFileReadIntoRCEhttps://github.com/exfil0/test_iconvhttps://github.com/HORKimhab/CVE-2022-31626-CVE-2024-2961-CVE-2019-6977https://github.com/kjdfklha/CVE-2024-2961_pochttps://github.com/kyotozx/CVE-2024-2961-Remote-File-Readhttps://github.com/mattaperkins/FIX-CVE-2024-2961https://github.com/omarelshopky/exploit_cve-2023-26326_using_cve-2024-2961https://github.com/qinglove777/CVE-2024-2961-XXE-Exploithttps://github.com/rcribelar-nucleus/my-cool-demo-php-codehttps://github.com/regantemudo/PHP-file-read-to-RCE-CVE-2024-2961-https://github.com/rvizx/CVE-2024-2961https://github.com/rvzsec/CVE-2024-2961https://github.com/scriptSails/glibcshttps://github.com/suce0155/CVE-2024-2961https://github.com/suce0155/CVE-2024-2961_buddyforms_2.7.7https://github.com/tnishiox/cve-2024-2961https://github.com/whyuhurtz/wongpress

    Common Weakness Enumeration

    CWE-787 Out-of-bounds Write

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-77118 (CVSS 8.4) — A heap out-of-bounds write exists in the Photo CD (PCD) decoder of GraphicsMagick. In DecodeImage() (coders/pc…
    CVE-2026-56968 (CVSS 3.7) — GNU SASL before 2.2.4 lacks sanitization of a short challenge in _gsasl_ntlm_client_step in the NTLM client, w…
    CVE-2026-49975 (CVSS 7.5) — Memory Allocation with Excessive Size Value vulnerability in Apache HTTP Server's mod_http leads to denial of …
    CVE-2026-9256 (CVSS 9.2) — NGINX Plus and NGINX Open Source have a vulnerability in the ngx_http_rewrite_module module. This vulnerabilit…
    CVE-2026-31431 (CVSS 7.8) — In the Linux kernel, the following vulnerability has been resolved: crypto: algif_aead - Revert to operating …
    CVE-2026-34757 (CVSS 5.1) — LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network …
    CVE-2026-4775 (CVSS 7.8) — A flaw was found in the libtiff library. A remote attacker could exploit a signed integer overflow vulnerabili…
    CVE-2025-63261 (CVSS 7.8) — AWStats 8.0 is vulnerable to Command Injection via the open function…
    CVE-2026-3497 (CVSS 6.9) — Vulnerability in the OpenSSH GSSAPI delta included in various Linux distributions. This vulnerability affects …
    CVE-2026-1940 (CVSS 5.1) — An incomplete fix for CVE-2024-47778 allows an out-of-bounds read in gst_wavparse_adtl_chunk() function. The p…

    References

    http://www.openwall.com/lists/oss-security/2024/04/17/9
    http://www.openwall.com/lists/oss-security/2024/04/18/4
    http://www.openwall.com/lists/oss-security/2024/04/24/2
    http://www.openwall.com/lists/oss-security/2024/05/27/1
    http://www.openwall.com/lists/oss-security/2024/05/27/2
    http://www.openwall.com/lists/oss-security/2024/05/27/3
    http://www.openwall.com/lists/oss-security/2024/05/27/4
    http://www.openwall.com/lists/oss-security/2024/05/27/5
    http://www.openwall.com/lists/oss-security/2024/05/27/6
    http://www.openwall.com/lists/oss-security/2024/07/22/5
    https://lists.debian.org/debian-lts-announce/2024/05/msg00001.html
    https://lists.fedoraproject.org/archives/list/[email protected]/message/BTJFBGHDYG5PEIFD5WSSSKSFZ2AZWC5N/
    https://lists.fedoraproject.org/archives/list/[email protected]/message/P3I4KYS6EU6S7QZ47WFNTPVAHFIUQNEL/
    https://lists.fedoraproject.org/archives/list/[email protected]/message/YAMJQI3Y6BHWV3CUTYBXOZONCUJNOB2Z/
    https://security.netapp.com/advisory/ntap-20240531-0002/
    https://sourceware.org/git/?p=glibc.git;a=blob;f=advisories/GLIBC-SA-2024-0004
    http://www.openwall.com/lists/oss-security/2024/04/17/9
    http://www.openwall.com/lists/oss-security/2024/04/18/4
    http://www.openwall.com/lists/oss-security/2024/04/24/2
    http://www.openwall.com/lists/oss-security/2024/05/27/1
    http://www.openwall.com/lists/oss-security/2024/05/27/2
    http://www.openwall.com/lists/oss-security/2024/05/27/3
    http://www.openwall.com/lists/oss-security/2024/05/27/4
    http://www.openwall.com/lists/oss-security/2024/05/27/5
    http://www.openwall.com/lists/oss-security/2024/05/27/6
    http://www.openwall.com/lists/oss-security/2024/07/22/5
    https://lists.debian.org/debian-lts-announce/2024/05/msg00001.html
    https://lists.fedoraproject.org/archives/list/[email protected]/message/BTJFBGHDYG5PEIFD5WSSSKSFZ2AZWC5N/
    https://lists.fedoraproject.org/archives/list/[email protected]/message/P3I4KYS6EU6S7QZ47WFNTPVAHFIUQNEL/
    https://lists.fedoraproject.org/archives/list/[email protected]/message/YAMJQI3Y6BHWV3CUTYBXOZONCUJNOB2Z/
    https://security.netapp.com/advisory/ntap-20240531-0002/
    https://sourceware.org/git/?p=glibc.git;a=blob;f=advisories/GLIBC-SA-2024-0004
    https://www.ambionics.io/blog/iconv-cve-2024-2961-p1
    https://www.ambionics.io/blog/iconv-cve-2024-2961-p2
    https://www.ambionics.io/blog/iconv-cve-2024-2961-p3
    https://cert-portal.siemens.com/productcert/html/ssa-082556.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