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CVE-2024-2961

87
FAUCET Score

CVE-2024-2961 is a high-severity buffer overflow vulnerability in the GNU C Library's iconv() function (versions 2.39 and older) when converting to the ISO-2022-CN-EXT character set, affecting products from Debian, GNU, and NetApp. This flaw allows an attacker to cause an application crash or overwrite adjacent memory, with a CVSS score of 7.3 (High) and an extremely high EPSS score of 0.92156, indicating a significant likelihood of exploitation. It is actively being exploited in the wild, notably as part of the "CosmicSting" attack chain targeting Adobe Commerce and Magento installations, leading to thousands of compromised online stores. A Metasploit module exists, combining this vulnerability with CVE-2024-34102, and it has garnered substantial community discussion and media coverage due to its active use in real-world attacks.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.1.93, < 2.40CPE matchmatch criteria
cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:*
10.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:netapp:hci_h300s_firmware:-:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:netapp:hci_h500s_firmware:-:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.3HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
HIGH
Exploitability Score
2.5
Impact Score
4.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
88.33%
Probability of exploitation in next 30 days
EPSS Percentile
99.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Metasploit: CosmicSting: Magento Arbitrary File Read (CVE-2024-34102) + PHP Buffer Overflow in the iconv() function of glibc (CVE-2024-2961) · Jul 26, 2024
Nuclei: CVE-2024-2961 · Oct 8, 2024
This CVE's current EPSS score of 0.8833 is in the 100th percentile among its peer group of 3,241 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.5 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (26)

denopatch availablevia llm_extracted
View patch
keraspatch availablevia llm_extracted
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: glibc-0:2.28-251.el8_10.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.2 Advanced Update SupportFixed in: glibc-0:2.28-101.el8_2.2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportFixed in: glibc-0:2.28-151.el8_4.2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.4 Telecommunications Update ServiceFixed in: glibc-0:2.28-151.el8_4.2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.4 Update Services for SAP SolutionsFixed in: glibc-0:2.28-151.el8_4.2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.6 Extended Update SupportFixed in: glibc-0:2.28-189.10.el8_6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.8 Extended Update SupportFixed in: glibc-0:2.28-225.el8_8.11
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: glibc-0:2.34-100.el9_4.2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9.0 Extended Update SupportFixed in: glibc-0:2.34-28.el9_0.6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9.2 Extended Update SupportFixed in: glibc-0:2.34-60.el9_2.14
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 4.12Fixed in: rhcos-412.86.202410010038-0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: glibc-0:2.17-326.el7_9.3
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 4.14Fixed in: rhcos-414.92.202410112148-0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 4.15Fixed in: rhcos-415.92.202410020020-0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 4.16Fixed in: rhcos-416.94.202410020522-0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Virtualization 4 for Red Hat Enterprise Linux 8Fixed in: glibc-0:2.28-189.10.el8_6
View patch
redhatpatch availablevia redhat_api
Product: Service Interconnect 1.4 for RHEL 9Fixed in: service-interconnect/skupper-config-sync-rhel9:1.4.5-2
View patch
redhatpatch availablevia redhat_api
Product: Service Interconnect 1.4 for RHEL 9Fixed in: service-interconnect/skupper-flow-collector-rhel9:1.4.5-2
View patch
redhatpatch availablevia redhat_api
Product: Service Interconnect 1.4 for RHEL 9Fixed in: service-interconnect/skupper-operator-bundle:1.4.5-4
View patch
redhatpatch availablevia redhat_api
Product: Service Interconnect 1.4 for RHEL 9Fixed in: service-interconnect/skupper-router-rhel9:2.4.3-4
View patch
redhatpatch availablevia redhat_api
Product: Service Interconnect 1.4 for RHEL 9Fixed in: service-interconnect/skupper-service-controller-rhel9:1.4.5-2
View patch
redhatpatch availablevia redhat_api
Product: Service Interconnect 1.4 for RHEL 9Fixed in: service-interconnect/skupper-site-controller-rhel9:1.4.5-2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 4.13Fixed in: rhcos-413.92.202410081857-0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: glibc-0:2.28-236.el8_9.13
View patch

Vendor Advisories (4)

denollm-deno-b67a3af2ce0be075CRITICAL

HP ThinPro 8.0 SP 9 Security Updates

Jun 17, 2024
kerasllm-keras-7d8c31fee70361dcCRITICAL

HP ThinPro 8.0 SP 9 Security Updates

Jun 17, 2024
redhatCVE-2024-2961Important

glibc: Out of bounds write in iconv may lead to remote code execution

Apr 17, 2024
microsoft2024-Apr/CVE-2024-2961Important

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.

Apr 9, 2024

References

cert-portal.siemens.com / productcert/html/ssa-082556.html
lists.debian.org / debian-lts-announce/2024/05/msg00001.html
Mailing ListThird Party Advisory
lists.fedoraproject.org / archives/list/[email protected]/message/BTJFBGHDYG5PEIFD5WSSSKSFZ2AZWC5N
Broken Link
lists.fedoraproject.org / archives/list/[email protected]/message/P3I4KYS6EU6S7QZ47WFNTPVAHFIUQNEL
Broken Link
lists.fedoraproject.org / archives/list/[email protected]/message/YAMJQI3Y6BHWV3CUTYBXOZONCUJNOB2Z
Broken Link
security.netapp.com / advisory/ntap-20240531-0002
Third Party Advisory
sourceware.org / git
Third Party Advisory
openwall.com / lists/oss-security/2024/04/17/9
Mailing ListThird Party Advisory
openwall.com / lists/oss-security/2024/04/18/4
Mailing ListThird Party Advisory
openwall.com / lists/oss-security/2024/04/24/2
Mailing ListThird Party Advisory
openwall.com / lists/oss-security/2024/05/27/1
Mailing ListThird Party Advisory
openwall.com / lists/oss-security/2024/05/27/2
Mailing ListThird Party Advisory
openwall.com / lists/oss-security/2024/05/27/3
Mailing ListThird Party Advisory
openwall.com / lists/oss-security/2024/05/27/4
Mailing ListThird Party Advisory
openwall.com / lists/oss-security/2024/05/27/5
Mailing ListThird Party Advisory
openwall.com / lists/oss-security/2024/05/27/6
Mailing ListThird Party Advisory
openwall.com / lists/oss-security/2024/07/22/5
Mailing ListThird Party Advisory
ambionics.io / blog/iconv-cve-2024-2961-p1
Broken Link
ambionics.io / blog/iconv-cve-2024-2961-p2
Broken Link
ambionics.io / blog/iconv-cve-2024-2961-p3
Broken Link