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TI-2024-02768 Aliases CVE-2024-2961GHSA-22q4-f5r6-3xqw

Out-of-bounds write in GNU glibc

Priority HIGH 74CWE-787Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Low · Low · High
Fix status
Partial Red Hat: 41 fixed, 1 without a fix

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.8833 99th percentileScored 2026-11-07
Fix Partial glibc (The GNU C Library): 2.40Red Hat: 16 advisoriesRed Hat: 41 fixed, 1 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
GNUglibc2.1.93 to before 2.402.40Patch availableCNA
  • glibc VendorGNU Affected 2.1.93 to before 2.40 Fixed in 2.40 Patch available CNA

CPE configurations NVD · 22

CPEVersionsRoleVendor
cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*2.1.93 to before 2.40VulnerableGNU
cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:*not specified by NVDVulnerableNetApp
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*10.0VulnerableDebian
cpe:2.3:o:netapp:hci_h300s_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
cpe:2.3:h:netapp:hci_h300s:-:*:*:*:*:*:*:*not specified by NVDRunning onNetApp
cpe:2.3:o:netapp:hci_h500s_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
cpe:2.3:h:netapp:hci_h500s:-:*:*:*:*:*:*:*not specified by NVDRunning onNetApp
cpe:2.3:o:netapp:hci_h700s_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
cpe:2.3:h:netapp:hci_h700s:-:*:*:*:*:*:*:*not specified by NVDRunning onNetApp
cpe:2.3:o:netapp:hci_h410s_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
  • cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:* Versions 2.1.93 to before 2.40 Vulnerable ·GNU
  • cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:* Versions not specified by NVD Vulnerable ·NetApp
  • cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian
  • cpe:2.3:o:netapp:hci_h300s_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
  • cpe:2.3:h:netapp:hci_h300s:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NetApp
  • cpe:2.3:o:netapp:hci_h500s_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
  • cpe:2.3:h:netapp:hci_h500s:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NetApp
  • cpe:2.3:o:netapp:hci_h700s_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
  • cpe:2.3:h:netapp:hci_h700s:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NetApp
  • cpe:2.3:o:netapp:hci_h410s_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
Show 12 more CPE
CPEVersionsRoleVendor
cpe:2.3:h:netapp:hci_h410s:-:*:*:*:*:*:*:*not specified by NVDRunning onNetApp
cpe:2.3:o:netapp:hci_h410c_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
cpe:2.3:h:netapp:hci_h410c:-:*:*:*:*:*:*:*not specified by NVDRunning onNetApp
cpe:2.3:o:netapp:hci_h610c_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
cpe:2.3:h:netapp:hci_h610c:-:*:*:*:*:*:*:*not specified by NVDRunning onNetApp
cpe:2.3:o:netapp:hci_h610s_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
cpe:2.3:h:netapp:hci_h610s:-:*:*:*:*:*:*:*not specified by NVDRunning onNetApp
cpe:2.3:o:netapp:hci_h615c_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
cpe:2.3:h:netapp:hci_h615c:-:*:*:*:*:*:*:*not specified by NVDRunning onNetApp
cpe:2.3:o:netapp:hci_compute_node:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
cpe:2.3:h:netapp:hci_compute_node:-:*:*:*:*:*:*:*not specified by NVDRunning onNetApp
cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
  • cpe:2.3:h:netapp:hci_h410s:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NetApp
  • cpe:2.3:o:netapp:hci_h410c_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
  • cpe:2.3:h:netapp:hci_h410c:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NetApp
  • cpe:2.3:o:netapp:hci_h610c_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
  • cpe:2.3:h:netapp:hci_h610c:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NetApp
  • cpe:2.3:o:netapp:hci_h610s_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
  • cpe:2.3:h:netapp:hci_h610s:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NetApp
  • cpe:2.3:o:netapp:hci_h615c_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
  • cpe:2.3:h:netapp:hci_h615c:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NetApp
  • cpe:2.3:o:netapp:hci_compute_node:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
  • cpe:2.3:h:netapp:hci_compute_node:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NetApp
  • cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp

Remediation

  • Fix · CNA glibc (The GNU C Library) Fixed in 2.40

Red Hat 16 advisories

  • RHSA-2024:8235 Released 2024-10-23 · Red Hat rating Important
    OpenShift Container Platform 4.14.39 security update
    • Red Hat OpenShift Container Platform 4.14 openshift4/ose-agent-installer-api-server-rhel8, openshift4/ose-cluster-baremetal-operator-rhel8, openshift4/ose-ibm-cloud-controller-manager-rhel8 +5
  • RHSA-2024:7939 Released 2024-10-16 · Red Hat rating Important
    OpenShift Container Platform 4.13.52 security update
    • Red Hat OpenShift Container Platform 4.13 rhcos
  • RHSA-2024:7594 Released 2024-10-09 · Red Hat rating Important
    OpenShift Container Platform 4.15.36 security update
    • Red Hat OpenShift Container Platform 4.15 openshift4/ose-ironic-rhel9, rhcos
Show 13 more Red Hat advisories
  • RHSA-2024:7599 Released 2024-10-09 · Red Hat rating Important
    OpenShift Container Platform 4.16.16 bug fix and security update
    • Red Hat OpenShift Container Platform 4.16 openshift4/ose-installer-rhel9, openshift4/ose-monitoring-plugin-rhel9, rhcos
  • RHSA-2024:7590 Released 2024-10-09 · Red Hat rating Important
    OpenShift Container Platform 4.12.67 bug fix and security update
    • Red Hat OpenShift Container Platform 4.12 openshift4/ose-ironic-rhel9, rhcos
  • RHSA-2024:4126 Released 2024-06-26 · Red Hat rating Important
    Red Hat Service Interconnect 1.4.5 Release security update
    • 9Base-Service-Interconnect-1.4 service-interconnect/skupper-config-sync-rhel9, service-interconnect/skupper-flow-collector-rhel9, service-interconnect/skupper-operator-bundle +3
  • RHSA-2024:3588 Released 2024-06-04 · Red Hat rating Important
    glibc security update
    • Red Hat Enterprise Linux Client (v. 7) glibc-2.17-326.el7_9.3, glibc-common-2.17-326.el7_9.3, glibc-devel-2.17-326.el7_9.3 +3
    • Red Hat Enterprise Linux Client Optional (v. 7) glibc-static-2.17-326.el7_9.3
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) glibc-static-2.17-326.el7_9.3
    • Red Hat Enterprise Linux Server (v. 7) glibc-2.17-326.el7_9.3, glibc-2.17-326.el7_9.3.ppc, glibc-common-2.17-326.el7_9.3 +5
    • Red Hat Enterprise Linux Server Optional (v. 7) glibc-static-2.17-326.el7_9.3, glibc-static-2.17-326.el7_9.3.ppc
    • Red Hat Enterprise Linux Workstation (v. 7) glibc-2.17-326.el7_9.3, glibc-common-2.17-326.el7_9.3, glibc-devel-2.17-326.el7_9.3 +3
    • Red Hat Enterprise Linux Workstation Optional (v. 7) glibc-static-2.17-326.el7_9.3
  • RHSA-2024:3464 Released 2024-05-29 · Red Hat rating Important
    glibc security update
    • Red Hat Enterprise Linux AppStream AUS (v. 8.2) compat-libpthread-nonshared-2.28-101.el8_2.2, glibc-utils-2.28-101.el8_2.2
    • Red Hat Enterprise Linux BaseOS AUS (v. 8.2) glibc-2.28-101.el8_2.2, glibc-all-langpacks-2.28-101.el8_2.2, glibc-common-2.28-101.el8_2.2 +47
  • RHSA-2024:3411 Released 2024-05-28 · Red Hat rating Important
    glibc security update
    • Red Hat CodeReady Linux Builder EUS (v.9.2) glibc-benchtests-2.34-60.el9_2.14, glibc-nss-devel-2.34-60.el9_2.14, glibc-static-2.34-60.el9_2.14 +2
    • Red Hat Enterprise Linux AppStream EUS (v.9.2) glibc-devel-2.34-60.el9_2.14, glibc-doc-2.34-60.el9_2.14, glibc-headers-2.34-60.el9_2.14 +2
    • Red Hat Enterprise Linux BaseOS EUS (v.9.2) glibc-2.34-60.el9_2.14, glibc-all-langpacks-2.34-60.el9_2.14, glibc-common-2.34-60.el9_2.14 +47
  • RHSA-2024:3423 Released 2024-05-28 · Red Hat rating Important
    glibc security update
    • Red Hat CodeReady Linux Builder EUS (v.9.0) glibc-benchtests-2.34-28.el9_0.6, glibc-nss-devel-2.34-28.el9_0.6, glibc-static-2.34-28.el9_0.6 +2
    • Red Hat Enterprise Linux AppStream EUS (v.9.0) glibc-devel-2.34-28.el9_0.6, glibc-doc-2.34-28.el9_0.6, glibc-headers-2.34-28.el9_0.6 +2
    • Red Hat Enterprise Linux BaseOS EUS (v.9.0) glibc-2.34-28.el9_0.6, glibc-all-langpacks-2.34-28.el9_0.6, glibc-common-2.34-28.el9_0.6 +47
  • RHSA-2024:3339 Released 2024-05-23 · Red Hat rating Important
    glibc security update
    • Red Hat Enterprise Linux AppStream (v. 9) glibc-devel-2.34-100.el9_4.2, glibc-doc-2.34-100.el9_4.2, glibc-headers-2.34-100.el9_4.2 +2
    • Red Hat Enterprise Linux BaseOS (v. 9) glibc-2.34-100.el9_4.2, glibc-all-langpacks-2.34-100.el9_4.2, glibc-common-2.34-100.el9_4.2 +47
    • Red Hat Enterprise Linux CRB (v. 9) glibc-benchtests-2.34-100.el9_4.2, glibc-nss-devel-2.34-100.el9_4.2, glibc-static-2.34-100.el9_4.2 +2
  • RHSA-2024:3312 Released 2024-05-23 · Red Hat rating Important
    glibc security update
    • Red Hat CodeReady Linux Builder EUS (v.8.8) glibc-benchtests-2.28-225.el8_8.11, glibc-nss-devel-2.28-225.el8_8.11, glibc-static-2.28-225.el8_8.11 +1
    • Red Hat Enterprise Linux AppStream EUS (v.8.8) compat-libpthread-nonshared-2.28-225.el8_8.11, glibc-utils-2.28-225.el8_8.11
    • Red Hat Enterprise Linux BaseOS EUS (v.8.8) glibc-2.28-225.el8_8.11, glibc-all-langpacks-2.28-225.el8_8.11, glibc-common-2.28-225.el8_8.11 +47
  • RHSA-2024:3309 Released 2024-05-23 · Red Hat rating Important
    glibc security update
    • Red Hat Enterprise Linux AppStream AUS (v.8.4) compat-libpthread-nonshared-2.28-151.el8_4.2, glibc-utils-2.28-151.el8_4.2
    • Red Hat Enterprise Linux AppStream E4S (v.8.4) compat-libpthread-nonshared-2.28-151.el8_4.2, glibc-utils-2.28-151.el8_4.2
    • Red Hat Enterprise Linux AppStream TUS (v.8.4) compat-libpthread-nonshared-2.28-151.el8_4.2, glibc-utils-2.28-151.el8_4.2
    • Red Hat Enterprise Linux BaseOS AUS (v.8.4) glibc-2.28-151.el8_4.2, glibc-all-langpacks-2.28-151.el8_4.2, glibc-common-2.28-151.el8_4.2 +47
    • Red Hat Enterprise Linux BaseOS E4S (v.8.4) glibc-2.28-151.el8_4.2, glibc-all-langpacks-2.28-151.el8_4.2, glibc-common-2.28-151.el8_4.2 +47
    • Red Hat Enterprise Linux BaseOS TUS (v.8.4) glibc-2.28-151.el8_4.2, glibc-all-langpacks-2.28-151.el8_4.2, glibc-common-2.28-151.el8_4.2 +47
  • RHSA-2024:3269 Released 2024-05-22 · Red Hat rating Important
    glibc security update
    • Red Hat Enterprise Linux AppStream (v. 8) compat-libpthread-nonshared-2.28-251.el8_10.1, glibc-utils-2.28-251.el8_10.1
    • Red Hat Enterprise Linux BaseOS (v. 8) glibc-2.28-251.el8_10.1, glibc-all-langpacks-2.28-251.el8_10.1, glibc-common-2.28-251.el8_10.1 +47
    • Red Hat Enterprise Linux CRB (v. 8) glibc-benchtests-2.28-251.el8_10.1, glibc-nss-devel-2.28-251.el8_10.1, glibc-static-2.28-251.el8_10.1 +1
  • RHSA-2024:2799 Released 2024-05-09 · Red Hat rating Important
    glibc security update
    • Red Hat CodeReady Linux Builder EUS (v.8.6) glibc-benchtests-2.28-189.10.el8_6, glibc-nss-devel-2.28-189.10.el8_6, glibc-static-2.28-189.10.el8_6 +1
    • Red Hat Enterprise Linux AppStream EUS (v.8.6) compat-libpthread-nonshared-2.28-189.10.el8_6, glibc-utils-2.28-189.10.el8_6
    • Red Hat Enterprise Linux BaseOS EUS (v.8.6) glibc-2.28-189.10.el8_6, glibc-all-langpacks-2.28-189.10.el8_6, glibc-common-2.28-189.10.el8_6 +47
    • Red Hat Virtualization 4 Hypervisor for RHEL 8 glibc-devel-2.28-189.10.el8_6, glibc-headers-2.28-189.10.el8_6
  • RHSA-2024:2722 Released 2024-05-07 · Red Hat rating Important
    glibc security update
    • Red Hat CodeReady Linux Builder (v. 8) glibc-benchtests-2.28-236.el8_9.13, glibc-nss-devel-2.28-236.el8_9.13, glibc-static-2.28-236.el8_9.13 +1
    • Red Hat Enterprise Linux AppStream (v. 8) compat-libpthread-nonshared-2.28-236.el8_9.13, glibc-utils-2.28-236.el8_9.13
    • Red Hat Enterprise Linux BaseOS (v. 8) glibc-2.28-236.el8_9.13, glibc-all-langpacks-2.28-236.el8_9.13, glibc-common-2.28-236.el8_9.13 +47

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope
9Base-Service-Interconnect-1.4Fixed RHSA-2024:4126
Red Hat CodeReady Linux Builder (v. 8)Fixed RHSA-2024:2722
Red Hat CodeReady Linux Builder EUS (v.8.6)Fixed RHSA-2024:2799
Red Hat CodeReady Linux Builder EUS (v.8.8)Fixed RHSA-2024:3312
Red Hat CodeReady Linux Builder EUS (v.9.0)Fixed RHSA-2024:3423
Red Hat CodeReady Linux Builder EUS (v.9.2)Fixed RHSA-2024:3411
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2024:2722, RHSA-2024:3269
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2024:3339
Red Hat Enterprise Linux AppStream AUS (v. 8.2)Fixed RHSA-2024:3464
Red Hat Enterprise Linux AppStream AUS (v.8.4)Fixed RHSA-2024:3309
Red Hat Enterprise Linux AppStream E4S (v.8.4)Fixed RHSA-2024:3309
Red Hat Enterprise Linux AppStream EUS (v.8.6)Fixed RHSA-2024:2799
Red Hat Enterprise Linux AppStream EUS (v.8.8)Fixed RHSA-2024:3312
Red Hat Enterprise Linux AppStream EUS (v.9.0)Fixed RHSA-2024:3423
Red Hat Enterprise Linux AppStream EUS (v.9.2)Fixed RHSA-2024:3411
Red Hat Enterprise Linux AppStream TUS (v.8.4)Fixed RHSA-2024:3309
Red Hat Enterprise Linux BaseOS (v. 8)Fixed RHSA-2024:2722, RHSA-2024:3269
Red Hat Enterprise Linux BaseOS (v. 9)Fixed RHSA-2024:3339
Red Hat Enterprise Linux BaseOS AUS (v. 8.2)Fixed RHSA-2024:3464
Red Hat Enterprise Linux BaseOS AUS (v.8.4)Fixed RHSA-2024:3309
Red Hat Enterprise Linux BaseOS E4S (v.8.4)Fixed RHSA-2024:3309
Red Hat Enterprise Linux BaseOS EUS (v.8.6)Fixed RHSA-2024:2799
Red Hat Enterprise Linux BaseOS EUS (v.8.8)Fixed RHSA-2024:3312
Red Hat Enterprise Linux BaseOS EUS (v.9.0)Fixed RHSA-2024:3423
Red Hat Enterprise Linux BaseOS EUS (v.9.2)Fixed RHSA-2024:3411
Red Hat Enterprise Linux BaseOS TUS (v.8.4)Fixed RHSA-2024:3309
Red Hat Enterprise Linux CRB (v. 8)Fixed RHSA-2024:3269
Red Hat Enterprise Linux CRB (v. 9)Fixed RHSA-2024:3339
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2024:3588
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2024:3588
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2024:3588
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2024:3588
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2024:3588
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2024:3588
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2024:3588
Red Hat OpenShift Container Platform 4.12Fixed RHSA-2024:7590
Red Hat OpenShift Container Platform 4.13Fixed RHSA-2024:7939
Red Hat OpenShift Container Platform 4.14Fixed RHSA-2024:8235
Red Hat OpenShift Container Platform 4.15Fixed RHSA-2024:7594
Red Hat OpenShift Container Platform 4.16Fixed RHSA-2024:7599
Red Hat Virtualization 4 Hypervisor for RHEL 8Fixed RHSA-2024:2799
Not affected: 8 products
  • Red Hat Enterprise Linux 10
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat OpenShift Container Platform 4.12
  • Red Hat OpenShift Container Platform 4.13
  • Red Hat OpenShift Container Platform 4.14
  • Red Hat OpenShift Container Platform 4.15
  • Red Hat OpenShift Container Platform 4.16

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-2961
  2. 2026-10-03 Alias added: GHSA-22q4-f5r6-3xqw
  3. 2026-10-16 Affected versions changed · Red Hat
  4. 2026-11-03 CISA SSVC decision points changed

References

  • TI-2023-04522 Glibc: buffer overflow in ld.so leading to privilege escalation KEVCVSS 3.1HIGH 7.8
  • TI-2015-00205 Heap-based buffer overflow in the __nss_hostname_digits_dots function in glibc 2.2, and… CVSS 2.0HIGH 10.0
  • TI-2026-04772 scanf %mc off-by-one heap buffer overflow CVSS 3.1CRITICAL 9.8
  • TI-2022-07360 The deprecated compatibility function clnt_create in the sunrpc module of the GNU C… CVSS 3.1CRITICAL 9.8
  • TI-2022-07359 The deprecated compatibility function svcunix_create in the sunrpc module of the GNU C… CVSS 3.1CRITICAL 9.8
  • TI-2015-06274 Multiple stack-based buffer overflows in the (1) send_dg and (2) send_vc functions in the… CVSS 3.0HIGH 8.1
See all 162 →

Sources