Home/CVE/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
CVE

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

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.

HIGH · CVSS 7.3 EPSS 0.91924
Act now
  • EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
  • EPSS percentile: top 0% of all CVEs by exploitation likelihood
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-787Out-of-bounds Write
▤

Affected Products & Versions

13
gnu glibc>= 2.1.93 and < 2.40
netapp active iq unified managerall versions
debian linuxall versions
netapp hci h300s firmwareall versions
netapp hci h500s firmwareall versions
netapp hci h700s firmwareall versions
netapp hci h410s firmwareall versions
netapp hci h410c firmwareall versions
◈

Detection Rules (IDS/IPS)

1
et-openET EXPLOIT glibc iconv Abitrary File Read RCE (CVE-2024-2961)web-application-attack
Open rulesets (ET Open, Snort Community, abuse.ch) link to source. Commercial rulesets are reference-only.
▣

Scoring & Timeline

7.3
HIGH · CVSS v3.1 · 3ff69d7a-14f2-4f67-a097-88dee7810d18
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD17 Apr 2024 · 06:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

30
msrcCVE-2024-2961
siemens-csafSSA-082556
suse-csafopenSUSE-SU-2025:0081-1
suse-csafSUSE-SU-2025:20038-1
suse-csafopenSUSE-SU-2025:14688-1
🔗

References & Sources

20
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.openwall.com/lists/oss-security/2024/04/17/9Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2024/04/18/4Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2024/04/24/2Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2024/05/27/1Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2024/05/27/2Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2024/05/27/3Mailing ListThird Party Advisory
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