CVE-2024-2961

Description

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.

Category

7.3
CVSS
Severity: High
CVSS 3.1 •
EPSS 93.53% Top 5%
Affected: The GNU C Library glibc
Published at:
Updated at:

References

Link Tags
https://sourceware.org/git/?p=glibc.git;a=blob;f=advisories/GLIBC-SA-2024-0004
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/P3I4KYS6EU6S7QZ47WFNTPVAHFIUQNEL/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YAMJQI3Y6BHWV3CUTYBXOZONCUJNOB2Z/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BTJFBGHDYG5PEIFD5WSSSKSFZ2AZWC5N/
http://www.openwall.com/lists/oss-security/2024/04/24/2
http://www.openwall.com/lists/oss-security/2024/04/17/9
http://www.openwall.com/lists/oss-security/2024/04/18/4
https://lists.debian.org/debian-lts-announce/2024/05/msg00001.html
http://www.openwall.com/lists/oss-security/2024/05/27/2
http://www.openwall.com/lists/oss-security/2024/05/27/6
http://www.openwall.com/lists/oss-security/2024/05/27/1
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/2024/05/27/3
https://security.netapp.com/advisory/ntap-20240531-0002/
http://www.openwall.com/lists/oss-security/2024/07/22/5
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

Frequently Asked Questions

What is the severity of CVE-2024-2961?
CVE-2024-2961 has been scored as a high severity vulnerability.
How to fix CVE-2024-2961?
To fix CVE-2024-2961, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-2961 being actively exploited in the wild?
It is possible that CVE-2024-2961 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~94% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-2961?
CVE-2024-2961 affects The GNU C Library glibc.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.