CVE-2024-2961The 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…
Updated under an hour ago ()
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It affects The GNU C Library glibc and 4 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 7.3 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
- Weakness (CWE)
- CWE-787
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- glibc
- NVD analysis
- Not yet received
- Record last updated
- Oct 15, 2026
- First seen by InfoSec Signals
- Oct 15, 2026
Affected products
The GNU C Library glibc gnu_c_library:glibc (from the name) | from 2.1.93 before 2.40 | CNA record |
gnu glibc gnu:glibc | from 2.1.93 before 2.40 | CISA ADP |
Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP siemens:simatic_s7_1500_cpu_1518_4_pn_dp_mfp (from the name) | from V3.1.5 | CISA ADP |
Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP siemens:simatic_s7_1500_cpu_1518f_4_pn_dp_mfp (from the name) | from V3.1.5 | CISA ADP |
Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP siemens:siplus_s7_1500_cpu_1518_4_pn_dp_mfp (from the name) | from V3.1.5 | CISA ADP |
References
- 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
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.