Public vulnerability disclosure

CVE-2024-2961

CVE-2024-2961

publishedCWE-787

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.

Technical severity7.3 highCVSS 3.1 · ADP: CISA-ADP
Published2024-04-17Source updated 2026-11-03
Collected2026-11-032 attributed sources

Fixes and workarounds

No remediation reported in collected sources.

Missing remediation information is not evidence that no patch exists.

Affected products and versions

Affected products, source version ranges and reporting authorities
ProductVersionsAuthority
glibc
The GNU C Library
≥ 2.1.93; < 2.40 (affected, custom)
Other versions: unaffected
CNA: glibc
glibc
gnu
≥ 2.1.93; < 2.40 (affected, semver)
Other versions: unknown
ADP: CISA-ADP
SIMATIC S7-1500 CPU 1518-4 PN/DP MFP
Siemens
≥ V3.1.5; < * (affected, custom)
Other versions: unknown
ADP: siemens-SADP
SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP
Siemens
≥ V3.1.5; < * (affected, custom)
Other versions: unknown
ADP: siemens-SADP
SIPLUS S7-1500 CPU 1518-4 PN/DP MFP
Siemens
≥ V3.1.5; < * (affected, custom)
Other versions: unknown
ADP: siemens-SADP

Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.

CVSS assessments

CVSS scores, vectors and reporting authorities
Version / scoreVectorAuthority
3.1 / 7.3
high
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:HADP: CISA-ADP

Exploit evidence

References

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