musl libc GB18030 4-byte Decoder iconv.c iconv algorithmic complexity (musl libc)

CVE-2026-6042
MEDIUM 4.8

At a glance

Source
NVD
EPSS
EPSS 0.24 % · percentile 15 ()
State
PUBLISHED
Published
Updated
Assigner
VulDB
NVD status
Deferred

Description

A security flaw has been discovered in musl libc up to 1.2.6. Affected is the function iconv of the file src/locale/iconv.c of the component GB18030 4-byte Decoder. Performing a manipulation results in inefficient algorithmic complexity. The attack must be initiated from a local position. To fix this issue, it is recommended to deploy a patch.

Weaknesses (CWE)

  • CWE-407 — Inefficient Algorithmic Complexity
  • CWE-404 — Improper Resource Shutdown or Release

References

Scores

VersionScoreVectorScored by
CVSS 4.0MEDIUM 4.8CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:XVulDB
CVSS 3.1LOW 3.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:X/RL:O/RC:CVulDB
CVSS 3.0LOW 3.3CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:X/RL:O/RC:CVulDB
CVSS 2.0LOW 1.7AV:L/AC:L/Au:S/C:N/I:N/A:P/E:ND/RL:OF/RC:CVulDB
CVSS 4.0MEDIUM 4.8CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XNVD · cna@vuldb.com (Secondary)
CVSS 3.1LOW 3.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:LNVD · cna@vuldb.com (Secondary)
CVSS 2.0LOW 1.7AV:L/AC:L/Au:S/C:N/I:N/A:PNVD · cna@vuldb.com (Secondary)

European references

CERT-FR advisories

Affected products

ProductVersions
musl · libcaffected 1.2.0 ; affected 1.2.1 ; affected 1.2.2 ; affected 1.2.3 ; affected 1.2.4 ; affected 1.2.5

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD