cve.bz

CVE-2014-4616

5.9 mediumEPSS 7.8%

Medium (5.9). EPSS 7.8% chance of exploitation in the next 30 days. Fixed in simplejson 2.6.1.

Array index error in the scanstring function in the _json module in Python 2.7 through 3.5 and simplejson before 2.6.1 allows context-dependent attackers to read arbitrary process memory via a negative index value in the idx argument to the raw_decode function.

Severity

CVSS 3.1

5.9 medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS
7.8% chance of exploitation in the next 30 days; higher than 94% of CVEs (scores of 2026-10-31)
CWE
CWE-129
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-9772-cwx9-r4cjPyPIsimplejson<2.6.12.6.1
PYSEC-2026-921PyPIsimplejson<2.6.12.6.1

References

Check your stackJSON