CVE-2024-8947
MicroPython objarray.c use after free
02 Description
MicroPython objarray.c use after free
03 Exploitation and scoring
- Exploitation
- Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.
- SSVC decision
- ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 1.02% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 63.3% of scored records. A rank, not a probability.
- NVD base score
- 6.3 (CVSS v4.0), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/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:X
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2024-09-17 18:31Z2 YR AGO
- Last updated
- 2024-09-17 20:11Z2 YR AGO
- Reserved
- 2024-09-17
- Assigning CNA
- VulDB
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 6.3)
- CNA CVSS vector
- CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
- Weaknesses
- CWE-416Use After FreeVariant
- Data version
- 5.1
- Document digest
- 5cb050e474a5a450a31f9efcbbe1b3ab88359ba01fa78879bc6e73424867959c
05 Affected products
06 References
- vuldb.comVDB-277765 | MicroPython objarray.c use after freehttps://vuldb.com/?id.277765
- vuldb.comVDB-277765 | CTI Indicators (IOB, IOC, IOA)https://vuldb.com/?ctiid.277765
- vuldb.comSubmit #409316 | micropython v1.22.2 Use After Freehttps://vuldb.com/?submit.409316
- github.comhttps://github.com/micropython/micropython/issues/13283
- github.comhttps://github.com/micropython/micropython/issues/13283#issuecomment-1918479709
- github.comhttps://github.com/micropython/micropython/commit/4bed614e707c0644c06e117f848fa12605c711cd
- github.comhttps://github.com/micropython/micropython/releases/tag/v1.23.0
07 Fixed in
Debian 13
- micropython Fixed in 1.24.0+ds-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- micropython Fixed in 1.24.0+ds-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 20.04 LTS
- micropython Fixed in 1.12-1ubuntu0.1~esm1Available with Ubuntu Pro: https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 22.04 LTS
- micropython Fixed in 1.17+ds-1.1ubuntu2+esm1Available with Ubuntu Pro: https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 24.04 LTS
- micropython Fixed in 1.22.1+ds-1ubuntu0.24.04.1~esm1Available with Ubuntu Pro: https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.