How severe is CVE-2023-29824?

CVE-2023-29824 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-29824 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-29824?

CVE-2023-29824 affects Scipy. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-29824?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2023-29824 published?

CVE-2023-29824 was published on 2023-07-06 and last updated on 2026-06-17.

CVE-2023-29824

CVE-2023-29824 is a critical-severity vulnerability in Scipy with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-416.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-416
Affected product: Scipy
Published: 2023-07-06
Last modified: 2026-06-17

Description

A use-after-free issue was discovered in Py_FindObjects() function in SciPy versions prior to 1.8.0. NOTE: the vendor and discoverer indicate that this is not a security issue.

Frequently asked questions

What is CVE-2023-29824?: A use-after-free issue was discovered in Py_FindObjects() function in SciPy versions prior to 1.8.0. NOTE: the vendor and discoverer indicate that this is not a security issue.
How severe is CVE-2023-29824?: CVE-2023-29824 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-29824 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-29824?: CVE-2023-29824 affects Scipy. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-29824?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-29824 published?: CVE-2023-29824 was published on 2023-07-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:scipy:scipy:*:*:*:*:*:*:*:*

More vulnerabilities in Scipy

CVE-2013-4251 — High (CVSS 7.8): The scipy.weave component in SciPy before 0.12.1 creates insecure temporary directories.
CVE-2023-25399 — Medium (CVSS 5.5): A refcounting issue which leads to potential memory leak was discovered in scipy commit 8627df31ab in Py_FindObjects()…

All CVEs affecting Scipy →

Other CWE-416 (Use After Free) vulnerabilities

CVE-2026-13782 — Critical (CVSS 10.0): Use after free in Browser in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the…
CVE-2026-4725 — Critical (CVSS 10.0): Sandbox escape due to use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149…
CVE-2026-4688 — Critical (CVSS 10.0): Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox…
CVE-2025-24085 — Critical (CVSS 10.0): A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.3 and iPadOS 18.3,…
CVE-2024-43102 — Critical (CVSS 10.0): Concurrent removals of certain anonymous shared memory mappings by using the UMTX_SHM_DESTROY sub-request of…
CVE-2021-32495 — Critical (CVSS 10.0): Radare2 has a use-after-free vulnerability in pyc parser's get_none_object function. Attacker can read freed memory…

Browse all CWE-416 (Use After Free) vulnerabilities →