CVE-2023-29824: A use-after-free issue was discovered in Py_FindObjects() function in SciPy versions prior to 1.8.0

Q: How do I fix CVE-2023-29824?

scipy: upgrade to 1.8.0. Exact commands for each OS are on this page.

Q: Is CVE-2023-29824 being exploited?

CVE-2023-29824 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-29824 affect?

CVE-2023-29824 affects scipy. Severity is critical (CVSS 9.8). 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.

Q: How urgent is CVE-2023-29824?

Priority 62/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

CRITICAL 9.8REMOTEUPGRADE

CVE-2023-29824 is a critical-severity flaw (CVSS 9.8) affecting scipy. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.3% (top 29%)
CISA exploited list	No
Weakness	CWE-416
Published	2023-07-06
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: scipy

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-07-06 21:15 UTCPublished CVE record published
2026-06-17 05:50 UTCUpdated Record last modified

scipy scipy UPGRADE

Affected: < 1.8.0

Fixed in: 1.8.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy scipy || rpm -q scipy || scipy --version

2. UPGRADE to 1.8.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade scipy

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade scipy

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-29824?

scipy: upgrade to 1.8.0. Exact commands for each OS are on this page.

Is CVE-2023-29824 being exploited?

CVE-2023-29824 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-29824 affect?

CVE-2023-29824 affects scipy. Severity is critical (CVSS 9.8). 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 urgent is CVE-2023-29824?

Priority 62/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2023-25399 MEDIUM 5.5 UPGRADE A refcounting issue which leads to potential memory leak was discovered in scipy commit 8627df31ab in Py_FindO

References

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