CVE-2024-23948: Multiple improper array index validation vulnerabilities exist in the readMSH functionality of libigl v2.5.0

This month

HIGH 8.8DOWNGRADE

CVE-2024-23948 is a high-severity flaw (CVSS 8.8) affecting libigl. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple improper array index validation vulnerabilities exist in the readMSH functionality of libigl v2.5.0. A specially crafted .msh file can lead to an out-of-bounds write. An attacker can provide a malicious file to trigger this vulnerability.This vulnerability concerns the `igl::MshLoader::parse_nodes` function while handling an `ascii`.msh` file.

Why this priority

High severity

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.9% (top 40%)
CISA exploited list	No
Weakness	CWE-787
Published	2024-05-28
Last modified	2026-06-17

Publisher (CNA): Talos · Vendor: libigl

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

Am I affected?

Timeline

2024-05-28 14:15 UTCPublished CVE record published
2026-06-17 07:13 UTCUpdated Record last modified

libigl libigl DOWNGRADE

Affected: 2.5.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.5.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2.5.0 (Debian / Ubuntu)

apt-cache madison libigl sudo apt install libigl=<VERSION_BEFORE_2.5.0> sudo apt-mark hold libigl

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list libigl sudo dnf downgrade libigl-<VERSION_BEFORE_2.5.0> sudo dnf versionlock add libigl

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2024-23948?

libigl: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-23948 being exploited?

CVE-2024-23948 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-2024-23948 affect?

CVE-2024-23948 affects libigl. Severity is high (CVSS 8.8). Multiple improper array index validation vulnerabilities exist in the readMSH functionality of libigl v2.5.0. A specially crafted .msh file can lead to an out-of-bounds write. An attacker can provide a malicious file to trigger this vulnera

How urgent is CVE-2024-23948?

Priority 46/100. High severity

Related CVEs

CVE-2024-24686 HIGH 7.8 DOWNGRADE Multiple stack-based buffer overflow vulnerabilities exist in the readOFF functionality of libigl v2.5.0
CVE-2024-24685 HIGH 7.8 DOWNGRADE Multiple stack-based buffer overflow vulnerabilities exist in the readOFF functionality of libigl v2.5.0
CVE-2024-24684 HIGH 7.8 DOWNGRADE Multiple stack-based buffer overflow vulnerabilities exist in the readOFF functionality of libigl v2.5.0
CVE-2024-24584 MEDIUM 4.3 DOWNGRADE Multiple out-of-bounds read vulnerabilities exist in the readMSH functionality of libigl v2.5.0
CVE-2024-24583 MEDIUM 4.3 DOWNGRADE Multiple out-of-bounds read vulnerabilities exist in the readMSH functionality of libigl v2.5.0

References

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