CVE-2026-2653: A security flaw has been discovered in admesh up to 0.98.5

Q: How do I fix CVE-2026-2653?

admesh: upgrade to newer than 0.98.5. Exact commands for each OS are on this page.

Q: Is CVE-2026-2653 being exploited?

CVE-2026-2653 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-2026-2653 affect?

CVE-2026-2653 affects admesh. Severity is medium (CVSS 5.3). A security flaw has been discovered in admesh up to 0.98.5. This issue affects the function stl_check_normal_vector of the file src/normals.c. Performing a manipulation results in heap-based buffer overflow. The attack must be initiated fro

Q: How urgent is CVE-2026-2653?

Priority 28/100. Public exploit reference

Routine

MEDIUM 5.3UPGRADE

CVE-2026-2653 is a medium-severity flaw (CVSS 5.3) affecting admesh. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A security flaw has been discovered in admesh up to 0.98.5. This issue affects the function stl_check_normal_vector of the file src/normals.c. Performing a manipulation results in heap-based buffer overflow. The attack must be initiated from a local position. The exploit has been released to the public and may be used for attacks. It looks like this product is not really maintained anymore.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 81%)
CISA exploited list	No
Weakness	CWE-119, CWE-122
Published	2026-02-18
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: admesh project

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

Am I affected?

Timeline

2026-02-18 11:16 UTCPublished CVE record published
2026-06-17 10:31 UTCUpdated Record last modified

admesh project admesh UPGRADE

Affected: <= 0.98.5

Fixed in: newer than 0.98.5

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 0.98.5 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade admesh

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-2026-2653?

admesh: upgrade to newer than 0.98.5. Exact commands for each OS are on this page.

Is CVE-2026-2653 being exploited?

CVE-2026-2653 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-2026-2653 affect?

CVE-2026-2653 affects admesh. Severity is medium (CVSS 5.3). A security flaw has been discovered in admesh up to 0.98.5. This issue affects the function stl_check_normal_vector of the file src/normals.c. Performing a manipulation results in heap-based buffer overflow. The attack must be initiated fro

How urgent is CVE-2026-2653?

Priority 28/100. Public exploit reference

References

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