How severe is CVE-2026-3391?

CVE-2026-3391 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2026-3391 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-3391?

CVE-2026-3391 affects Lily-lang Lily. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-3391?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-3391 have an EU (EUVD) identifier?

Yes. CVE-2026-3391 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9126.

When was CVE-2026-3391 published?

CVE-2026-3391 was published on 2026-03-01 and last updated on 2026-06-17.

CVE-2026-3391

CVE-2026-3391 is a low-severity vulnerability in Lily-lang Lily with a CVSS 3.x base score of 3.3. 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-125.

Key facts

Severity: Low (CVSS 3.x base score 3.3)
CVSS v2: 1.7
CVSS v4: 1.9
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-9126
Weakness: CWE-125
Affected product: Lily-lang Lily
Published: 2026-03-01
Last modified: 2026-06-17

Description

A security flaw has been discovered in FascinatedBox lily up to 2.3. Impacted is the function clear_storages of the file src/lily_emitter.c. The manipulation results in out-of-bounds read. The attack is only possible with local access. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.

Frequently asked questions

What is CVE-2026-3391?: A security flaw has been discovered in FascinatedBox lily up to 2.3. Impacted is the function clear_storages of the file src/lily_emitter.c. The manipulation results in out-of-bounds read. The attack is only possible with local access. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
How severe is CVE-2026-3391?: CVE-2026-3391 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2026-3391 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-3391?: CVE-2026-3391 affects Lily-lang Lily. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-3391?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-3391 have an EU (EUVD) identifier?: Yes. CVE-2026-3391 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9126.
When was CVE-2026-3391 published?: CVE-2026-3391 was published on 2026-03-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:lily-lang:lily:*:*:*:*:*:*:*:*

More vulnerabilities in Lily-lang Lily

CVE-2026-3392 — Low (CVSS 3.3): A weakness has been identified in FascinatedBox lily up to 2.3. The affected element is the function eval_tree of the…
CVE-2026-3390 — Low (CVSS 3.3): A vulnerability was identified in FascinatedBox lily up to 2.3. This issue affects the function patch_line_end of the…
CVE-2026-2662 — Low (CVSS 3.3): A weakness has been identified in FascinatedBox lily up to 2.3. This vulnerability affects the function…
CVE-2026-2660 — Low (CVSS 3.3): A vulnerability was identified in FascinatedBox lily up to 2.3. Affected by this issue is the function…

All CVEs affecting Lily-lang Lily →

Other CWE-125 (Out-of-bounds Read) vulnerabilities

CVE-2026-24826 — Critical (CVSS 10.0): Out-of-bounds Write, Divide By Zero, NULL Pointer Dereference, Use of Uninitialized Resource, Out-of-bounds Read,…
CVE-2024-22004 — Critical (CVSS 10.0): Due to length check, an attacker with privilege access on a Linux Nonsecure operating system can trigger a…
CVE-2021-41556 — Critical (CVSS 10.0): sqclass.cpp in Squirrel through 2.2.5 and 3.x through 3.1 allows an out-of-bounds read (in the core interpreter) that…
CVE-2021-21777 — Critical (CVSS 10.0): An information disclosure vulnerability exists in the Ethernet/IP UDP handler functionality of EIP Stack Group OpENer…
CVE-2017-14451 — Critical (CVSS 10.0): An exploitable out-of-bounds read vulnerability exists in libevm (Ethereum Virtual Machine) of CPP-Ethereum. A…
CVE-2013-0767 — Critical (CVSS 10.0): The nsSVGPathElement::GetPathLengthScale function in Mozilla Firefox before 18.0, Firefox ESR 10.x before 10.0.12 and…

Browse all CWE-125 (Out-of-bounds Read) vulnerabilities →