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Description

A weakness has been identified in FascinatedBox lily up to 2.3. This vulnerability affects the function count_transforms of the file src/lily_emitter.c. This manipulation causes out-of-bounds read. The attack can only be executed locally. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.

PUBLISHED Reserved 2026-02-18 | Published 2026-02-18 | Updated 2026-02-23 | Assigner VulDB




MEDIUM: 4.8CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
LOW: 3.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
LOW: 3.3CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
1.7AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR

Problem types

Out-of-Bounds Read

Memory Corruption

Product status

2.0
affected

2.1
affected

2.2
affected

2.3
affected

Timeline

2026-02-18:Advisory disclosed
2026-02-18:VulDB entry created
2026-02-21:VulDB entry last update

Credits

Oneafter (VulDB User) reporter

References

vuldb.com/?id.346460 (VDB-346460 | FascinatedBox lily lily_emitter.c count_transforms out-of-bounds) vdb-entry technical-description

vuldb.com/?ctiid.346460 (VDB-346460 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.753166 (Submit #753166 | FascinatedBox lily main branch Heap-based Buffer Overflow) third-party-advisory

github.com/FascinatedBox/lily/issues/381 issue-tracking

github.com/oneafter/0122/blob/main/i381/repro.lily exploit

github.com/FascinatedBox/lily/ product

cve.org (CVE-2026-2662)

nvd.nist.gov (CVE-2026-2662)

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