libsql-sqlite3-parser crash due to invalid UTF-8 input

published 2025-05-09 18 mo ago modified 2026-06-17 4 mo ago also GHSA-8m95-fffc-h4c5 , EUVD-2025-14089

cvss: 2.9; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 17%
public exploits: 0; none known

dialect/mod.rs in the libsql-sqlite3-parser crate through 0.13.0 before 14f422a for Rust can crash if the input is not valid UTF-8.

Patch / fix

links 1

github.com/gwenn/lemon-rs#8 pull request

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 18 mo ago (2025-05-09)

Exploit prediction

0.26% chance of exploitation in the next 30 days, higher than 17% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/gwenn/lemon-rs/issues/86 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	3.1	2.9	CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
GitHub	3.1	2.9	CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

Affected packages

ecosystem	package	affected	fixed in
crates.io	libsql-sqlite3-parser	<=0.13.0	no fix listed

Affected products

gwenn libsql-sqlite3-parser

Classification

Weakness

CWE-228 Improper Handling of Syntactically Invalid Structure

References

github.com /gwenn/lemon-rs/pull/8
web
github.com /gwenn/lemon-rs/issues/86
exploit, web
github.com /tursodatabase/libsql/issues/2052
web
crates.io /crates/libsql-sqlite3-parser
web
nvd.nist.gov /vuln/detail/CVE-2025-47736
advisory

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary