CVE-2026-2858
- Source
- https://cve.org/CVERecord?id=CVE-2026-2858
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-2858.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2026-2858
- Published
- 2026-02-20T21:32:08.945Z
- Modified
- 2026-07-15T01:49:14.728660901Z
- Severity
-
- 1.9 (Low) CVSS_V4 - CVSS: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 CVSS Calculator
- Summary
- wren-lang wren Source File wren_compiler.c peekChar out-of-bounds
- Details
-
A vulnerability was identified in wren-lang wren up to 0.4.0. This affects the function peekChar of the file src/vm/wren_compiler.c of the component Source File Parser. Such manipulation leads to out-of-bounds read. The attack needs to be performed locally. The exploit is publicly available and might be used. The project was informed of the problem early through an issue report but has not responded yet.
- Database specific
{ "cwe_ids": [ "CWE-119", "CWE-125" ], "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/2xxx/CVE-2026-2858.json", "cna_assigner": "VulDB" }- References
-
- https://github.com/wren-lang/wren/
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/2xxx/CVE-2026-2858.json
- https://nvd.nist.gov/vuln/detail/CVE-2026-2858
- https://vuldb.com/?id.347097
- https://vuldb.com/?submit.754489
- https://github.com/wren-lang/wren/issues/1217
- https://vuldb.com/?ctiid.347097
- https://github.com/oneafter/0122/blob/main/i1217/repro
Affected packages
Git / github.com/wren-lang/wren
Affected ranges
- Type
- GIT
- Repo
- https://github.com/wren-lang/wren
- Events
-
IntroducedLast affected
- Database specific
{ "cpe": "cpe:2.3:a:wren:wren:*:*:*:*:*:*:*:*", "extracted_events": [ { "introduced": "0.1" }, { "last_affected": "0.1" }, { "introduced": "0.2" }, { "last_affected": "0.2" }, { "introduced": "0.3" }, { "last_affected": "0.3" }, { "introduced": "0.4.0" }, { "last_affected": "0.4.0" }, { "introduced": "0" } ], "source": [ "AFFECTED_FIELD", "CPE_RANGE" ] }