CVE-2026-4010
CVE-2026-4010 is a low-severity vulnerability 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-119.
Key facts
- Severity: Low (CVSS 3.x base score 3.3)
- CVSS v2: 1.7
- CVSS v4: 1.9
- EPSS exploit prediction: 0% (2nd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-11544
- Weakness: CWE-119
- Published:
- Last modified:
Description
A vulnerability was found in ThakeeNathees pocketlang up to cc73ca61b113d48ee130d837a7a8b145e41de5ce. The affected element is the function pkByteBufferAddString. The manipulation of the argument length with the input 4294967290 results in memory corruption. The attack requires a local approach. The exploit has been made public and could be used. This product does not use versioning. This is why information about affected and unaffected releases are unavailable. The project was informed of the problem early through an issue report but has not responded yet.
Frequently asked questions
- What is CVE-2026-4010?
- A vulnerability was found in ThakeeNathees pocketlang up to cc73ca61b113d48ee130d837a7a8b145e41de5ce. The affected element is the function pkByteBufferAddString. The manipulation of the argument length with the input 4294967290 results in memory corruption. The attack requires a local approach. The exploit has been made public and could be used. This product does not use versioning. This is why information about affected and unaffected releases are unavailable. The project was informed of the problem early through an issue report but has not responded yet.
- How severe is CVE-2026-4010?
- CVE-2026-4010 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-2026-4010 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2026-4010?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-4010 have an EU (EUVD) identifier?
- Yes. CVE-2026-4010 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-11544.
- When was CVE-2026-4010 published?
- CVE-2026-4010 was published on 2026-03-12 and last updated on 2026-06-17.
References
- https://github.com/ThakeeNathees/pocketlang/
- https://github.com/ThakeeNathees/pocketlang/issues/302
- https://github.com/oneafter/0211/blob/main/po/repro
- https://vuldb.com/?ctiid.350533
- https://vuldb.com/?id.350533
- https://vuldb.com/?submit.769773
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