CVE-2021-26635
CVE-2021-26635 is a high-severity vulnerability in Bandisoft Ark Library with a CVSS 3.x base score of 7.8. 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-843.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- CVSS v2: 6.8
- EPSS exploit prediction: 1% (62nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-843
- Affected product: Bandisoft Ark Library
- Published:
- Last modified:
Description
In the code that verifies the file size in the ark library, it is possible to manipulate the offset read from the target file due to the wrong use of the data type. An attacker could use this vulnerability to cause a stack buffer overflow and as a result, perform an attack such as remote code execution.
Frequently asked questions
- What is CVE-2021-26635?
- In the code that verifies the file size in the ark library, it is possible to manipulate the offset read from the target file due to the wrong use of the data type. An attacker could use this vulnerability to cause a stack buffer overflow and as a result, perform an attack such as remote code execution.
- How severe is CVE-2021-26635?
- CVE-2021-26635 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-26635 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-26635?
- CVE-2021-26635 affects Bandisoft Ark Library. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-26635?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2021-26635 published?
- CVE-2021-26635 was published on 2022-06-02 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:bandisoft:ark_library:*:*:*:*:*:*:*:*
More vulnerabilities in Bandisoft Ark Library
- CVE-2021-26603 — High (CVSS 8.6): A heap overflow issue was found in ARK library of bandisoft Co., Ltd when the Ark_DigPathA function parsed a file path.…
- CVE-2021-26615 — High (CVSS 7.8): ARK library allows attackers to execute remote code via the parameter(path value) of Ark_NormalizeAndDupPAthNameW…
All CVEs affecting Bandisoft Ark Library →
Other CWE-843 vulnerabilities
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- CVE-2023-22579 — Critical (CVSS 9.9): Due to improper parameter filtering in the sequalize js library, can a attacker peform injection.
- CVE-2026-13776 — Critical (CVSS 9.8): Type Confusion in Dawn in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the…
- CVE-2026-43038 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: ipv6: icmp: clear skb2->cb[] in…
- CVE-2025-70023 — Critical (CVSS 9.8): An issue pertaining to CWE-843: Access of Resource Using Incompatible Type was discovered in transloadit uppy v0.25.6.