What’s Vulnerable › Vulnerabilities
CVE-2021-26927
- Severity: medium (CVSS 5.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 1.1% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2021-02-23 · updated 2026-06-17
- Weakness: CWE-476
Description
A flaw was found in jasper before 2.0.25. A null pointer dereference in jp2_decode in jp2_dec.c may lead to program crash and denial of service.
Affected products
- Fedoraproject Fedora: 32, 33, 34
- jasper: before 2.0.25 — fixed in 2.0.25
How to fix
Upgrade to a fixed version: jasper 2.0.25. Check the vendor advisory for mitigations.
References
- https://github.com/jasper-software/jasper/commit/41f214b121b837fa30d9ca5f2430212110f5cd9b
- https://github.com/jasper-software/jasper/issues/265
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JSXESYUHMO522Z3RHXOQ2SJNWP3XTO67/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JYVCFVTVPL66OS7LCNLUSYCMYQAVWXMM/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YRZFZSJ4UVLLMXSKHR455TAC2SD3TOHI/
- https://github.com/jasper-software/jasper/commit/41f214b121b837fa30d9ca5f2430212110f5cd9b
- https://github.com/jasper-software/jasper/issues/265
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JSXESYUHMO522Z3RHXOQ2SJNWP3XTO67/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JYVCFVTVPL66OS7LCNLUSYCMYQAVWXMM/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YRZFZSJ4UVLLMXSKHR455TAC2SD3TOHI/
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