Improper input validation in jasper
Priority LOW 37CWE-20Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Partial Red Hat: 2 fixed, 3 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.
Summary
There's a flaw in jasper's jpc encoder in versions prior to 2.0.23. Crafted input provided to jasper by an attacker could cause an arbitrary out-of-bounds write. This could potentially affect data confidentiality, integrity, or application availability.
Why it matters now
EPSS 0.01388 72nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial jasper: 2.0.23Red Hat: 1 advisoryRed Hat: 2 fixed, 3 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | jasper | before 2.0.23 | 2.0.23 | Patch available | CNA |
- jasper Vendor— Affected before 2.0.23 Fixed in 2.0.23 Patch available CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:jasper_project:jasper:*:*:*:*:*:*:*:* | before 2.0.23 | Vulnerable | The Jasper Project |
| cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* | 32 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* | 33 | Vulnerable | Fedoraproject |
- cpe:2.3:a:jasper_project:jasper:*:*:*:*:*:*:*:* Versions before 2.0.23 Vulnerable ·The Jasper Project
- cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* Versions 32 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* Versions 33 Vulnerable ·Fedoraproject
Remediation
- Fix · CNA jasper Fixed in 2.0.23
Red Hat 1 advisory
- RHSA-2021:4235 Released 2021-11-09 · Red Hat rating Moderatejasper security update
- Red Hat CodeReady Linux Builder (v. 8) jasper-devel-2.0.14-5.el8
- Red Hat Enterprise Linux AppStream (v. 8) jasper-2.0.14-5.el8, jasper-libs-2.0.14-5.el8
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 5 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Out of support scope |
| Red Hat CodeReady Linux Builder (v. 8) | Fixed | RHSA-2021:4235 |
| Red Hat Enterprise Linux AppStream (v. 8) | Fixed | RHSA-2021:4235 |
Not affected: 1 product
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2020-27828
- 2026-10-03 Alias added: GHSA-x4rf-6444-7fh8
References
Sources
- CVE-2020-27828 · CVE Program
- CVE-2020-27828 · NVD
- FIRST EPSS
- GHSA-x4rf-6444-7fh8 · GitHub Advisory Database · CC BY 4.0
- CVE-2020-27828 · Red Hat security data · CC BY 4.0
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