Heap-based buffer overflow in fribidi
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 2 fixed, 1 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-122 and the CVSS impact.
Summary
A heap-based buffer overflow flaw was found in the Fribidi package and affects the fribidi_cap_rtl_to_unicode() function of the fribidi-char-sets-cap-rtl.c file. This flaw allows an attacker to pass a specially crafted file to the Fribidi application with the '--caprtl' option, leading to a crash and causing a denial of service.
Why it matters now
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 |
|---|---|---|---|---|---|
| — | fribidi | Fixed in v1.0.12 | — | No fix listed | CNA |
- fribidi Vendor— Affected Fixed in v1.0.12 Fixed in — No fix listed CNA
Remediation
Red Hat 2 advisories
- RHSA-2022:8011 Released 2022-11-15 · Red Hat rating Moderatefribidi security update
- Red Hat Enterprise Linux AppStream (v. 9) fribidi-1.0.10-6.el9.2, fribidi-devel-1.0.10-6.el9.2
- RHSA-2022:7514 Released 2022-11-08 · Red Hat rating Moderatefribidi security update
- Red Hat Enterprise Linux AppStream (v. 8) fribidi-1.0.4-9.el8, fribidi-devel-1.0.4-9.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 7 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux AppStream (v. 8) | Fixed | RHSA-2022:7514 |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2022:8011 |
Timeline
- 2026-10-02 Threatist record created from CVE-2022-25309
- 2026-10-03 Alias added: GHSA-4fjx-j6jj-8pm5
References
Sources
- CVE-2022-25309 · CVE Program
- CVE-2022-25309 · NVD
- FIRST EPSS
- GHSA-4fjx-j6jj-8pm5 · GitHub Advisory Database · CC BY 4.0
- CVE-2022-25309 · Red Hat security data · CC BY 4.0
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