The mobi_get_kf8boundary_seqnumber function in util.c in Libmobi 0.3 allows remote…
Priority LOW 32CWE-125Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-125 and the CVSS impact.
Summary
The mobi_get_kf8boundary_seqnumber function in util.c in Libmobi 0.3 allows remote attackers to cause information disclosure (heap-based buffer over-read) via a crafted mobi file.
Why it matters now
EPSS 0.01412 72nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:libmobi_project:libmobi:0.3:*:*:*:*:*:*:* | 0.3 | Vulnerable | bfabiszewski |
- cpe:2.3:a:libmobi_project:libmobi:0.3:*:*:*:*:*:*:* Versions 0.3 Vulnerable ·bfabiszewski
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-11433
- 2026-10-03 Alias added: GHSA-q87g-v44q-g6rr
References
Exploit 1
More bfabiszewski Libmobi vulnerabilities
- TI-2021-02684 Out-of-bounds Write in bfabiszewski/libmobi CVSS 3.1CRITICAL 9.8
- TI-2021-02803 Out-of-bounds Read in bfabiszewski/libmobi CVSS 3.1CRITICAL 9.8
- TI-2018-08389 The mobi_decode_font_resource function in util.c in Libmobi 0.3 allows remote attackers… CVSS 3.0HIGH 8.8
- TI-2018-08164 The mobi_decompress_lz77 function in compression.c in Libmobi 0.3 allows remote attackers… CVSS 3.0HIGH 8.8
- TI-2018-08387 The mobi_pk1_decrypt function in encryption.c in Libmobi 0.3 allows remote attackers to… CVSS 3.0HIGH 8.8
- TI-2021-02806 Use of Out-of-range Pointer Offset in bfabiszewski/libmobi CVSS 3.1HIGH 8.1
Sources
- CVE-2018-11433 · CVE Program
- CVE-2018-11433 · NVD
- FIRST EPSS
- GHSA-q87g-v44q-g6rr · GitHub Advisory Database · CC BY 4.0
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