Libmobi
CVE-2022-29788
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A10:2025 - Mishandling of Exceptional Conditions
ASVS 5.0
V16 - Security Logging and Error Handling Null pointer safety, defensive checks
MITRE ATT&CK
1 technique across 1 tactic: Impact The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 6.5 (MEDIUM). Attack characteristics: network attack vector, low complexity, no privileges required, user interaction required. |
| Exploit ScenarioDerived | A remote attacker could crash the application by dereferencing a null pointer by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability. |
Get an e-mail when this CVE is exploited, patched or re-scored. Free account.
Alert meAnalysisAI
libmobi before v0.10 contains a NULL pointer dereference via the component mobi_buffer_getpointer. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Check pointers before dereferencing. Use static analysis tools to detect null pointer paths.
Affects your stack
Find out whether the stacks and servers you run are on an affected version.
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as NULL Pointer Dereference (CWE-476), which allows attackers to crash the application by dereferencing a null pointer. libmobi before v0.10 contains a NULL pointer dereference via the component mobi_buffer_getpointer. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted mobi file. Affected products include: Libmobi Project Libmobi.
Know when Libmobi gets its next vulnerability
- Watch products and get an email when something new is published
- Check this CVE against your own stack and servers
- Exploit and PoC references, threat intelligence from 22 sources
No credit card · 7-day full trial
Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
libmobi before v0.10 contains a NULL pointer dereference via the component mobi_buffer_getpointer. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted mobi file.
Threat Intelligence Overview
NVD
CVE.org
EPSS
GitHub
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
A null pointer dereference occurs when a program attempts to access memory through a pointer that has been set to NULL (address 0x0).
Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.
Affected Products (CPE)NVD
libmobi is vulnerable to Out-of-bounds Read. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploita
libmobi is vulnerable to Out-of-bounds Write. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploit
The mobi_decompress_lz77 function in compression.c in Libmobi 0.3 allows remote attackers to cause remote code execution
Buffer Over-read in GitHub repository bfabiszewski/libmobi prior to 0.11. Rated high severity (CVSS 8.1), this vulnerabi
Buffer Over-read in GitHub repository bfabiszewski/libmobi prior to 0.11. Rated high severity (CVSS 8.1), this vulnerabi
Buffer Over-read in GitHub repository bfabiszewski/libmobi prior to 0.11. Rated high severity (CVSS 8.1), this vulnerabi
libmobi is vulnerable to Use of Out-of-range Pointer Offset. Rated high severity (CVSS 8.1), this vulnerability is remot
libmobi is vulnerable to Use of Out-of-range Pointer Offset. Rated high severity (CVSS 8.1), this vulnerability is remot
Buffer Over-read in GitHub repository bfabiszewski/libmobi prior to 0.11. Rated high severity (CVSS 7.8), this vulnerabi
Buffer Over-read at parse_rawml.c:1416 in GitHub repository bfabiszewski/libmobi prior to 0.11. Rated high severity (CVS
The mobi_reconstruct_parts function in parse_rawml.c in Libmobi 0.3 allows remote attackers to cause information disclos
The buffer_addraw function in buffer.c in Libmobi 0.3 allows remote attackers to cause information disclosure (heap-base
Exploit-DB