CVE-2021-3889
Use of Out-of-range Pointer Offset in bfabiszewski/libmobi
HIGH
8.1
CVSS Score
Published: October 19, 2021 at 12:30 PM UTC
Updated: June 17, 2026 at 04:05 AM UTC
2 products affected across 2 vendorsLibmobiProject Libmobi
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Severity
HIGH8.1
Exploit prediction
EPSS 1%
Description
libmobi is vulnerable to Use of Out-of-range Pointer Offset
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 0.8
Affected range stops below 0.8, so it looks safe — our inference, not a vendor statement
v < 0.8
Affected range stops below 0.8, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (2)
x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/bfabiszewski/libmobi/commit/bec783e6212439a335ba6e8df7ab8ed610ca9a21x_refsource_CONFIRMExploitPatchThird Party Advisory
Source: [email protected]
https://huntr.dev/bounties/efb3e261-3f7d-4a45-8114-e0ace6b21516CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-823CWE-119
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