Crash via out-of-bounds heap write
Published Sep 19, 2022 · Updated May 29, 2025
Heap buffer overflow in OTFCC at commit 617837b allows remote attackers to crash otfccdump via a crafted font file. At otfccdump+0x6e420d, processing the supplied font writes beyond a heap buffer; the affected parser function and field are undisclosed. Exploitation requires user interaction to process attacker-supplied font input, and the documented consequence is a crash without data disclosure or modification.
Summary
What happened
Heap buffer overflow in OTFCC at commit 617837b allows remote attackers to crash otfccdump via a crafted font file. At otfccdump+0x6e420d, processing the supplied font writes beyond a heap buffer; the affected parser function and field are undisclosed. Exploitation requires user interaction to process attacker-supplied font input, and the documented consequence is a crash without data disclosure or modification.
The record
- CVE
- CVE-2022-35068
- Published
- Sep 19, 2022
- Updated
- May 29, 2025
- Vendor
- Unknown vendor
- Product
- Unknown product
- Classifications
- CWE-787, T1204.002
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Sep 19, 2022CVE publishedPublication date reported by the CVE source.
- May 29, 2025Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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What is affected?
Affected products and versions are unavailable in this record.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Public exploit references
- Cvjark OTFCC crash proof of conceptproof of concept · unverified
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Technologies
Your stack
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Your stack
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