SB2026011232 - Remote denial of service in cpp-httplib
Published: January 12, 2026
Security Bulletin ID
SB2026011232
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Resource exhaustion (CVE-ID: CVE-2026-22776)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources when handling compressed HTTP request body. The library validates the payload_max_length against the compressed data size received from the network, but does not limit the size of the decompressed data stored in memory. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.