Improper Handling of Highly Compressed Data (Data Amplification) Affecting libcpp-httplib0_22 package, versions <0.22.0-160000.5.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.41% (34th percentile)

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  • Snyk IDSNYK-SLES1600-LIBCPPHTTPLIB022-16742730
  • published18 May 2026
  • disclosed8 May 2026

Introduced: 8 May 2026

CVE-2026-22776  (opens in a new tab)
CWE-409  (opens in a new tab)

How to fix?

Upgrade SLES:16.0.0 libcpp-httplib0_22 to version 0.22.0-160000.5.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libcpp-httplib0_22 package and not the libcpp-httplib0_22 package as distributed by SLES. See How to fix? for SLES:16.0.0 relevant fixed versions and status.

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to version 0.30.1, a Denial of Service (DoS) vulnerability exists in cpp-httplib due to the unsafe handling of compressed HTTP request bodies (Content-Encoding: gzip, br, etc.). 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.

CVSS Base Scores

version 3.1