Unrated severityNVD Advisory· Published Jul 23, 2025· Updated Jul 23, 2025
LibHTP's memory leak with lzma can lead to resource starvation
CVE-2025-53537
Description
LibHTP is a security-aware parser for the HTTP protocol and its related bits and pieces. In versions 0.5.50 and below, there is a traffic-induced memory leak that can starve the process of memory, leading to loss of visibility. To workaround this issue, set suricata.yaml app-layer.protocols.http.libhtp.default-config.lzma-enabled to false. This issue is fixed in version 0.5.51.
Affected products
2- OISF/libhtpv5Range: < 0.5.51
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
2- github.com/OISF/libhtp/commit/9037ea35110a0d97be5cedf8d31fb4cd9a38c7a7mitrex_refsource_MISC
- github.com/OISF/libhtp/security/advisories/GHSA-v3qq-h8mh-vph7mitrex_refsource_CONFIRM
News mentions
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