VYPR
← All advisories
High severity7.5NVD Advisory· Published Mar 16, 2020· Updated Jun 17, 2026

CVE-2019-19945

CVE-2019-19945

Description

uhttpd in OpenWrt through 18.06.5 and 19.x through 19.07.0-rc2 has an integer signedness error. This leads to out-of-bounds access to a heap buffer and a subsequent crash. It can be triggered with an HTTP POST request to a CGI script, specifying both "Transfer-Encoding: chunked" and a large negative Content-Length value.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

6
  • Openwrt/Openwrt4 versions
    cpe:2.3:o:openwrt:openwrt:*:*:*:*:*:*:*:*+ 3 more
    • cpe:2.3:o:openwrt:openwrt:*:*:*:*:*:*:*:*range: >=18.06.0,<=18.06.5
    • cpe:2.3:o:openwrt:openwrt:19.07.0:-:*:*:*:*:*:*
    • cpe:2.3:o:openwrt:openwrt:19.07.0:rc1:*:*:*:*:*:*
    • cpe:2.3:o:openwrt:openwrt:19.07.0:rc2:*:*:*:*:*:*
  • OpenWrt/uhttpddescription
  • Openwrt/Uhttpdllm-fuzzy
    Range: <=18.06.5, <=19.07.0-rc2

Patches

Vulnerability mechanics

References

2

News mentions

0

No linked articles in our index yet.