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vulnerabilityCVE-2023-23916
Name
CVE-2023-23916
Source
NVD ( link)Debian ( link)
Description
An allocation of resources without limits or throttling vulnerability exists in curl <v7.88.0 based on the "chained" HTTP compression algorithms, meaning that a server response can be compressed multiple times and potentially with differentalgorithms. The number of acceptable "links" in this "decompression chain" wascapped, but the cap was implemented on a per-header basis allowing a maliciousserver to insert a virtually unlimited number of compression steps simply byusing many headers. The use of such a decompression chain could result in a "malloc bomb", making curl end up spending enormous amounts of allocated heap memory, or trying to and returning out of memory errors.
Published Date
Updated Date
Workaround
-

Analysis#


Affected Component
Analysis
curl
Patched

Vulnerability Ratings#


6.5
CVSSv31
6.5
CVSSv31
NaN
other

Others affected components#


Name
Project
Project Version
Version
Status
buildroot
2025.02.x
8.20.0
Not Affected
buildroot
master
8.21.0
Not Affected
openwrt
master
8.19.0-r2
Not Affected
openwrt
master
8.20.0-r1
Not Affected
openwrt
openwrt-25.12
8.19.0-r2
Not Affected
openwrt
openwrt-25.12
8.14.1-r1
Not Affected
yocto
master
8.20.0
Not Affected
yocto
scarthgap
8.7.1
Not Affected

Resolved with patches#


curl (yocto:kirkstone)

#
Title
Author
Resolve
1
content_encoding: do not reset stage counter for each header
Patrick Monnerat <patrick@monnerat.net>
CVE-2023-23916