CVE-2023-23916
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.
- CVSS 3.1
- 6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - EPSS
- 1.7% chance of exploitation in the next 30 days; higher than 77% of CVEs (scores of 2026-10-25)
- CWE
- CWE-770
- Published
- Modified
- Record from
- the NVD, synced
Affected
- debian:debian_linux
- fedoraproject:fedora
- haxx:curl
- netapp:clustered_data_ontap
- netapp:h300s_firmware
- netapp:h410s_firmware
- netapp:h500s_firmware
- netapp:h700s_firmware
- splunk:universal_forwarder
References
- https://hackerone.com/reports/1826048
- https://lists.debian.org/debian-lts-announce/2023/02/msg00035.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BQKE6TXYDHOTFHLTBZ5X73GTKI7II5KO/
- https://security.gentoo.org/glsa/202310-12
- https://security.netapp.com/advisory/ntap-20230309-0006/