Fluid Attacks Database

Description

Despite HTTP headers having a default limit of 1MB, the number of cookies that can be parsed does not have a limit. By sending a lot of very small cookies such as "a=;", an attacker can make an HTTP server allocate a large amount of structs, causing large memory consumption.

Mitigation

Update Impact

Minimal update. May introduce new vulnerabilities or breaking changes.

Ecosystem	Package	Affected version	Patched versions
debian 13	golang-1.24	=1.24.12-1 \|\| =1.24.13-1 \|\| =1.24.13-2 \|\| =1.24.4-1 \|\| =1.24.4-2 \|\| =1.24.4-3 \|\| =1.24.4-4 \|\| =1.24.7-1 \|\| =1.24.8-1 \|\| =1.24.9-1	-
debian 11	golang-1.15	=1.15.15-1 \|\| =1.15.15-1~deb11u1 \|\| =1.15.15-1~deb11u2 \|\| =1.15.15-1~deb11u3 \|\| =1.15.15-1~deb11u4 \|\| =1.15.15-2 \|\| =1.15.15-3 \|\| =1.15.15-4 \|\| =1.15.15-5 \|\| =1.15.9-6	-
debian 12	golang-1.19	=1.19.10-1 \|\| =1.19.10-2 \|\| =1.19.11-1 \|\| =1.19.12-1 \|\| =1.19.12-2 \|\| =1.19.12-2~bpo11+1 \|\| =1.19.12-2~bpo12+1 \|\| =1.19.13-1 \|\| =1.19.13-1~bpo11+1 \|\| =1.19.13-1~bpo12+1 \|\| =1.19.8-2 \|\| =1.19.9-1	-
debian 14	golang-1.25	=1.25.0-1 \|\| =1.25.0-2 \|\| =1.25.1-1 \|\| >=0 <1.25.2-1	1.25.2-1
go	stdlib	>=0 <1.24.8	1.24.8

Aliases

1. CVE-2025-581862. NVD-2025-581863. OSV-DEBIAN-2025-581864. OSV-2025-581865. OSV-GO-2025-40126. GCVE-2025-581867. SECURITY-TRACKER-CVE-2025-58186

References

1. https://go.dev/issue/756722. https://go.dev/cl/7098553. https://groups.google.com/g/golang-announce/c/4Emdl2iQ_bI

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