CVE-2026-32280
Published: April 9, 2026Last modified: April 11, 2026
Description
During chain building, the amount of work that is done is not correctly limited when a large number of intermediate certificates are passed in VerifyOptions.Intermediates, which can lead to a denial of service. This affects both direct users of crypto/x509 and users of crypto/tls.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.5 |
| Attack Vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | go | Fixed (1.25.9-r0) |
| 25 LTS | go | Fixed (1.25.9-r0) | |
| Stream | go | Fixed (1.26.2-r0) | |
| Hardened Containers | 23 LTS | go | Fixed (1.25.9-r0) |
| 25 LTS | go | Fixed (1.25.9-r0) | |
| Stream | go | Fixed (1.26.2-r0) |
References
- https://access.redhat.com/errata/RHSA-2026:10217
- https://access.redhat.com/errata/RHSA-2026:10219
- https://access.redhat.com/errata/RHSA-2026:10704
- https://access.redhat.com/errata/RHSA-2026:11507
- https://access.redhat.com/errata/RHSA-2026:11514
- https://access.redhat.com/errata/RHSA-2026:11688
- https://access.redhat.com/errata/RHSA-2026:13545
- https://access.redhat.com/errata/RHSA-2026:13791
- https://access.redhat.com/errata/RHSA-2026:13826
- https://access.redhat.com/errata/RHSA-2026:13829
- https://access.redhat.com/errata/RHSA-2026:14020
- https://access.redhat.com/errata/RHSA-2026:14162
- https://access.redhat.com/errata/RHSA-2026:14200
- https://access.redhat.com/errata/RHSA-2026:14391
- https://access.redhat.com/errata/RHSA-2026:15980
- https://access.redhat.com/errata/RHSA-2026:16021
- https://access.redhat.com/errata/RHSA-2026:16024
- https://access.redhat.com/errata/RHSA-2026:16101
- https://access.redhat.com/errata/RHSA-2026:16476
- https://access.redhat.com/errata/RHSA-2026:16477
- https://access.redhat.com/errata/RHSA-2026:16505
- https://access.redhat.com/errata/RHSA-2026:16508
- https://access.redhat.com/errata/RHSA-2026:16532
- https://access.redhat.com/errata/RHSA-2026:16534
- https://access.redhat.com/errata/RHSA-2026:16535
- https://access.redhat.com/errata/RHSA-2026:16537
- https://access.redhat.com/errata/RHSA-2026:16542
- https://access.redhat.com/errata/RHSA-2026:16874
- https://access.redhat.com/errata/RHSA-2026:16875
- https://access.redhat.com/errata/RHSA-2026:17084
- https://access.redhat.com/errata/RHSA-2026:17287
- https://access.redhat.com/errata/RHSA-2026:18027
- https://access.redhat.com/errata/RHSA-2026:18032
- https://access.redhat.com/errata/RHSA-2026:19133
- https://access.redhat.com/errata/RHSA-2026:19135
- https://access.redhat.com/errata/RHSA-2026:19144
- https://access.redhat.com/errata/RHSA-2026:19350
- https://access.redhat.com/errata/RHSA-2026:19353
- https://access.redhat.com/errata/RHSA-2026:19375
- https://access.redhat.com/errata/RHSA-2026:19450
- https://access.redhat.com/errata/RHSA-2026:19550
- https://access.redhat.com/errata/RHSA-2026:19634
- https://access.redhat.com/errata/RHSA-2026:19714
- https://access.redhat.com/errata/RHSA-2026:19715
- https://access.redhat.com/errata/RHSA-2026:19719
- https://access.redhat.com/errata/RHSA-2026:19720
- https://access.redhat.com/errata/RHSA-2026:19721
- https://access.redhat.com/errata/RHSA-2026:19722
- https://access.redhat.com/errata/RHSA-2026:19750
- https://access.redhat.com/errata/RHSA-2026:19839
- https://access.redhat.com/errata/RHSA-2026:20556
- https://access.redhat.com/errata/RHSA-2026:20569
- https://access.redhat.com/errata/RHSA-2026:20570
- https://access.redhat.com/errata/RHSA-2026:20571
- https://access.redhat.com/errata/RHSA-2026:20607
- https://access.redhat.com/errata/RHSA-2026:20608
- https://access.redhat.com/errata/RHSA-2026:20609
- https://access.redhat.com/errata/RHSA-2026:20889
- https://access.redhat.com/errata/RHSA-2026:21017
- https://access.redhat.com/errata/RHSA-2026:21338
- https://access.redhat.com/errata/RHSA-2026:21655
- https://access.redhat.com/errata/RHSA-2026:21769
- https://access.redhat.com/errata/RHSA-2026:21772
- https://access.redhat.com/errata/RHSA-2026:22130
- https://access.redhat.com/errata/RHSA-2026:22141
- https://access.redhat.com/errata/RHSA-2026:22258
- https://access.redhat.com/errata/RHSA-2026:22260
- https://access.redhat.com/errata/RHSA-2026:22268
- https://access.redhat.com/errata/RHSA-2026:22309
- https://access.redhat.com/errata/RHSA-2026:22347
- https://access.redhat.com/errata/RHSA-2026:22415
- https://access.redhat.com/errata/RHSA-2026:22422
- https://access.redhat.com/errata/RHSA-2026:22465
- https://access.redhat.com/errata/RHSA-2026:22485
- https://access.redhat.com/errata/RHSA-2026:22709
- https://access.redhat.com/errata/RHSA-2026:22713
- https://access.redhat.com/errata/RHSA-2026:22840
- https://access.redhat.com/errata/RHSA-2026:22862
- https://access.redhat.com/errata/RHSA-2026:22958
- https://access.redhat.com/errata/RHSA-2026:22959
- https://access.redhat.com/errata/RHSA-2026:22960
- https://access.redhat.com/errata/RHSA-2026:22961
- https://access.redhat.com/errata/RHSA-2026:22962
- https://access.redhat.com/errata/RHSA-2026:23102
- https://access.redhat.com/errata/RHSA-2026:23103
- https://access.redhat.com/errata/RHSA-2026:23244
- https://access.redhat.com/errata/RHSA-2026:23345
- https://access.redhat.com/errata/RHSA-2026:23361
- https://access.redhat.com/errata/RHSA-2026:24337
- https://access.redhat.com/errata/RHSA-2026:24359
- https://access.redhat.com/errata/RHSA-2026:24470
- https://access.redhat.com/errata/RHSA-2026:24478
- https://access.redhat.com/errata/RHSA-2026:24716
- https://access.redhat.com/errata/RHSA-2026:24761
- https://access.redhat.com/errata/RHSA-2026:24762
- https://access.redhat.com/errata/RHSA-2026:24853
- https://access.redhat.com/errata/RHSA-2026:24977
- https://access.redhat.com/errata/RHSA-2026:25089
- https://access.redhat.com/errata/RHSA-2026:25127
- https://access.redhat.com/errata/RHSA-2026:25180
- https://access.redhat.com/errata/RHSA-2026:26447
- https://access.redhat.com/errata/RHSA-2026:26568
- https://access.redhat.com/errata/RHSA-2026:26571
- https://access.redhat.com/errata/RHSA-2026:26585
- https://access.redhat.com/errata/RHSA-2026:26636
- https://access.redhat.com/errata/RHSA-2026:27076
- https://access.redhat.com/errata/RHSA-2026:28038
- https://access.redhat.com/errata/RHSA-2026:28047
- https://access.redhat.com/errata/RHSA-2026:28074
- https://access.redhat.com/errata/RHSA-2026:28196
- https://access.redhat.com/errata/RHSA-2026:28198
- https://access.redhat.com/errata/RHSA-2026:28441
- https://access.redhat.com/errata/RHSA-2026:29035
- https://access.redhat.com/errata/RHSA-2026:29195
- https://access.redhat.com/errata/RHSA-2026:29455
- https://access.redhat.com/errata/RHSA-2026:29702
- https://access.redhat.com/errata/RHSA-2026:29703
- https://access.redhat.com/errata/RHSA-2026:29854
- https://access.redhat.com/errata/RHSA-2026:33722
- https://access.redhat.com/errata/RHSA-2026:9385
- https://access.redhat.com/security/cve/CVE-2026-32280
- https://bugzilla.redhat.com/show_bug.cgi?id=2456339
- https://go.dev/cl/758320
- https://go.dev/issue/78282
- https://groups.google.com/g/golang-announce/c/0uYbvbPZRWU
- https://pkg.go.dev/vuln/GO-2026-4947
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-32280.json