GO-2026-4986Published
Quadratic string concatentation in consumeComment in net/mail
Explicit identifiers and source references
These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.
CVE-2026-39820 · Microsoft / collected KEV context
cve-program · CVE-2026-39820
- https://go.dev/issue/78566
- https://go.dev/cl/759940
- https://groups.google.com/g/golang-announce/c/qcCIEXso47M
- https://pkg.go.dev/vuln/GO-2026-4986
euvd · EUVD-2026-28423
- https://go.dev/issue/78566
- https://go.dev/cl/759940
- https://groups.google.com/g/golang-announce/c/qcCIEXso47M
- https://pkg.go.dev/vuln/GO-2026-4986
nvd · CVE-2026-39820
- https://go.dev/cl/759940
- https://go.dev/issue/78566
- https://groups.google.com/g/golang-announce/c/qcCIEXso47M
- https://pkg.go.dev/vuln/GO-2026-4986
- https://access.redhat.com/errata/RHSA-2026:22112
- https://access.redhat.com/errata/RHSA-2026:22120
- https://access.redhat.com/errata/RHSA-2026:22121
- https://access.redhat.com/errata/RHSA-2026:23262
- https://access.redhat.com/errata/RHSA-2026:23264
- https://access.redhat.com/errata/RHSA-2026:33120
- https://access.redhat.com/errata/RHSA-2026:33123
- https://access.redhat.com/errata/RHSA-2026:33142
- https://access.redhat.com/errata/RHSA-2026:33150
- https://access.redhat.com/errata/RHSA-2026:33574
- https://access.redhat.com/errata/RHSA-2026:34364
- https://access.redhat.com/errata/RHSA-2026:36319
- https://access.redhat.com/errata/RHSA-2026:36625
- https://access.redhat.com/errata/RHSA-2026:36754
- https://access.redhat.com/errata/RHSA-2026:36797
- https://access.redhat.com/errata/RHSA-2026:40262
- https://access.redhat.com/errata/RHSA-2026:41031
- https://access.redhat.com/errata/RHSA-2026:41066
- https://access.redhat.com/errata/RHSA-2026:41928
- https://access.redhat.com/errata/RHSA-2026:42146
- https://access.redhat.com/errata/RHSA-2026:42644
- https://access.redhat.com/errata/RHSA-2026:42796
- https://access.redhat.com/errata/RHSA-2026:43038
- https://access.redhat.com/errata/RHSA-2026:43052
- https://access.redhat.com/errata/RHSA-2026:43692
- https://access.redhat.com/errata/RHSA-2026:47952
- https://access.redhat.com/errata/RHSA-2026:49702
- https://access.redhat.com/errata/RHSA-2026:49712
- https://access.redhat.com/errata/RHSA-2026:50205
- https://access.redhat.com/errata/RHSA-2026:50300
- https://access.redhat.com/errata/RHSA-2026:50319
- https://access.redhat.com/errata/RHSA-2026:50336
- https://access.redhat.com/errata/RHSA-2026:50843
- https://access.redhat.com/errata/RHSA-2026:51033
- https://access.redhat.com/errata/RHSA-2026:51112
- https://access.redhat.com/errata/RHSA-2026:54274
- https://access.redhat.com/errata/RHSA-2026:54283
- https://access.redhat.com/errata/RHSA-2026:54284
- https://access.redhat.com/errata/RHSA-2026:54285
- https://access.redhat.com/errata/RHSA-2026:54286
- https://access.redhat.com/errata/RHSA-2026:54287
- https://access.redhat.com/errata/RHSA-2026:54531
- https://access.redhat.com/errata/RHSA-2026:54552
- https://access.redhat.com/errata/RHSA-2026:54555
- https://access.redhat.com/errata/RHSA-2026:54583
- https://access.redhat.com/errata/RHSA-2026:54602
- https://access.redhat.com/errata/RHSA-2026:54883
- https://access.redhat.com/errata/RHSA-2026:56340
- https://access.redhat.com/errata/RHSA-2026:56789
- https://access.redhat.com/errata/RHSA-2026:56852
- https://access.redhat.com/errata/RHSA-2026:56854
- https://access.redhat.com/errata/RHSA-2026:57194
- https://access.redhat.com/errata/RHSA-2026:57401
- https://access.redhat.com/errata/RHSA-2026:57482
- https://access.redhat.com/errata/RHSA-2026:57487
- https://access.redhat.com/errata/RHSA-2026:57649
- https://access.redhat.com/errata/RHSA-2026:57845
- https://access.redhat.com/errata/RHSA-2026:57914
- https://access.redhat.com/errata/RHSA-2026:59467
- https://access.redhat.com/errata/RHSA-2026:59830
- https://access.redhat.com/errata/RHSA-2026:59833
- https://access.redhat.com/errata/RHSA-2026:60018
- https://access.redhat.com/errata/RHSA-2026:60023
- https://access.redhat.com/errata/RHSA-2026:60520
- https://access.redhat.com/errata/RHSA-2026:61253
- https://access.redhat.com/errata/RHSA-2026:62260
- https://access.redhat.com/errata/RHSA-2026:62406
- https://access.redhat.com/errata/RHSA-2026:62407
- https://access.redhat.com/errata/RHSA-2026:62753
- https://access.redhat.com/errata/RHSA-2026:62754
- https://access.redhat.com/errata/RHSA-2026:62803
- https://access.redhat.com/errata/RHSA-2026:63022
- https://access.redhat.com/errata/RHSA-2026:65116
- https://access.redhat.com/errata/RHSA-2026:65117
- https://access.redhat.com/errata/RHSA-2026:65153
- https://access.redhat.com/errata/RHSA-2026:65335
- https://access.redhat.com/errata/RHSA-2026:65336
- https://access.redhat.com/errata/RHSA-2026:65534
- https://access.redhat.com/errata/RHSA-2026:65838
- https://access.redhat.com/errata/RHSA-2026:65886
- https://access.redhat.com/errata/RHSA-2026:65895
- https://access.redhat.com/errata/RHSA-2026:66016
- https://access.redhat.com/errata/RHSA-2026:66022
- https://access.redhat.com/errata/RHSA-2026:66327
- https://access.redhat.com/errata/RHSA-2026:67517
- https://access.redhat.com/errata/RHSA-2026:67974
- https://access.redhat.com/errata/RHSA-2026:67975
- https://access.redhat.com/errata/RHSA-2026:68334
- https://access.redhat.com/errata/RHSA-2026:68504
- https://access.redhat.com/errata/RHSA-2026:68527
- https://access.redhat.com/security/cve/CVE-2026-39820
- https://bugzilla.redhat.com/show_bug.cgi?id=2467820
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-39820.json
osv · GO-2026-4986
Related operational evidence
Explicit CVE identifiers- Well-crafted inputs reaching ParseAddress, ParseAddressList, and ParseDate were able to trigger excessive CPU exhaustion and memory allocations. · Advisory content revised · 1 Nov 2026