CVE & CISA-KEV CatalogNVD
CVE-2026-56852
HIGH7.5
CVSS v3
Description
A norm.Iter can enter an infinite loop when handling input containing invalid UTF-8 bytes.
How to fix
Remediation Available
golang-golang-x-textDebian
Fixed in:0.40.0-1CVE-2026-56852
golang.org/x/textGo
Fixed in:0.39.0GO-2026-5970
buildahRocky
Fixed in:main@srcRHSA-2026:51065
Fixed in:main@aarch64RHSA-2026:49360
Fixed in:main@x86_64RHSA-2026:49360
Fixed in:main@aarch64RHSA-2026:51065
Fixed in:main@srcRHSA-2026:49360
Fixed in:main@x86_64RHSA-2026:51065
buildahRed Hat / RHEL
Fixed in:main@aarch64RHSA-2026:51065
Fixed in:main@srcRHSA-2026:49360
Fixed in:main@aarch64RHSA-2026:49360
Fixed in:main@x86_64RHSA-2026:51065
Fixed in:main@x86_64RHSA-2026:49360
Fixed in:main@srcRHSA-2026:51065
cosignRed Hat / RHEL
Fixed in:main@srcRHSA-2026:54364
Fixed in:main@aarch64RHSA-2026:54364
Fixed in:main@x86_64RHSA-2026:54364
cosignRocky
Fixed in:main@aarch64RHSA-2026:54364
Fixed in:main@x86_64RHSA-2026:54364
Fixed in:main@srcRHSA-2026:54364
hugoRocky
Fixed in:main@x86_64RHSA-2026:54549
Fixed in:main@srcRHSA-2026:54549
Fixed in:main@aarch64RHSA-2026:54549
hugoRed Hat / RHEL
Fixed in:main@x86_64RHSA-2026:54549
Fixed in:main@srcRHSA-2026:54549
Fixed in:main@aarch64RHSA-2026:54549
prometheus3Rocky
Fixed in:13-main@aarch64RHSA-2026:49317
Fixed in:13-main@srcRHSA-2026:49317
Fixed in:13-main@x86_64RHSA-2026:49317
prometheus3Red Hat / RHEL
Fixed in:13-main@srcRHSA-2026:49317
Fixed in:13-main@aarch64RHSA-2026:49317
Fixed in:13-main@x86_64RHSA-2026:49317
registry.redhat.io/cert-manager/cert-managerRed Hat / RHEL
Fixed in:operator-rhel9@sha256:8226f7b24be576cb215a445dc0366e80e4b81b630478390be66c18306116883d_ppc64leRHSA-2026:63135
Fixed in:operator-rhel9@sha256:99237a55d691dc7906e85773a06ad519f3b9e6206aa74c9014aa1136cabc6c78_s390xRHSA-2026:63135
Fixed in:operator-rhel9@sha256:6d393c5b9c5a8654da146d816dac94258d5c085d6e1ac9fd15656ae934ca4b38_amd64RHSA-2026:63135
Fixed in:operator-rhel9@sha256:636dd466ed2874ecc0bc5985dd7c80eb4c4113b4a4989362b616ff7778e19e43_arm64RHSA-2026:63135
registry.redhat.io/cert-manager/cert-managerRocky
Fixed in:operator-rhel9@sha256:636dd466ed2874ecc0bc5985dd7c80eb4c4113b4a4989362b616ff7778e19e43_arm64RHSA-2026:63135
Fixed in:operator-rhel9@sha256:6d393c5b9c5a8654da146d816dac94258d5c085d6e1ac9fd15656ae934ca4b38_amd64RHSA-2026:63135
Fixed in:operator-rhel9@sha256:8226f7b24be576cb215a445dc0366e80e4b81b630478390be66c18306116883d_ppc64leRHSA-2026:63135
Fixed in:operator-rhel9@sha256:99237a55d691dc7906e85773a06ad519f3b9e6206aa74c9014aa1136cabc6c78_s390xRHSA-2026:63135
registry.redhat.io/cert-manager/jetstack-certRocky
Fixed in:manager-rhel9@sha256:4d12a56f417d74bba1bd339f05f4b4cfa2a48fd3e0957c51353a6de3f21f4fa8_amd64RHSA-2026:63138
Fixed in:manager-rhel9@sha256:97c32b60fc77d27a05fe3ef130d9b69554c793d9df70e0b524d88a5d61254482_s390xRHSA-2026:63138
Fixed in:manager-rhel9@sha256:cdb8e7edf0a0438cd8578bedea2e0a4bef66276ac51e20912da5d8ad6d82e266_ppc64leRHSA-2026:63138
Fixed in:manager-rhel9@sha256:afbe54974b9b3bc95455f16baad7e44e629eeb5a4ead75d74b30ac43359937fe_arm64RHSA-2026:63138
registry.redhat.io/cert-manager/jetstack-certRed Hat / RHEL
Fixed in:manager-rhel9@sha256:4d12a56f417d74bba1bd339f05f4b4cfa2a48fd3e0957c51353a6de3f21f4fa8_amd64RHSA-2026:63138
Fixed in:manager-rhel9@sha256:97c32b60fc77d27a05fe3ef130d9b69554c793d9df70e0b524d88a5d61254482_s390xRHSA-2026:63138
Fixed in:manager-rhel9@sha256:afbe54974b9b3bc95455f16baad7e44e629eeb5a4ead75d74b30ac43359937fe_arm64RHSA-2026:63138
Fixed in:manager-rhel9@sha256:cdb8e7edf0a0438cd8578bedea2e0a4bef66276ac51e20912da5d8ad6d82e266_ppc64leRHSA-2026:63138
registry.redhat.io/cert-manager/jetstack-cert-managerRed Hat / RHEL
Fixed in:acmesolver-rhel9@sha256:03d6509e8064ac056a47ca9ab43df0639236f09806cd551f13a0e808f469c0ee_s390xRHSA-2026:63138
Fixed in:acmesolver-rhel9@sha256:71c8d77b5e9ad20eea144b431446f29795a7788a31401ebead4290455cce2b5a_amd64RHSA-2026:63138
Fixed in:acmesolver-rhel9@sha256:f3d617c66947b62a6ff65e68ca48d2ea80d3eb343bcbd245c150fe355d91b534_arm64RHSA-2026:63138
Fixed in:acmesolver-rhel9@sha256:75e764fa7c8af058297efcf6c0b1599cbdb244e15fbe76530429d43b1b168dd2_ppc64leRHSA-2026:63138
registry.redhat.io/cert-manager/jetstack-cert-managerRocky
Fixed in:acmesolver-rhel9@sha256:75e764fa7c8af058297efcf6c0b1599cbdb244e15fbe76530429d43b1b168dd2_ppc64leRHSA-2026:63138
Fixed in:acmesolver-rhel9@sha256:71c8d77b5e9ad20eea144b431446f29795a7788a31401ebead4290455cce2b5a_amd64RHSA-2026:63138
Fixed in:acmesolver-rhel9@sha256:f3d617c66947b62a6ff65e68ca48d2ea80d3eb343bcbd245c150fe355d91b534_arm64RHSA-2026:63138
Fixed in:acmesolver-rhel9@sha256:03d6509e8064ac056a47ca9ab43df0639236f09806cd551f13a0e808f469c0ee_s390xRHSA-2026:63138
registry.redhat.io/cluster-observabilityRed Hat / RHEL
Fixed in:operator/perses-rhel9@sha256:40534afd7af89f72465580eda4d731a9ae47f6b3e126187b0fd4ffa7667bc75e_s390xRHSA-2026:61314
Fixed in:operator/prometheus-rhel9@sha256:ba963271dda3bf3cb1e326a0af07c281c89e0cd1ba04e5d35886a90ee6372dde_arm64RHSA-2026:61314
Fixed in:operator/alertmanager-rhel9@sha256:51e1cee9ccde0bb3b363f59861a97da546215e0c012af6ef533d5e09387cb6ff_amd64RHSA-2026:61314
Fixed in:operator/perses-rhel9@sha256:8e2e7d82bb5ac1456e8cff1260c4bc82bd68a3718a1e5c53e12e8fccb8b4d20c_arm64RHSA-2026:61314
Fixed in:operator/alertmanager-rhel9@sha256:b051bc5cd14f8c6bfcadbca3659c04afd027fdfd8c963296d0da7fbccf8b15b0_ppc64leRHSA-2026:61314
Fixed in:operator/perses-rhel9@sha256:3319c9cc20bd47d7e85925611b16c155607b3131e1a62e599573808d4359c78c_ppc64leRHSA-2026:61314
Fixed in:operator/thanos-rhel9@sha256:79b9a6abbc1d78e4ae55e89c628513b44d31c3ea51f6be7e65564333a32b7cf4_arm64RHSA-2026:61314
Fixed in:operator/thanos-rhel9@sha256:87b54fd69b87f7145e1340ac1e43183ade3c19ac7b8dd240f307c985885b6751_s390xRHSA-2026:61314
registry.redhat.io/cluster-observabilityRocky
Fixed in:operator/perses-rhel9@sha256:3319c9cc20bd47d7e85925611b16c155607b3131e1a62e599573808d4359c78c_ppc64leRHSA-2026:61314
Fixed in:operator/thanos-rhel9@sha256:87b54fd69b87f7145e1340ac1e43183ade3c19ac7b8dd240f307c985885b6751_s390xRHSA-2026:61314
Fixed in:operator/prometheus-rhel9@sha256:9cdc53c7e915995293f06e423335527dfd5a9bf1b9080b1cdfd59b42f4afa3db_s390xRHSA-2026:61314
Fixed in:operator/korrel8r-rhel9@sha256:36d58edd2a61d76d2d84bfb13cfb892ea1d14fc5fb07602c6f4b050a0ec01509_s390xRHSA-2026:61314
Fixed in:operator/alertmanager-rhel9@sha256:51e1cee9ccde0bb3b363f59861a97da546215e0c012af6ef533d5e09387cb6ff_amd64RHSA-2026:61314
Fixed in:operator/perses-rhel9@sha256:97031c73069fbf2fc59ef4afc599233be3ec3fe3cb4238a750eb4dba7d741fbf_amd64RHSA-2026:61314
Fixed in:operator/prometheus-rhel9@sha256:ba963271dda3bf3cb1e326a0af07c281c89e0cd1ba04e5d35886a90ee6372dde_arm64RHSA-2026:61314
Fixed in:operator/thanos-rhel9@sha256:5b53a6cd089aea290f017a6085e5f171bab22fc2143a6d7876ee4d386890370c_amd64RHSA-2026:61314
registry.redhat.io/cluster-observability-operator/cluster-healthRed Hat / RHEL
Fixed in:analyzer-rhel9@sha256:a60c396947cbeffba5016820ef23961370195bfedb9d1b47bd4d6da55a840ac2_arm64RHSA-2026:61314
Fixed in:analyzer-rhel9@sha256:5863e3e8fc305410f3611c5d234f58dadade652429f006cc9477494468d7f75b_amd64RHSA-2026:61314
Fixed in:analyzer-rhel9@sha256:7e883fb088a584f5a7f33e50366d48c974488671da669c340470ddfee114b791_ppc64leRHSA-2026:61314
Fixed in:analyzer-rhel9@sha256:b06af3129f86113372a7a3f0d0722b84910675a6cd7e30d5c87d4c3b7f163e66_s390xRHSA-2026:61314
registry.redhat.io/cluster-observability-operator/cluster-healthRocky
Fixed in:analyzer-rhel9@sha256:a60c396947cbeffba5016820ef23961370195bfedb9d1b47bd4d6da55a840ac2_arm64RHSA-2026:61314
Fixed in:analyzer-rhel9@sha256:5863e3e8fc305410f3611c5d234f58dadade652429f006cc9477494468d7f75b_amd64RHSA-2026:61314
Fixed in:analyzer-rhel9@sha256:b06af3129f86113372a7a3f0d0722b84910675a6cd7e30d5c87d4c3b7f163e66_s390xRHSA-2026:61314
Fixed in:analyzer-rhel9@sha256:7e883fb088a584f5a7f33e50366d48c974488671da669c340470ddfee114b791_ppc64leRHSA-2026:61314
registry.redhat.io/cluster-observability-operator/cluster-observabilityRocky
Fixed in:rhel9-operator@sha256:65522a8b12d1f2b188076b97ec5226b2d8cfcc6d2a589f0d9e54962f13a68f56_ppc64leRHSA-2026:61314
Fixed in:operator-bundle@sha256:af00e7ae2fbc7056a5ce0de131e55a99ec0860099cb5df067c52ed5234da0b6d_amd64RHSA-2026:61314
Fixed in:rhel9-operator@sha256:f63fa627d028c814dfce0d3ef0b06f5044ff193376c22e2fecc50e05fdfab9f1_amd64RHSA-2026:61314
Fixed in:rhel9-operator@sha256:8fa4520a60aee92e2597cd431b103583421962e6754685fdedc0e96917b4bfde_s390xRHSA-2026:61314
Fixed in:rhel9-operator@sha256:1c7533751b55047dd1aa209676359b00dc4cc1471321017d817bb930136e23f4_arm64RHSA-2026:61314
registry.redhat.io/cluster-observability-operator/cluster-observabilityRed Hat / RHEL
Fixed in:rhel9-operator@sha256:65522a8b12d1f2b188076b97ec5226b2d8cfcc6d2a589f0d9e54962f13a68f56_ppc64leRHSA-2026:61314
Fixed in:rhel9-operator@sha256:1c7533751b55047dd1aa209676359b00dc4cc1471321017d817bb930136e23f4_arm64RHSA-2026:61314
Fixed in:rhel9-operator@sha256:f63fa627d028c814dfce0d3ef0b06f5044ff193376c22e2fecc50e05fdfab9f1_amd64RHSA-2026:61314
Fixed in:operator-bundle@sha256:af00e7ae2fbc7056a5ce0de131e55a99ec0860099cb5df067c52ed5234da0b6d_amd64RHSA-2026:61314
Fixed in:rhel9-operator@sha256:8fa4520a60aee92e2597cd431b103583421962e6754685fdedc0e96917b4bfde_s390xRHSA-2026:61314
registry.redhat.io/cluster-observability-operator/dashboards-consoleRed Hat / RHEL
Fixed in:plugin-rhel9@sha256:7f94288c1b8457f679e63724465adcc98b35e1b37b2391cdf29930a47c3ba366_arm64RHSA-2026:61314
Fixed in:plugin-rhel9@sha256:94faef76b872ec938af52f5403d6c76848b463948b7e6fac5b3904ce0ecb0cab_ppc64leRHSA-2026:61314
Fixed in:plugin-rhel9@sha256:e46afc8c13c15d444788b45414a25239b2ac1a7a273a316d8a43165f69022e33_s390xRHSA-2026:61314
Fixed in:plugin-rhel9@sha256:e952b3783e077cc43a718bb9aae12577c43130899a6e0de6a64564ea7198405f_amd64RHSA-2026:61314
registry.redhat.io/cluster-observability-operator/dashboards-consoleRocky
Fixed in:plugin-rhel9@sha256:7f94288c1b8457f679e63724465adcc98b35e1b37b2391cdf29930a47c3ba366_arm64RHSA-2026:61314
Fixed in:plugin-rhel9@sha256:e952b3783e077cc43a718bb9aae12577c43130899a6e0de6a64564ea7198405f_amd64RHSA-2026:61314
Fixed in:plugin-rhel9@sha256:94faef76b872ec938af52f5403d6c76848b463948b7e6fac5b3904ce0ecb0cab_ppc64leRHSA-2026:61314
Fixed in:plugin-rhel9@sha256:e46afc8c13c15d444788b45414a25239b2ac1a7a273a316d8a43165f69022e33_s390xRHSA-2026:61314
registry.redhat.io/cluster-observability-operator/distributed-tracing-consoleRed Hat / RHEL
Fixed in:plugin-rhel9@sha256:4ff7fb8d5f7366fa6d43c160537e95096fdb3708637b778f8b8c38ca755f1469_ppc64leRHSA-2026:61314
Fixed in:plugin-rhel9@sha256:ff11e8a37f2662c356c476e426a6f90f780951fc30645c6fccc32fc5934cc481_amd64RHSA-2026:61314
Fixed in:plugin-rhel9@sha256:b53a0a66d7ee21e4e2694b14fd13957961e6d1643e097ab367dc2c0cbf42075e_arm64RHSA-2026:61314
Fixed in:plugin-rhel9@sha256:3ffc92ed6d256b64a9796886f891a6109ef1ce6926642bc4ce10a25c7b5bbc00_s390xRHSA-2026:61314
registry.redhat.io/cluster-observability-operator/distributed-tracing-consoleRocky
Fixed in:plugin-rhel9@sha256:4ff7fb8d5f7366fa6d43c160537e95096fdb3708637b778f8b8c38ca755f1469_ppc64leRHSA-2026:61314
Fixed in:plugin-rhel9@sha256:b53a0a66d7ee21e4e2694b14fd13957961e6d1643e097ab367dc2c0cbf42075e_arm64RHSA-2026:61314
Fixed in:plugin-rhel9@sha256:ff11e8a37f2662c356c476e426a6f90f780951fc30645c6fccc32fc5934cc481_amd64RHSA-2026:61314
Fixed in:plugin-rhel9@sha256:3ffc92ed6d256b64a9796886f891a6109ef1ce6926642bc4ce10a25c7b5bbc00_s390xRHSA-2026:61314
registry.redhat.io/cluster-observability-operator/distributed-tracing-console-pluginRed Hat / RHEL
Fixed in:pf4-rhel9@sha256:2ab134074d750c76fcea617ac5b286ae2bb14a4a1f5d23d18afae524d60e0576_arm64RHSA-2026:61314
Fixed in:pf6-rhel9@sha256:ceeabd18a61070a03ab9466f156734d273ddc9433b6b1a0afd40f22f78545df1_ppc64leRHSA-2026:61314
Fixed in:pf5-rhel9@sha256:4591e1d37c2307adec5602bf28f30d7b297b2aaf2b89ea48671a25e9635066ce_amd64RHSA-2026:61314
Fixed in:pf6-rhel9@sha256:1cf801a07119fd084d79a9c26b84dbd07ada25cb219423bc121a2c870e0dab0b_arm64RHSA-2026:61314
Fixed in:pf6-rhel9@sha256:ff10f227a1b0930cf1a3c7c204ac44db04ab476acebc0b12159546dbe81f4ce6_amd64RHSA-2026:61314
Fixed in:pf5-rhel9@sha256:0c3825a2153cc886a67d93c7034ab8d8cb1ee6dc7ecb6d7626e27644315ffcc9_s390xRHSA-2026:61314
Fixed in:pf4-rhel9@sha256:04b2a23166e7edb28d543ca28dc9d1ee5436d2d587f7feb37cc55f39adb18169_amd64RHSA-2026:61314
Fixed in:pf4-rhel9@sha256:8ba6ed81afcc3647fee542d3697a2ff321f0af7983464a1b0e16bf8ccf5b7c6a_ppc64leRHSA-2026:61314
registry.redhat.io/cluster-observability-operator/distributed-tracing-console-pluginRocky
Fixed in:pf5-rhel9@sha256:4591e1d37c2307adec5602bf28f30d7b297b2aaf2b89ea48671a25e9635066ce_amd64RHSA-2026:61314
Fixed in:pf5-rhel9@sha256:0c3825a2153cc886a67d93c7034ab8d8cb1ee6dc7ecb6d7626e27644315ffcc9_s390xRHSA-2026:61314
Fixed in:pf6-rhel9@sha256:1cf801a07119fd084d79a9c26b84dbd07ada25cb219423bc121a2c870e0dab0b_arm64RHSA-2026:61314
Fixed in:pf6-rhel9@sha256:ff10f227a1b0930cf1a3c7c204ac44db04ab476acebc0b12159546dbe81f4ce6_amd64RHSA-2026:61314
Fixed in:pf4-rhel9@sha256:41d6a9aee2e7ebd6f5987133f7a1b5c5bb423ebd5a907321ef63d05313c98036_s390xRHSA-2026:61314
Fixed in:pf4-rhel9@sha256:2ab134074d750c76fcea617ac5b286ae2bb14a4a1f5d23d18afae524d60e0576_arm64RHSA-2026:61314
Fixed in:pf6-rhel9@sha256:f5fb9e4438247a775d2bb59856cb35fab46e752f32720eb55468bee896168f84_s390xRHSA-2026:61314
Fixed in:pf4-rhel9@sha256:8ba6ed81afcc3647fee542d3697a2ff321f0af7983464a1b0e16bf8ccf5b7c6a_ppc64leRHSA-2026:61314
registry.redhat.io/cluster-observability-operator/logging-consoleRocky
Fixed in:plugin-rhel9@sha256:2301cb3015114a2d94b7b6d8f6ca743be503a67ca83a4595e86a4026f920821d_s390xRHSA-2026:61314
Fixed in:plugin-rhel9@sha256:88ad68ca1e9b3be4a0c110d4d96b8addd4b3f443081da029bc50d5fd7beac979_arm64RHSA-2026:61314
Fixed in:plugin-rhel9@sha256:77f8b1685e68fdd513e0e22868d6753a38fd8031be239262431a413251f05714_amd64RHSA-2026:61314
Fixed in:plugin-rhel9@sha256:5059f3edf8ae7fc5c52c3a0b59324929432dcb4f363d3f5c3b22c462bf6ab02d_ppc64leRHSA-2026:61314
registry.redhat.io/cluster-observability-operator/logging-consoleRed Hat / RHEL
Fixed in:plugin-rhel9@sha256:77f8b1685e68fdd513e0e22868d6753a38fd8031be239262431a413251f05714_amd64RHSA-2026:61314
Fixed in:plugin-rhel9@sha256:88ad68ca1e9b3be4a0c110d4d96b8addd4b3f443081da029bc50d5fd7beac979_arm64RHSA-2026:61314
Fixed in:plugin-rhel9@sha256:5059f3edf8ae7fc5c52c3a0b59324929432dcb4f363d3f5c3b22c462bf6ab02d_ppc64leRHSA-2026:61314
Fixed in:plugin-rhel9@sha256:2301cb3015114a2d94b7b6d8f6ca743be503a67ca83a4595e86a4026f920821d_s390xRHSA-2026:61314
This vulnerability affects an unusually large number of packages. The highest-confidence fixes are shown above; the full list is longer. Check the referenced advisories for complete coverage.
TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works
Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.
CVSS v3 Vector
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploit Intelligence
0.47%probability of exploitation in 30 days
40thpercentile
Low risk: more likely to be exploited than 40% of all known CVEs.
References
Other references3
Related Vulnerabilities
Other CWE-835 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2020-13935 | High | 7.5 | 87% | - | Fix |
| CVE-2020-36227 | High | 7.5 | 78% | - | Fix |
| CVE-2022-0778 | High | 7.5 | 73% | - | Fix |
| CVE-2024-20353 | High | 8.6 | 71% | KEV | - |
| CVE-2019-14241 | High | 7.5 | 70% | - | - |
| CVE-2017-16944 | High | 7.5 | 63% | - | Fix |
Common questions
How do I fix CVE-2026-56852?
Published advisories record a fix for 220 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.
Is CVE-2026-56852 being actively exploited?
Not that we know of. CVE-2026-56852 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.47% is the estimated probability that it will be exploited in the next 30 days. That is higher than 40% of all scored CVEs.
How severe is CVE-2026-56852?
CVE-2026-56852 has a CVSS v3 base score of 7.5, rated important. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
What does CVE-2026-56852 affect?
Published advisories record a fix for golang-golang-x-text (Debian), golang.org/x/text (Go), buildah (Rocky), buildah (Red Hat / RHEL), and 216 more. The list on this page is capped, so there may be more.
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-07-23.