CVE-2026-58161
published 2026-07-29CVE-2026-58161: Apache Traffic Server can crash from null dereferences and dangling references in TLS and SNI handling. This issue affects Apache Traffic Server: from 8.0.0…
PriorityP347high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
EPSS
0.66%
50.1th percentile
Apache Traffic Server can crash from null dereferences and dangling references in TLS and SNI handling.
This issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.
Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.
Affected
6 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| apache | traffic_server | >= 10.0.0 < 10.1.4 | 10.1.4 |
| apache | traffic_server | 8.0.0 – 8.1.9 | — |
| apache | traffic_server | >= 9.0.0 < 9.2.15 | 9.2.15 |
| apache_software_foundation | apache_traffic_server | 10.0.0 – 10.1.3 | — |
| apache_software_foundation | apache_traffic_server | 8.0.0 – 8.1.11 | — |
| apache_software_foundation | apache_traffic_server | 9.0.0 – 9.2.14 | — |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvdv4.09.2CRITICALCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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VulDB
Apache Traffic Server prior 9.2.15/10.1.4 TLS/SNI null pointer dereference (Nessus ID 333156)
vuldb·2026-08-07·CVSS 7.5
CVE-2026-58161 [HIGH] Apache Traffic Server prior 9.2.15/10.1.4 TLS/SNI null pointer dereference (Nessus ID 333156)
A vulnerability was found in Apache Traffic Server. It has been classified as critical. Affected by this vulnerability is an unknown functionality of the component TLS/SNI Handler. This manipulation causes null pointer dereference.
The identification of this vulnerability is CVE-2026-58161. It is possible to initiate the attack remotely. There is no exploit available.
Upgrading the affected component is recommended.
GHSA
Apache Traffic Server can crash from null dereferences and dangling references in TLS and SNI handling.
ghsa_unreviewed·2026-07-29
CVE-2026-58161 [CRITICAL] CWE-476 Apache Traffic Server can crash from null dereferences and dangling references in TLS and SNI handling.
Apache Traffic Server can crash from null dereferences and dangling references in TLS and SNI handling.
This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.
Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2026-58161 trafficserver: memory-safety errors in TLS and SNI handling can crash the server [epel-all]
bugzilla·2026-07-29·CVSS 7.5
CVE-2026-58161 [HIGH] CVE-2026-58161 trafficserver: memory-safety errors in TLS and SNI handling can crash the server [epel-all]
CVE-2026-58161 trafficserver: memory-safety errors in TLS and SNI handling can crash the server [epel-all]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
Apache Traffic Server can crash from null dereferences and dangling references in TLS and SNI handling.
This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.
Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.
Bugzilla
CVE-2026-58161 trafficserver: memory-safety errors in TLS and SNI handling can crash the server [fedora-all]
bugzilla·2026-07-29·CVSS 7.5
CVE-2026-58161 [HIGH] CVE-2026-58161 trafficserver: memory-safety errors in TLS and SNI handling can crash the server [fedora-all]
CVE-2026-58161 trafficserver: memory-safety errors in TLS and SNI handling can crash the server [fedora-all]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
Apache Traffic Server can crash from null dereferences and dangling references in TLS and SNI handling.
This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.
Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.
Bugzilla
CVE-2026-58161 Apache Traffic Server: memory-safety errors in TLS and SNI handling can crash the server
bugzilla·2026-07-29·CVSS 7.5
CVE-2026-58161 [HIGH] CVE-2026-58161 Apache Traffic Server: memory-safety errors in TLS and SNI handling can crash the server
CVE-2026-58161 Apache Traffic Server: memory-safety errors in TLS and SNI handling can crash the server
Apache Traffic Server can crash from null dereferences and dangling references in TLS and SNI handling.
This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.
Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.
2026-07-29
Published