Vulnerability details
CVE-2026-58161
Apache Software Foundation Apache Traffic Server
Apache Traffic Server: Memory-safety errors in TLS and SNI handling can crash the server
CVSS 4.0
9.2Critical
Official description
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.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 9.2Critical | 4.0 | CVEProject cvelistV5 (CNA) (apache) | CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N |
| 7.5High | 3.1 | CVEProject cvelistV5 (CNA) (apache) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Apache Software Foundation | Apache Traffic Server | 10.0.0 ≤ v ≤ 10.1.3 | CVEProject cvelistV5 (CNA) |
| Apache Software Foundation | Apache Traffic Server | 8.0.0 ≤ v ≤ 8.1.11 | CVEProject cvelistV5 (CNA) |
| Apache Software Foundation | Apache Traffic Server | 9.0.0 ≤ v ≤ 9.2.14 | CVEProject cvelistV5 (CNA) |
References and advisories
1- https://lists.apache.org/thread/5prl9glcm9g2swnq9hqxvnokylm1gr6d vendor-advisory
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Details
- Published
- 2026-07-29
- Last updated
- 2026-10-01
- State
- Published
- Assigner (CNA)
- apache
Exploit prediction (EPSS)
0.66%
Probability of exploitation in 30 days
51.9%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- None
- Technical impact
- Partial
Weaknesses (CWE)
- CWE-476NULL Pointer Dereference