VulnerabilityAnalyzed

CVE-2026-58152

Apache Traffic Server mishandles integers while decoding HPACK/XPACK headers, corrupting memory.

MEDIUM 6.9EPSS 0.34%

Does this matter?

Lower severity and a low EPSS score (0.34%). Track it; it rarely justifies an emergency change on its own.

Description

Apache Traffic Server mishandles integers while decoding HPACK/XPACK headers, corrupting memory. 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.

CVSS 4.0: 6.9 MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS: 0.34% probability · 28th percentile
CISA KEV: Not listed
Weakness: CWE-190
Affected: apache/traffic server
Source: security@apache.org

References

https://lists.apache.org/thread/5prl9glcm9g2swnq9hqxvnokylm1gr6dVendor Advisory, Mailing List

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.