CVE-2026-58160: apache software foundation apache traffic server Out-of-bounds Read
CVSS: 6.5v3.1MediumModified
AliasesUBUNTU-CVE-2026-58160DEBIAN-CVE-2026-58160
Published 29-07-2026Last modified 01-10-2026
Vulnerability summary
CVE-2026-58160 is a medium (CVSS 6.5) Out-of-bounds Read vulnerability in apache software foundation apache traffic server. EPSS estimates a 0.58% chance of exploitation in the next 30 days, higher than 46.4% of scored vulnerabilities.
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)EPSS score
0.58%
0%100%
Low · +0.16 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 29-07-2026PublishedVulnerability first disclosed.
- 01-10-2026Last modifiedVulnerability information updated.
Description
Apache Traffic Server reads out of bounds while parsing DNS answers. 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 metrics
7 scores · 4 sources · 2 versionsMedium 6.3Preferred score · CVE.org (CNA)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:NSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated6.3MediumCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N
- OSV · DebianEcosystem advisory · calculated6.3MediumCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:L/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
- NVDNIST6.3MediumCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:L/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
Medium 6.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:LSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
- NVDNIST6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
EPSS trend
Probability
0.58%
Chance of exploitation in the next 30 days
Percentile
46%
Versus all other CVEs
30-day change
+0.16 pp
From 0.42% on 19-09-2026
19-09-202619-10-2026
EPSS score0.58%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Apache1 product
- traffic_server≥ 8.0.0, ≤ 8.1.9 | ≥ 9.0.0, < 9.2.15 | ≥ 10.0.0, < 10.1.4
Apache software foundation1 product
- apache traffic server≥ 8.0.0, ≤ 8.1.11 | ≥ 9.0.0, ≤ 9.2.14 | ≥ 10.0.0, ≤ 10.1.3
Debian1 product
- trafficserverAll versions (No fix recorded)
Ubuntu1 product
- trafficserverAll versions (No fix recorded)
4 vendors · 4 products
