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Fedora 43 : trafficserver (2026-ddaabe38ab)

high Nessus Plugin ID 330082

Synopsis

The remote Fedora host is missing one or more security updates.

Description

The remote Fedora 43 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-ddaabe38ab advisory.

 Resolves CVE-2026-59173 - DoS vulnerability in HTTP/2 via stalled flow-control

 Additional Changes with Apache Traffic Server 9.2.14 #12910 - Fix connection-level window mismatch causing 408/504 timeouts #13266 - Add Claude Code project guide for the 9.2.x branch #13267 - [9.2.x] Backport format scripts fixes #13377 - 9.2.x: http2: Track scheduled events

 Additional Changes with Apache Traffic Server 10.1.3 #12192 - Return a 400 on chunk parse errors #12733 - Fix retry logic for TSHttpTxnServerAddrSet (issue #12611) #12854 - Fix LoadedPlugins::remove crash during static destruction #12855 - Fix header_rewrite run-plugin relative path resolution #12857 - Fix autest compatibility with Fedora 43 / Python 3.14 #12943 - Address incompatibility with BoringSSL #12959 - Fix crash in HttpSM::tunnel_handler on unhandled VC events #12972 - Fix cache retry assert on ServerAddrSet #12990 - Update to Proxy Verifier v3.0.0 #13008 - cmake: limit GENERAL_NAME bssl probe #13020 - Align AuTests with latest proxy-verifier checks (#12986) #13025 - hrw: Refix loading geodb files #13033 - tests/gold_tests/headers tests: use ATSReplayTest #13113 - slice: Fix crash caused by use-after-free #13114 - Fix bg fill teardown crash in update_size_and_time_stats #13138 - Remove cache alternate vector detach #13144 - Fix XPACK relative index underflow #13162 - hrw: Fix an index bug in run plugin operator #13177 - Correct records.yaml record drift #13178 - 10.1.x: proxy.config.dns.search_default_domains: allow 2 #13182 - Stabilize parallel AuTest helpers #13192 - yaml-cpp-0.9.0 #13193 - GCC 16: Regex header integer includes #13198 - Fedora 44 test fixes #13200 - Single source of truth for Proxy Verifier metadata #13217 - Proxy Verifier v3.1.3 #13218 - Fix hdrHeap/hdrStrHeap allocator inuse metric underflow #13220 - Fix flaky Fedora 44 AuTest helpers #13223 - Fix mismatched sINT/dINT log field types #13252 - cache: apply per-volume settings on first start after clear #13256 - Fix mismatched log field types more #13261 - header_rewrite: Improve URL Error messages #13263 - Fix bounds check in CacheVC::scanObject #13264 - Handle OpenSSL without dynamic ENGINE #13280 - Enable probes in Fedora C++20 CI #13293 - ProxyProtocol: free pp_info heap on NetVConnection recycle #13294 - Fix pending HostDB DNS queue removal race #13295 - Fix server entry cleanup after request tunnel setup #13297 - 10.1.x: Add sni.yaml session ticket overrides (#13006) #13303 - header_rewrite: Fix a leak and truncation in set-body-from #13307 - dns: destruct HostEnt on free to fix SRV vector leak #13318 - TLS: Fix memory leaks in cert load and OCSP stapling #13325 - HttpSM.cc: fix cache read end milestone order #13336 - 10.1.x: Fix redirected cache write without write VC #13365 - 10.1.x: USDT: normalize names for STATE_ENTER #13366 - 10.1.x: Fix set-status crash inside if/endif at remap time #13387 - Hard-enforce max_active_streams_in at HTTP/2 stream creation


Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected trafficserver package.

See Also

https://bodhi.fedoraproject.org/updates/FEDORA-2026-ddaabe38ab

Plugin Details

Severity: High

ID: 330082

File Name: fedora_2026-ddaabe38ab.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 7/27/2026

Updated: 7/27/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.74

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS Score Source: CVE-2026-59173

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:fedoraproject:fedora:43, p-cpe:/a:fedoraproject:fedora:trafficserver

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 7/18/2026

Vulnerability Publication Date: 7/16/2026

Reference Information

CVE: CVE-2026-59173