CVE-2015-3249

critical
Published 2017-10-30 · Modified 2026-05-13
CVSS v3
9.8
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v2
7.5
VIR risk
9.8

Description

The HTTP/2 experimental feature in Apache Traffic Server 5.3.x before 5.3.1 allows remote attackers to cause a denial of service (out-of-bounds access and daemon crash) or possibly execute arbitrary code via vectors related to the (1) frame_handlers array or (2) set_dynamic_table_size function.

Predictions

Exploit likelihood
97%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2015-3249

OS impact

OSVersionStatusFixed in
debian debianbookwormfixed5.3.1-1
debian debianbullseyefixed5.3.1-1
debian debiansidfixed5.3.1-1

Application impact

VendorProductVersionsFixed
apache apachetraffic_server5.3.0

References

CWEs

CWE-119

Verify integrity in audit chain (admin only). AS-IS.