CVE-2026-112381
CVE-2026-112381 · Apache Traffic Server: Nullptr dereference in net_write_io on a POST half-close with chunked response
This page contains facts from public vulnerability sources. Check the original advisory before updating.
Apache Traffic Server can crash with a null pointer dereference when a client POST request is torn down via half-close while a chunked origin response is being reparsed from a reentrant write-ready callback, a timing-dependent race introduced by the CVE-2021-32564 flow-control backports. This issue affects Apache Traffic Server: 9.2.15, 10.1.4, 10.2.0. Users are recommended to upgrade to version 9.2.16, 10.1.5, or 10.2.1, which fix the issue.
CVSS 8.2 · High · EPSS 0.3%
- Published
- Updated
Stack: system
Affected products and versions
apache traffic server
- Versions
- 9.2.15: Affected (semver)
- 10.1.4: Affected (semver)
- 10.2.0: Affected (semver)
No fix published
trafficserver Debian:12
- Versions
- 9.2.0+ds-2
- 9.2.0+ds-2+deb12u1
- 9.2.1+ds-1
- 9.2.2+ds-1
- 9.2.3+ds-1
- 9.2.3+ds-1+deb12u1
- 9.2.4+ds-0+deb12u1
- 9.2.4+ds-1
- 9.2.4+ds-2
- 9.2.5+ds-0+deb12u1
- 9.2.5+ds-0+deb12u2
- 9.2.5+ds-0+deb12u3
- 9.2.5+ds-0+deb12u4
- 9.2.5+ds-1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
trafficserver Ubuntu:16.04:LTS
- Versions
- 5.3.0-2ubuntu1
- 5.3.0-2ubuntu2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
trafficserver Ubuntu:18.04:LTS
- Versions
- 7.0.0-5
- 7.1.2+ds-2
- 7.1.2+ds-2build1
- 7.1.2+ds-3
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
trafficserver Ubuntu:Pro:20.04:LTS
- Versions
- 8.0.5+ds-1
- 8.0.5+ds-2
- 8.0.5+ds-2build1
- 8.0.5+ds-2ubuntu1
- 8.0.5+ds-3
- 8.0.5+ds-3ubuntu0.1~esm1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
trafficserver Ubuntu:Pro:22.04:LTS
- Versions
- 8.1.1+ds-1.1
- 9.1.1+ds-2build1
- 9.1.1+ds-2ubuntu0.1~esm1
- 9.1.1+ds-2ubuntu0.1
- 9.1.1+ds-2ubuntu0.1+esm1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
trafficserver Ubuntu:24.04:LTS
- Versions
- 9.2.1+ds-1build1
- 9.2.2+ds-1
- 9.2.3+ds-1
- 9.2.3+ds-1+deb12u1
- 9.2.3+ds-1+deb12u1build1
- 9.2.3+ds-1+deb12u1build3
- 9.2.3+ds-1+deb12u1build4
- 9.2.3+ds-1+deb12u1ubuntu0.1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published