CVE catalog

CVE-2021-44759

trafficserver: CVE-2021-44759

Severity: Medium
Published: Mar 23, 2022, 2:15:00 PM UTC
Source: [NVD] · [CVE record]
EPSS: 1.58% · Oct 25, 2026

Improper Authentication vulnerability in TLS origin validation of Apache Traffic Server allows an attacker to create a man in the middle attack. This issue affects Apache Traffic Server 8.0.0 to 8.1.0.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	trafficserver	bookworm	`9.2.5+ds-0+deb12u4`	fixed
Debian	trafficserver	bookworm-security	`9.2.5+ds-0+deb12u4`	fixed
Ubuntu	trafficserver	16.04	`5.3.0-2ubuntu1`	vulnerable
Ubuntu	trafficserver	16.04	`5.3.0-2ubuntu2`	vulnerable
Ubuntu	trafficserver	18.04	`7.0.0-5`	vulnerable
Ubuntu	trafficserver	18.04	`7.1.2+ds-2`	vulnerable
Ubuntu	trafficserver	18.04	`7.1.2+ds-2build1`	vulnerable
Ubuntu	trafficserver	18.04	`7.1.2+ds-3`	vulnerable
Ubuntu	trafficserver	pro	`8.0.5+ds-1`	vulnerable
Ubuntu	trafficserver	pro	`8.0.5+ds-2`	vulnerable
Ubuntu	trafficserver	pro	`8.0.5+ds-2build1`	vulnerable
Ubuntu	trafficserver	pro	`8.0.5+ds-2ubuntu1`	vulnerable
Ubuntu	trafficserver	pro	`8.0.5+ds-3`	vulnerable
Ubuntu	trafficserver	pro	`8.0.5+ds-3ubuntu0.1~esm1`	vulnerable

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	trafficserver	source	bookworm	`9.1.0+ds-1`	not yet assigned	Not reported	Not reported

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[trafficserver]Fixed
Details (4)
- 9.2.5+ds-0+deb12u4 · amd64 · bookworm
  Fixed · Fixed: 9.1.0+ds-1
  dsa · trafficserver · debian · bookworm; dsa · trafficserver · debian · 12
- 9.2.5+ds-0+deb12u4 · arm64 · bookworm
  Fixed · Fixed: 9.1.0+ds-1
  dsa · trafficserver · debian · bookworm; dsa · trafficserver · debian · 12
- 9.2.5+ds-0+deb12u4 · amd64 · bookworm-security
  Fixed · Fixed: 9.1.0+ds-1
  dsa · trafficserver · debian · bookworm; dsa · trafficserver · debian · 12
- 9.2.5+ds-0+deb12u4 · arm64 · bookworm-security
  Fixed · Fixed: 9.1.0+ds-1
  dsa · trafficserver · debian · bookworm; dsa · trafficserver · debian · 12
[trafficserver-dev]Fixed
Source package: [trafficserver]
Details (4)
- 9.2.5+ds-0+deb12u4 · amd64 · bookworm
  Fixed · Fixed: 9.1.0+ds-1
  dsa · trafficserver · debian · bookworm; dsa · trafficserver · debian · 12
- 9.2.5+ds-0+deb12u4 · arm64 · bookworm
  Fixed · Fixed: 9.1.0+ds-1
  dsa · trafficserver · debian · bookworm; dsa · trafficserver · debian · 12
- 9.2.5+ds-0+deb12u4 · amd64 · bookworm-security
  Fixed · Fixed: 9.1.0+ds-1
  dsa · trafficserver · debian · bookworm; dsa · trafficserver · debian · 12
- 9.2.5+ds-0+deb12u4 · arm64 · bookworm-security
  Fixed · Fixed: 9.1.0+ds-1
  dsa · trafficserver · debian · bookworm; dsa · trafficserver · debian · 12
[trafficserver-experimental-plugins]Fixed
Source package: [trafficserver]
Details (4)
- 9.2.5+ds-0+deb12u4 · amd64 · bookworm
  Fixed · Fixed: 9.1.0+ds-1
  dsa · trafficserver · debian · bookworm; dsa · trafficserver · debian · 12
- 9.2.5+ds-0+deb12u4 · arm64 · bookworm
  Fixed · Fixed: 9.1.0+ds-1
  dsa · trafficserver · debian · bookworm; dsa · trafficserver · debian · 12
- 9.2.5+ds-0+deb12u4 · amd64 · bookworm-security
  Fixed · Fixed: 9.1.0+ds-1
  dsa · trafficserver · debian · bookworm; dsa · trafficserver · debian · 12
- 9.2.5+ds-0+deb12u4 · arm64 · bookworm-security
  Fixed · Fixed: 9.1.0+ds-1
  dsa · trafficserver · debian · bookworm; dsa · trafficserver · debian · 12

Observed: Oct 23, 2026, 6:03:46 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database]