CVE catalog

CVE-2020-12135

duo-unix: CVE-2020-12135

Severity: Medium · CVSS 5.5CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Published: Apr 13, 2020, 12:00:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 1.17% · Oct 25, 2026

bson before 0.8 incorrectly uses int rather than size_t for many variables, parameters, and return values. In particular, the bson_ensure_space() parameter bytesNeeded could have an integer overflow via properly constructed bson input.

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	duo-unix	sid	`1.11.3-1.2`	vulnerable
Debian	duo-unix	trixie	`1.11.3-1.2`	vulnerable
Debian	duo-unix	bookworm	`1.11.3-1`	vulnerable
Ubuntu	whoopsie	16.04	`0.2.49`	vulnerable
Ubuntu	whoopsie	16.04	`0.2.50`	vulnerable
Ubuntu	whoopsie	16.04	`0.2.51`	vulnerable
Ubuntu	whoopsie	16.04	`0.2.52`	vulnerable
Ubuntu	whoopsie	16.04	`0.2.52.1`	vulnerable
Ubuntu	whoopsie	16.04	`0.2.52.2`	vulnerable
Ubuntu	whoopsie	16.04	`0.2.52.3`	vulnerable
Ubuntu	whoopsie	16.04	`0.2.52.4`	vulnerable
Ubuntu	whoopsie	16.04	`0.2.52.5`	vulnerable
Ubuntu	whoopsie	16.04	`0.2.52.5ubuntu0.1`	vulnerable
Ubuntu	whoopsie	16.04	`0.2.52.5ubuntu0.2`	vulnerable
Ubuntu	whoopsie	16.04	`0.2.52.5ubuntu0.3`	vulnerable
Ubuntu	whoopsie	16.04	`0.2.52.5ubuntu0.4`	vulnerable
Ubuntu	whoopsie	16.04	`0.2.52.5ubuntu0.5`	fixed
Ubuntu	whoopsie	18.04	`0.2.58`	vulnerable
Ubuntu	whoopsie	18.04	`0.2.59`	vulnerable
Ubuntu	whoopsie	18.04	`0.2.59build1`	vulnerable
Ubuntu	whoopsie	18.04	`0.2.60`	vulnerable
Ubuntu	whoopsie	18.04	`0.2.62`	vulnerable
Ubuntu	whoopsie	18.04	`0.2.62ubuntu0.1`	vulnerable
Ubuntu	whoopsie	18.04	`0.2.62ubuntu0.2`	vulnerable
Ubuntu	whoopsie	18.04	`0.2.62ubuntu0.3`	vulnerable
Ubuntu	whoopsie	18.04	`0.2.62ubuntu0.4`	vulnerable
Ubuntu	whoopsie	18.04	`0.2.62ubuntu0.5`	fixed
Ubuntu	whoopsie	20.04	`0.2.66`	vulnerable
Ubuntu	whoopsie	20.04	`0.2.67`	vulnerable
Ubuntu	whoopsie	20.04	`0.2.68`	vulnerable
Ubuntu	whoopsie	20.04	`0.2.69`	vulnerable
Ubuntu	whoopsie	20.04	`0.2.69ubuntu0.1`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	duo-unix	source	sid	`(unfixed)`	unimportant	Not reported	[958998]
Debian	duo-unix	source	trixie	`(unfixed)`	unimportant	Not reported	[958998]
Debian	duo-unix	source	bookworm	`(unfixed)`	unimportant	Not reported	[958998]
Ubuntu	whoopsie	deb	16.04	`0.2.52.5ubuntu0.5`	Not reported	USN-4450-1	Not reported
Ubuntu	whoopsie	deb	18.04	`0.2.62ubuntu0.5`	Not reported	USN-4450-1	Not reported
Ubuntu	whoopsie	deb	20.04	`0.2.69ubuntu0.1`	Not reported	USN-4450-1	Not reported

[Debian bug #958998]

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[libduo3]Affected
Source package: [duo-unix]
Details (2)
- 1.11.3-1+b1 · amd64 · bookworm
  Affected
  dsa · duo-unix · debian · bookworm; dsa · duo-unix · debian · 12
- 1.11.3-1+b1 · arm64 · bookworm
  Affected
  dsa · duo-unix · debian · bookworm; dsa · duo-unix · debian · 12
[libduo-dev]Affected
Source package: [duo-unix]
Details (2)
- 1.11.3-1+b1 · amd64 · bookworm
  Affected
  dsa · duo-unix · debian · bookworm; dsa · duo-unix · debian · 12
- 1.11.3-1+b1 · arm64 · bookworm
  Affected
  dsa · duo-unix · debian · bookworm; dsa · duo-unix · debian · 12
[libpam-duo]Affected
Source package: [duo-unix]
Details (2)
- 1.11.3-1+b1 · amd64 · bookworm
  Affected
  dsa · duo-unix · debian · bookworm; dsa · duo-unix · debian · 12
- 1.11.3-1+b1 · arm64 · bookworm
  Affected
  dsa · duo-unix · debian · bookworm; dsa · duo-unix · debian · 12
[login-duo]Affected
Source package: [duo-unix]
Details (2)
- 1.11.3-1+b1 · amd64 · bookworm
  Affected
  dsa · duo-unix · debian · bookworm; dsa · duo-unix · debian · 12
- 1.11.3-1+b1 · arm64 · bookworm
  Affected
  dsa · duo-unix · debian · bookworm; dsa · duo-unix · debian · 12

[Debian 13 (Trixie)]

[libduo3t64]Affected
Source package: [duo-unix]
Details (2)
- 1.11.3-1.2+b1 · amd64 · trixie
  Affected
  dsa · duo-unix · debian · 13
- 1.11.3-1.2+b1 · arm64 · trixie
  Affected
  dsa · duo-unix · debian · 13
[libduo-dev]Affected
Source package: [duo-unix]
Details (2)
- 1.11.3-1.2+b1 · amd64 · trixie
  Affected
  dsa · duo-unix · debian · 13
- 1.11.3-1.2+b1 · arm64 · trixie
  Affected
  dsa · duo-unix · debian · 13
[libpam-duo]Affected
Source package: [duo-unix]
Details (2)
- 1.11.3-1.2+b1 · amd64 · trixie
  Affected
  dsa · duo-unix · debian · 13
- 1.11.3-1.2+b1 · arm64 · trixie
  Affected
  dsa · duo-unix · debian · 13
[login-duo]Affected
Source package: [duo-unix]
Details (2)
- 1.11.3-1.2+b1 · amd64 · trixie
  Affected
  dsa · duo-unix · debian · 13
- 1.11.3-1.2+b1 · arm64 · trixie
  Affected
  dsa · duo-unix · debian · 13

Observed: Oct 23, 2026, 5:47:02 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]