CVE catalog

CVE-2026-2704

openbabel: CVE-2026-2704

Severity: High · CVSS 8.1CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
Published: Feb 19, 2026, 4:32:07 AM UTC
Source: [NVD] · [CVE record]
EPSS: 0.88% · Oct 25, 2026

A security vulnerability has been detected in Open Babel up to 3.1.1. The affected element is the function OpenBabel::transform3d::DescribeAsString of the file src/math/transform3d.cpp of the component CIF File Handler. The manipulation leads to out-of-bounds read. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 3.2.0 is sufficient to fix this issue. The identifier of the patch is e23a224b8fd9d7c2a7cde9ef4ec6afb4c05aa08a. It is suggested to install a patch to address this issue.

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	openbabel	sid	`3.2.0+dfsg-2`	vulnerable
Debian	openbabel	forky	`3.2.0+dfsg-1`	vulnerable
Debian	openbabel	trixie	`3.1.1+dfsg-12`	vulnerable
Debian	openbabel	bookworm	`3.1.1+dfsg-9`	vulnerable
Opensuse	openbabel	tumbleweed	`3.2.0-2.1`	fixed
Ubuntu	openbabel	16.04	`2.3.2+dfsg-2.2`	vulnerable
Ubuntu	openbabel	16.04	`2.3.2+dfsg-2.2build1`	vulnerable
Ubuntu	openbabel	18.04	`2.3.2+dfsg-3build1`	vulnerable
Ubuntu	openbabel	20.04	`2.4.1+dfsg-3`	vulnerable
Ubuntu	openbabel	20.04	`2.4.1+dfsg-3build1`	vulnerable
Ubuntu	openbabel	20.04	`2.4.1+dfsg-5.1`	vulnerable
Ubuntu	openbabel	20.04	`2.4.1+dfsg-6`	vulnerable
Ubuntu	openbabel	20.04	`3.0.0+dfsg-3`	vulnerable
Ubuntu	openbabel	20.04	`3.0.0+dfsg-3ubuntu3`	vulnerable
Ubuntu	openbabel	22.04	`3.1.1+dfsg-6ubuntu1`	vulnerable
Ubuntu	openbabel	22.04	`3.1.1+dfsg-6ubuntu5`	vulnerable
Ubuntu	openbabel	24.04	`3.1.1+dfsg-9build2`	vulnerable
Ubuntu	openbabel	24.04	`3.1.1+dfsg-9ubuntu1`	vulnerable
Ubuntu	openbabel	24.04	`3.1.1+dfsg-9ubuntu2`	vulnerable
Ubuntu	openbabel	24.04	`3.1.1+dfsg-9ubuntu4`	vulnerable
Ubuntu	openbabel	24.04	`3.1.1+dfsg-9ubuntu5`	vulnerable
Ubuntu	openbabel	25.10	`3.1.1+dfsg-11ubuntu3`	vulnerable
Ubuntu	openbabel	25.10	`3.1.1+dfsg-11ubuntu4`	vulnerable
Ubuntu	openbabel	26.10	`3.1.1+dfsg-11ubuntu5`	vulnerable
Ubuntu	openbabel	26.10	`3.1.1+dfsg-14ubuntu2`	vulnerable
Ubuntu	openbabel	26.04	`3.1.1+dfsg-11ubuntu4`	vulnerable
Ubuntu	openbabel	26.04	`3.1.1+dfsg-11ubuntu5`	vulnerable

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	openbabel	source	sid	`(unfixed)`	not yet assigned	Not reported	[1129566]
Debian	openbabel	source	forky	`(unfixed)`	not yet assigned	Not reported	[1129566]
Debian	openbabel	source	trixie	`(unfixed)`	not yet assigned	Not reported	[1129566]
Debian	openbabel	source	bookworm	`(unfixed)`	not yet assigned	Not reported	[1129566]
Opensuse	openbabel	rpm	tumbleweed	`3.2.0-2.1`	Not reported	OPENSUSE-SU-2026:11096-1	Not reported

[Debian bug #1129566]

Notes

[trixie] openbabel: Minor issue [bookworm] openbabel: Minor issue

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[libchemistry-openbabel-perl]Affected
Source package: [openbabel]
Details (2)
- 3.1.1+dfsg-9+b3 · amd64 · bookworm
  Affected
  dsa · openbabel · debian · bookworm; dsa · openbabel · debian · 12
- 3.1.1+dfsg-9+b3 · arm64 · bookworm
  Affected
  dsa · openbabel · debian · bookworm; dsa · openbabel · debian · 12
[libopenbabel7]Affected
Source package: [openbabel]
Details (2)
- 3.1.1+dfsg-9+b3 · amd64 · bookworm
  Affected
  dsa · openbabel · debian · bookworm; dsa · openbabel · debian · 12
- 3.1.1+dfsg-9+b3 · arm64 · bookworm
  Affected
  dsa · openbabel · debian · bookworm; dsa · openbabel · debian · 12
[libopenbabel-dev]Affected
Source package: [openbabel]
Details (2)
- 3.1.1+dfsg-9+b3 · amd64 · bookworm
  Affected
  dsa · openbabel · debian · bookworm; dsa · openbabel · debian · 12
- 3.1.1+dfsg-9+b3 · arm64 · bookworm
  Affected
  dsa · openbabel · debian · bookworm; dsa · openbabel · debian · 12
[libopenbabel-doc]Affected
Source package: [openbabel]
Details (2)
- 3.1.1+dfsg-9 · all · bookworm
  Affected
  dsa · openbabel · debian · bookworm; dsa · openbabel · debian · 12
- 3.1.1+dfsg-9 · all · bookworm
  Affected
  dsa · openbabel · debian · bookworm; dsa · openbabel · debian · 12
[openbabel]Affected
Source package: [openbabel]
Details (2)
- 3.1.1+dfsg-9+b3 · amd64 · bookworm
  Affected
  dsa · openbabel · debian · bookworm; dsa · openbabel · debian · 12
- 3.1.1+dfsg-9+b3 · arm64 · bookworm
  Affected
  dsa · openbabel · debian · bookworm; dsa · openbabel · debian · 12
[openbabel-gui]Affected
Source package: [openbabel]
Details (2)
- 3.1.1+dfsg-9+b3 · amd64 · bookworm
  Affected
  dsa · openbabel · debian · bookworm; dsa · openbabel · debian · 12
- 3.1.1+dfsg-9+b3 · arm64 · bookworm
  Affected
  dsa · openbabel · debian · bookworm; dsa · openbabel · debian · 12
[python3-openbabel]Affected
Source package: [openbabel]
Details (2)
- 3.1.1+dfsg-9+b3 · amd64 · bookworm
  Affected
  dsa · openbabel · debian · bookworm; dsa · openbabel · debian · 12
- 3.1.1+dfsg-9+b3 · arm64 · bookworm
  Affected
  dsa · openbabel · debian · bookworm; dsa · openbabel · debian · 12

[Debian 13 (Trixie)]

[libchemistry-openbabel-perl]Affected
Source package: [openbabel]
Details (2)
- 3.1.1+dfsg-12 · amd64 · trixie
  Affected
  dsa · openbabel · debian · 13
- 3.1.1+dfsg-12 · arm64 · trixie
  Affected
  dsa · openbabel · debian · 13
[libopenbabel7]Affected
Source package: [openbabel]
Details (2)
- 3.1.1+dfsg-12 · amd64 · trixie
  Affected
  dsa · openbabel · debian · 13
- 3.1.1+dfsg-12 · arm64 · trixie
  Affected
  dsa · openbabel · debian · 13
[libopenbabel-dev]Affected
Source package: [openbabel]
Details (2)
- 3.1.1+dfsg-12 · amd64 · trixie
  Affected
  dsa · openbabel · debian · 13
- 3.1.1+dfsg-12 · arm64 · trixie
  Affected
  dsa · openbabel · debian · 13
[libopenbabel-doc]Affected
Source package: [openbabel]
Details (2)
- 3.1.1+dfsg-12 · all · trixie
  Affected
  dsa · openbabel · debian · 13
- 3.1.1+dfsg-12 · all · trixie
  Affected
  dsa · openbabel · debian · 13
[openbabel]Affected
Details (2)
- 3.1.1+dfsg-12 · amd64 · trixie
  Affected
  dsa · openbabel · debian · 13
- 3.1.1+dfsg-12 · arm64 · trixie
  Affected
  dsa · openbabel · debian · 13
[openbabel-gui]Affected
Source package: [openbabel]
Details (2)
- 3.1.1+dfsg-12 · amd64 · trixie
  Affected
  dsa · openbabel · debian · 13
- 3.1.1+dfsg-12 · arm64 · trixie
  Affected
  dsa · openbabel · debian · 13
[python3-openbabel]Affected
Source package: [openbabel]
Details (2)
- 3.1.1+dfsg-12 · amd64 · trixie
  Affected
  dsa · openbabel · debian · 13
- 3.1.1+dfsg-12 · arm64 · trixie
  Affected
  dsa · openbabel · debian · 13

[openSUSE Tumbleweed]

[libopenbabel8]Unknown
Source package: [openbabel]
Details (1)
- 3.2.1-1.2 · x86_64 · tumbleweed
  Unknown · Fixed: 3.2.0-2.1
  Version impact unknown
  dsa · openbabel · opensuse · tumbleweed
[openbabel-devel]Unknown
Source package: [openbabel]
Details (1)
- 3.2.1-1.2 · x86_64 · tumbleweed
  Unknown · Fixed: 3.2.0-2.1
  Version impact unknown
  dsa · openbabel · opensuse · tumbleweed
[openbabel-gui]Unknown
Source package: [openbabel]
Details (1)
- 3.2.1-1.2 · x86_64 · tumbleweed
  Unknown · Fixed: 3.2.0-2.1
  Version impact unknown
  dsa · openbabel · opensuse · tumbleweed
[python3-openbabel]Unknown
Source package: [openbabel]
Details (1)
- 3.2.1-1.2 · x86_64 · tumbleweed
  Unknown · Fixed: 3.2.0-2.1
  Version impact unknown
  dsa · openbabel · opensuse · tumbleweed
[openbabel]Fixed
Source package: [openbabel]
Details (1)
- 3.2.1-1.2 · x86_64 · tumbleweed
  Fixed · Fixed: 3.2.0-2.1
  dsa · openbabel · opensuse · tumbleweed

Observed: Oct 24, 2026, 12:39:14 AM UTC

References

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