CVE catalog

CVE-2024-45193

olm: CVE-2024-45193

Severity: Medium
Published: Aug 22, 2024, 4:15:10 PM UTC
Source: [NVD] · [CVE record]
EPSS: 0.30% · Oct 25, 2026

An issue was discovered in Matrix libolm through 3.2.16. There is Ed25519 signature malleability due to lack of validation criteria (does not ensure that S < n). This refers to the libolm implementation of Olm. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

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	olm	sid	`3.2.16+dfsg-6`	vulnerable
Debian	olm	forky	`3.2.16+dfsg-6`	vulnerable
Debian	olm	trixie	`3.2.16+dfsg-3`	vulnerable
Debian	olm	bookworm	`3.2.13~dfsg-1`	vulnerable

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	olm	source	sid	`(unfixed)`	not yet assigned	Not reported	[1079487]
Debian	olm	source	forky	`(unfixed)`	not yet assigned	Not reported	[1079487]
Debian	olm	source	trixie	`(unfixed)`	not yet assigned	Not reported	[1079487]
Debian	olm	source	bookworm	`(unfixed)`	not yet assigned	Not reported	[1079487]

[Debian bug #1079487]

Notes

[trixie] olm: Minor issue, libolm is deprecated and won't be fixed [bookworm] olm: Minor issue, libolm is deprecated and won't be fixed

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[libjs-olm]Affected
Source package: [olm]
Details (2)
- 3.2.13~dfsg-1 · all · bookworm
  Affected
  dsa · olm · debian · bookworm; dsa · olm · debian · 12
- 3.2.13~dfsg-1 · all · bookworm
  Affected
  dsa · olm · debian · bookworm; dsa · olm · debian · 12
[libolm3]Affected
Source package: [olm]
Details (2)
- 3.2.13~dfsg-1 · amd64 · bookworm
  Affected
  dsa · olm · debian · bookworm; dsa · olm · debian · 12
- 3.2.13~dfsg-1 · arm64 · bookworm
  Affected
  dsa · olm · debian · bookworm; dsa · olm · debian · 12
[libolm-dev]Affected
Source package: [olm]
Details (2)
- 3.2.13~dfsg-1 · amd64 · bookworm
  Affected
  dsa · olm · debian · bookworm; dsa · olm · debian · 12
- 3.2.13~dfsg-1 · arm64 · bookworm
  Affected
  dsa · olm · debian · bookworm; dsa · olm · debian · 12
[python3-olm]Affected
Source package: [olm]
Details (2)
- 3.2.13~dfsg-1 · amd64 · bookworm
  Affected
  dsa · olm · debian · bookworm; dsa · olm · debian · 12
- 3.2.13~dfsg-1 · arm64 · bookworm
  Affected
  dsa · olm · debian · bookworm; dsa · olm · debian · 12

[Debian 13 (Trixie)]

[libolm3]Affected
Source package: [olm]
Details (2)
- 3.2.16+dfsg-3 · amd64 · trixie
  Affected
  dsa · olm · debian · 13
- 3.2.16+dfsg-3 · arm64 · trixie
  Affected
  dsa · olm · debian · 13
[libolm-dev]Affected
Source package: [olm]
Details (2)
- 3.2.16+dfsg-3 · amd64 · trixie
  Affected
  dsa · olm · debian · 13
- 3.2.16+dfsg-3 · arm64 · trixie
  Affected
  dsa · olm · debian · 13
[python3-olm]Affected
Source package: [olm]
Details (2)
- 3.2.16+dfsg-3 · amd64 · trixie
  Affected
  dsa · olm · debian · 13
- 3.2.16+dfsg-3 · arm64 · trixie
  Affected
  dsa · olm · debian · 13

Observed: Oct 27, 2026, 2:19:49 AM UTC

References

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