CVE-2023-50781
high
CVSS v3
7.5
CVSS v4 NEW
—
VIR risk
7.5
Description
m2crypto Bleichenbacher timing attack - incomplete fix for CVE-2020-25657
Predictions
Exploit likelihood
83%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Red Hat Affected 2 releases
| Version | Status | Fixed in |
|---|---|---|
| 9.0 | Affected | — |
| 8.0 | Affected | — |
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | — |
Debian Mixed 3 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 0.40.1-3 |
| bullseye | Affected | — |
| bookworm | Affected | — |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| PyPI | m2crypto | <=0.40.1 | |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| redhat | update_infrastructure | 4 | |
| m2crypto_project | m2crypto | - | |
References
- https://access.redhat.com/security/cve/CVE-2023-50781
- https://bugzilla.redhat.com/show_bug.cgi?id=2254426
- https://cert-portal.siemens.com/productcert/html/ssa-265688.html
- https://nvd.nist.gov/vuln/detail/CVE-2023-50781
- https://gitlab.com/m2crypto/m2crypto
- https://gitlab.com/m2crypto/m2crypto/-/issues/342
- https://www.suse.com/security/cve/CVE-2023-50781.html
- https://security-tracker.debian.org/tracker/CVE-2023-50781
CWEs
CWE-203
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.