CVE-2022-2850
A public proof of concept exists; no exploitation attested.
- Published2022-10-14
- WeaknessCWE-476
Am I affected?
Debian, Ubuntu or Red Hat sometimes backport a fix without changing the upstream version number: such a version reads « to verify », never « affected ».With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.
Description
A flaw was found In 389-ds-base. When the Content Synchronization plugin is enabled, an authenticated user can reach a NULL pointer dereference using a specially crafted query. This flaw allows an authenticated attacker to cause a denial of service. This CVE is assigned against an incomplete fix of CVE-2021-3514.
Timeline
dates in UTC- 2022-10-1418:15CVE publishedNVD
Observed activity
isMalicious corpus · updated 2026-10-23 21:37 UTCBlock these indicators
- Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2022-2850?format=txt
- CSV export: https://api.ismalicious.com/edl/cve/CVE-2022-2850?format=csv
- TAXII collection of exploited CVEs
- The EDL and CSV take an API key on the Pro plan.
Versions per branch
NVD| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| 6.0 | = 6.0 | no fix published | NVD |
| 7.0 | = 7.0 | no fix published | NVD |
| 8.0 | = 8.0 | no fix published | NVD |
| 9.0 | = 9.0 | no fix published | NVD |
| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| 35.x | = 35 | no fix published | NVD |
| 36.x | = 36 | no fix published | NVD |
| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| 11.0 | = 11.0 | no fix published | NVD |
| 12.0 | = 12.0 | no fix published | NVD |
2 more products in the sources.
as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.
Distribution builds and vendor advisories
Packages from OSV.dev and products from the vendors' CSAF advisories.
version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.
Packages
- 389-ds-baseAlmaLinux:9all versions · fixed in 2.1.3-4.el9_1and 2 other packages
- 389-ds-baseAlmaLinux:8all versions · fixed in 1.4.3.28-8.module_el8.6.0+3338+ebccfef1and 5 other packages
Vendor advisories
389-ds-base: SIGSEGV in sync_repl
389-ds-base as a component of Red Hat Enterprise Linux 6 · 389-ds-base-devel as a component of Red Hat Enterprise Linux 6 · 389-ds-base-libs as a component of Red Hat Enterprise Linux 6 · +1 more
Red Hat Security Advisory: redhat-ds:12 security update
Red Hat Security Advisory: 389-ds-base security update
Red Hat Security Advisory: redhat-ds:11 security, bug fix, and enhancement update
Red Hat Security Advisory: 389-ds:1.4 security update
Red Hat Security Advisory: 389-ds-base security, bug fix, and enhancement update
2 more advisories
Fix
- Vendor fix Red Hat Product Security RHSA-2023:0479 · 11 productsFor details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
- Vendor fix Red Hat Product Security RHSA-2022:8976 · 26 productsFor details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing this update, the 389 server service will be restarted automatically.
- Vendor fix Red Hat Product Security RHSA-2022:8886 · 13 productsFor details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
- No fix planned, says the vendor Red Hat Product Security CVE-2022-2850 · 4 productsOut of support scope
Advisories and patches
- access.redhat.comVendor Advisory
- bugzilla.redhat.comVendor Advisory
Detection
- Nuclei template
- none so far ProjectDiscovery
- Exploit-DB
- no entry Exploit-DB
- Proof-of-concept repositories
- none listed PoC-in-GitHub
Sources
Technical details
- CVSS v3 Vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Published
- 2022-10-14
- Last Modified
- 2026-06-17
- NVD status
- Modified
Frequently asked questions
What is CVE-2022-2850?
Is CVE-2022-2850 actively exploited?
What is the CVSS score for CVE-2022-2850?
Running 389-ds-base? Hear about its next vulnerability
Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».
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Go further
- Following what attackers exploit right now? The CISA KEV additions of the month, with their patch deadlines.
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Related vulnerabilities
Same product first, then the same vendor advisory and the same publication week.
- CVE-2022-0918same product
- CVE-2021-4091same product
- CVE-2022-0996same product
- CVE-2025-14905same product
- CVE-2024-3657same product
- CVE-2024-6237same product
- CVE-2026-18453same product389-ds-base: 389-ds-base: pre-authentication null pointer dereference via paged results and use_one_backend control in op_shared_search
- CVE-2026-18355same product389-ds-base: 389-ds-base: heap buffer overflow via sasl wrapped-record length lower-bound underflow in sasl_io_start_packet()