CVE-2016-2146 json
The am_read_post_data function in mod_auth_mellon before 0.11.1 does not limit the amount of data read, which allows remote attackers to ca…
published 2016-04-15 10 y ago modified 2026-06-17 4 mo ago also EUVD-2016-3247
- cvss
- 7.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.4%
- EPSS 3.4% chance of exploitation in 30 days, percentile 88%
- public exploits
- 0
- none known
Summary
The am_read_post_data function in mod_auth_mellon before 0.11.1 does not limit the amount of data read, which allows remote attackers to cause a denial of service (worker process crash, web server deadlock, or memory consumption) via a large amount of POST data.
Patch / fix
- libapache2-mod-auth-mellon Debian 14, Debian 13, Debian 12 0.12.0-1
debian advisories DEBIAN-CVE-2016-2146
- github.com/UNINETT/mod_auth_mellon#71 pull request
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2016-2146 updated cvss 4.3
mod_auth_mellon: Failure to limit amount of POST data submitted by client
-
Red Hat Enterprise Linux 6 mod_auth_mellon Red Hat Enterprise Linux 7 mod_auth_mellon, mod_auth_mellon-diagnosticsaffected: no fix planned “Will not fix”
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Exploit prediction
3.40% chance of exploitation in the next 30 days, higher than 88% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
Classification
- Weakness
-
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
Sources
- CVE List CVE-2016-2146
- NVD CVE-2016-2146
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.