CVE-2026-105270
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2026
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
Unbounded atom creation while parsing SAML messages in esaml allows atom table exhaustion
Allocation of Resources Without Limits or Throttling vulnerability in esaml_binding in dropbox esaml allows an unauthenticated attacker to exhaust the Erlang VM atom table and crash the node via a crafted SAMLResponse. esaml_binding:decode_response/2 parses the decoded SAMLResponse with xmerl_scan:string/2, which interns every element name, attribute name, and namespace prefix it reads as a permanent atom. The SAML consume (ACS) and single-logout endpoints call it on unauthenticated requests before any signature check, so one well-formed document with thousands of distinct names mints thousands of atoms while staying inside the 128 KB request body limit. Atoms are never reclaimed and the VM caps the atom table at about one million entries, so a few dozen requests abort the node. This issue affects esaml: from 0.1.0 onward.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
esaml
- Vendor
- arekinath
- Product
- esaml
- Platforms
- Unknown
- Default status
unaffected- Package
- arekinath/esaml
- Package collection
- https://github.com
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| deeb84378d5c82153b470e99d24f77c38afca14a | affected | git | * | Unavailable | None listed |
esaml
- Vendor
- handnot2
- Product
- esaml
- Platforms
- Unknown
- Default status
unaffected- Package
- handnot2/esaml
- Package collection
- https://github.com
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| deeb84378d5c82153b470e99d24f77c38afca14a | affected | git | * | Unavailable | None listed |
esaml
- Vendor
- dropbox
- Product
- esaml
- Platforms
- Unknown
- Default status
unaffected- Package
- esaml
- Package collection
- https://repo.hex.pm
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 0.1.0 | affected | semver | * | Unavailable | None listed |
esaml
- Vendor
- dropbox
- Product
- esaml
- Platforms
- Unknown
- Default status
unaffected- Package
- dropbox/esaml
- Package collection
- https://github.com
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| deeb84378d5c82153b470e99d24f77c38afca14a | affected | git | * | Unavailable | None listed |