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2 vulnerabilities found for elixir by elixir-lang
CVE-2026-49762 (GCVE-0-2026-49762)
Vulnerability from nvd – Published: 2026-06-09 14:04 – Updated: 2026-06-10 04:43
VLAI
Title
Unbounded integer parsing in the Version module enables CPU and memory exhaustion denial of service
Summary
Uncontrolled Resource Consumption vulnerability in the Elixir standard library's Version module allows an attacker who controls a version string to cause a denial of service through CPU and memory exhaustion.
The version parser converts numeric version components (major, minor, patch and numeric pre-release/build identifiers) to integers without bounding their length. A single large all-digit component therefore forces a super-linear, non-yielding base-10 to arbitrary-precision integer conversion (String.to_integer/1, i.e. :erlang.binary_to_integer/1) that pins a BEAM scheduler, and a larger component raises an uncaught SystemLimitError that crashes the calling process. A single moderately sized string (around one megabyte) is enough; no authentication is required.
This is reachable from the public entry points Version.parse/1, Version.parse!/1, Version.match?/3, Version.compare/2, and Version.parse_requirement/1, which applications routinely call on untrusted input such as HTTP parameters, dependency-manifest fields, and package metadata.
This vulnerability is associated with program files lib/version.ex and program routines 'Elixir.Version.Parser':parse_digits/2.
This issue affects Elixir: from 1.5.0 before 1.20.1.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/elixir-lang/elixir/security/ad… | vendor-advisoryrelated |
| https://cna.erlef.org/cves/CVE-2026-49762.html | related |
| https://osv.dev/vulnerability/EEF-CVE-2026-49762 | related |
| https://github.com/elixir-lang/elixir/commit/c644… | patch |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| elixir-lang | elixir |
Affected:
1.5.0 , < 1.20.1
(semver)
cpe:2.3:a:elixir-lang:elixir:*:*:*:*:*:*:*:* |
|
| elixir-lang | elixir |
Affected:
63e186aea94395897dc4964d82d250130c01ec25 , < c64417d72fd5c7d09e963ca3ac5fa2b140978d9e
(git)
cpe:2.3:a:elixir-lang:elixir:*:*:*:*:*:*:*:* |
Credits
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CVE-2026-49762 (GCVE-0-2026-49762)
Vulnerability from cvelistv5 – Published: 2026-06-09 14:04 – Updated: 2026-06-10 04:43
VLAI
Title
Unbounded integer parsing in the Version module enables CPU and memory exhaustion denial of service
Summary
Uncontrolled Resource Consumption vulnerability in the Elixir standard library's Version module allows an attacker who controls a version string to cause a denial of service through CPU and memory exhaustion.
The version parser converts numeric version components (major, minor, patch and numeric pre-release/build identifiers) to integers without bounding their length. A single large all-digit component therefore forces a super-linear, non-yielding base-10 to arbitrary-precision integer conversion (String.to_integer/1, i.e. :erlang.binary_to_integer/1) that pins a BEAM scheduler, and a larger component raises an uncaught SystemLimitError that crashes the calling process. A single moderately sized string (around one megabyte) is enough; no authentication is required.
This is reachable from the public entry points Version.parse/1, Version.parse!/1, Version.match?/3, Version.compare/2, and Version.parse_requirement/1, which applications routinely call on untrusted input such as HTTP parameters, dependency-manifest fields, and package metadata.
This vulnerability is associated with program files lib/version.ex and program routines 'Elixir.Version.Parser':parse_digits/2.
This issue affects Elixir: from 1.5.0 before 1.20.1.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/elixir-lang/elixir/security/ad… | vendor-advisoryrelated |
| https://cna.erlef.org/cves/CVE-2026-49762.html | related |
| https://osv.dev/vulnerability/EEF-CVE-2026-49762 | related |
| https://github.com/elixir-lang/elixir/commit/c644… | patch |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| elixir-lang | elixir |
Affected:
1.5.0 , < 1.20.1
(semver)
cpe:2.3:a:elixir-lang:elixir:*:*:*:*:*:*:*:* |
|
| elixir-lang | elixir |
Affected:
63e186aea94395897dc4964d82d250130c01ec25 , < c64417d72fd5c7d09e963ca3ac5fa2b140978d9e
(git)
cpe:2.3:a:elixir-lang:elixir:*:*:*:*:*:*:*:* |
Credits
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]
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"subConfidentialityImpact": "NONE",
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"orgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
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{
"tags": [
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},
{
"tags": [
"related"
],
"url": "https://cna.erlef.org/cves/CVE-2026-49762.html"
},
{
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"url": "https://osv.dev/vulnerability/EEF-CVE-2026-49762"
},
{
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"title": "Unbounded integer parsing in the Version module enables CPU and memory exhaustion denial of service",
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