CVE-2013-1839 (GCVE-0-2013-1839)
Vulnerability from cvelistv5 – Published: 2013-09-30 20:00 – Updated: 2024-08-06 15:13
VLAI
EPSS
VEX
Summary
The strHdrAcptLangGetItem function in errorpage.cc in Squid 3.2.x before 3.2.9 and 3.3.x before 3.3.3 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a "," character in an Accept-Language header.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
6 references
| URL | Tags |
|---|---|
| http://www.securityfocus.com/bid/58316 | vdb-entryx_refsource_BID |
| http://secunia.com/advisories/52588 | third-party-advisoryx_refsource_SECUNIA |
| http://www.squid-cache.org/Advisories/SQUID-2013_1.txt | x_refsource_CONFIRM |
| http://archives.neohapsis.com/archives/bugtraq/20… | mailing-listx_refsource_BUGTRAQ |
| http://archives.neohapsis.com/archives/bugtraq/20… | mailing-listx_refsource_BUGTRAQ |
| http://www.openwall.com/lists/oss-security/2013/03/11/7 | mailing-listx_refsource_MLIST |
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"criteria": "cpe:2.3:a:squid-cache:squid:3.2.1:*:*:*:*:*:*:*",
"matchCriteriaId": "2721E403-A553-492F-897F-1CD1E2685139",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:squid-cache:squid:3.2.2:*:*:*:*:*:*:*",
"matchCriteriaId": "85B091C4-8104-4A1E-A09D-EBCD114DC829",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:squid-cache:squid:3.2.3:*:*:*:*:*:*:*",
"matchCriteriaId": "FA2EDF9C-45AD-4980-8DEF-C7F473B22CAF",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:squid-cache:squid:3.2.4:*:*:*:*:*:*:*",
"matchCriteriaId": "BE4B8448-49FA-491C-A6A2-040233D670B1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:squid-cache:squid:3.2.5:*:*:*:*:*:*:*",
"matchCriteriaId": "11480BB1-874C-48EB-BB03-081313310608",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:squid-cache:squid:3.2.6:*:*:*:*:*:*:*",
"matchCriteriaId": "1B739890-99E8-434C-97D4-3739E6C31838",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:squid-cache:squid:3.2.7:*:*:*:*:*:*:*",
"matchCriteriaId": "0C7B1871-3C85-4B88-AB42-E60BF5CDFB04",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:squid-cache:squid:3.2.8:*:*:*:*:*:*:*",
"matchCriteriaId": "0A71DCD2-0E54-46A7-8309-CDB0736AD5C1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:squid-cache:squid:3.3.0:*:*:*:*:*:*:*",
"matchCriteriaId": "728DD64E-C267-475A-BEA8-C139581DD7A7",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:squid-cache:squid:3.3.0.2:*:*:*:*:*:*:*",
"matchCriteriaId": "4CE8F3F5-45A2-418A-9D8E-4E6DFC888BC6",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:squid-cache:squid:3.3.0.3:*:*:*:*:*:*:*",
"matchCriteriaId": "7F4845D4-40D9-431E-A63C-E949B9D9F959",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:squid-cache:squid:3.3.1:*:*:*:*:*:*:*",
"matchCriteriaId": "9EF070E6-0B73-4F6D-8932-B284697FCD2E",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:squid-cache:squid:3.3.2:*:*:*:*:*:*:*",
"matchCriteriaId": "6E07992B-92B4-4307-8DBD-085376C1D6DD",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "The strHdrAcptLangGetItem function in errorpage.cc in Squid 3.2.x before 3.2.9 and 3.3.x before 3.3.3 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a \",\" character in an Accept-Language header."
},
{
"lang": "es",
"value": "La funci\u00f3n strHdrAcptLangGetItem en errorpage.cc de Squid 3.2.x (anteriores a 3.2.9) y 3.3.x (anteriores a 3.3.3) permite a un atacante remoto causar una denegaci\u00f3n de servicio (bucle infinito y consumo de CPU) a trav\u00e9s de un caracter \",\" en la cabecera Accept-Language."
}
],
"id": "CVE-2013-1839",
"lastModified": "2026-04-29T01:13:23.040",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 7.8,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 6.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2013-09-30T22:55:04.633",
"references": [
{
"source": "secalert@redhat.com",
"url": "http://archives.neohapsis.com/archives/bugtraq/2013-03/0025.html"
},
{
"source": "secalert@redhat.com",
"url": "http://archives.neohapsis.com/archives/bugtraq/2013-03/0069.html"
},
{
"source": "secalert@redhat.com",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/52588"
},
{
"source": "secalert@redhat.com",
"url": "http://www.openwall.com/lists/oss-security/2013/03/11/7"
},
{
"source": "secalert@redhat.com",
"url": "http://www.securityfocus.com/bid/58316"
},
{
"source": "secalert@redhat.com",
"url": "http://www.squid-cache.org/Advisories/SQUID-2013_1.txt"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://archives.neohapsis.com/archives/bugtraq/2013-03/0025.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://archives.neohapsis.com/archives/bugtraq/2013-03/0069.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/52588"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.openwall.com/lists/oss-security/2013/03/11/7"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securityfocus.com/bid/58316"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.squid-cache.org/Advisories/SQUID-2013_1.txt"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-20"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2025-11-21T12:39:04+00:00",
"cve": "CVE-2013-1839",
"id": "CVE-2013-1839",
"initial_release_date": "2013-03-05T00:00:00+00:00",
"product_status:known_not_affected": "3",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "Squid: strHdrAcptLangGetItem() infinite CPU loop",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2013/cve-2013-1839.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-05-02T01:37:13Z",
"cve": "CVE-2013-1839",
"id": "CVE-2013-1839",
"initial_release_date": "2023-02-15T05:39:59Z",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2013-1839",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2013-1839.json",
"version": "3"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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