CVE-2015-8853 (GCVE-0-2015-8853)
Vulnerability from cvelistv5 – Published: 2016-05-25 15:00 – Updated: 2024-08-06 08:29
VLAI
EPSS
VEX
Summary
The (1) S_reghop3, (2) S_reghop4, and (3) S_reghopmaybe3 functions in regexec.c in Perl before 5.24.0 allow context-dependent attackers to cause a denial of service (infinite loop) via crafted utf-8 data, as demonstrated by "a\x80."
Severity
7.5 (High)
CWE
- n/a
Assigner
References
13 references
| URL | Tags |
|---|---|
| https://security.gentoo.org/glsa/201701-75 | vendor-advisoryx_refsource_GENTOO |
| http://www.openwall.com/lists/oss-security/2016/04/20/7 | mailing-listx_refsource_MLIST |
| https://usn.ubuntu.com/3625-2/ | vendor-advisoryx_refsource_UBUNTU |
| http://www.openwall.com/lists/oss-security/2016/04/20/5 | mailing-listx_refsource_MLIST |
| https://rt.perl.org/Public/Bug/Display.html?id=123562 | x_refsource_CONFIRM |
| http://www.oracle.com/technetwork/topics/security… | x_refsource_CONFIRM |
| http://www.oracle.com/technetwork/topics/security… | x_refsource_CONFIRM |
| http://www.securityfocus.com/bid/86707 | vdb-entryx_refsource_BID |
| https://bugzilla.redhat.com/show_bug.cgi?id=1329106 | x_refsource_CONFIRM |
| https://h20566.www2.hpe.com/portal/site/hpsc/publ… | x_refsource_CONFIRM |
| http://perl5.git.perl.org/perl.git/commitdiff/22b… | x_refsource_CONFIRM |
| https://usn.ubuntu.com/3625-1/ | vendor-advisoryx_refsource_UBUNTU |
| http://lists.fedoraproject.org/pipermail/package-… | vendor-advisoryx_refsource_FEDORA |
Date Public
2015-01-07 00:00
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"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 5.0,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV30": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.0"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2016-05-25T15:59:01.473",
"references": [
{
"source": "security@debian.org",
"url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183592.html"
},
{
"source": "security@debian.org",
"tags": [
"Vendor Advisory"
],
"url": "http://perl5.git.perl.org/perl.git/commitdiff/22b433eff9a1ffa2454e18405a56650f07b385b5"
},
{
"source": "security@debian.org",
"url": "http://www.openwall.com/lists/oss-security/2016/04/20/5"
},
{
"source": "security@debian.org",
"url": "http://www.openwall.com/lists/oss-security/2016/04/20/7"
},
{
"source": "security@debian.org",
"url": "http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html"
},
{
"source": "security@debian.org",
"url": "http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html"
},
{
"source": "security@debian.org",
"url": "http://www.securityfocus.com/bid/86707"
},
{
"source": "security@debian.org",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1329106"
},
{
"source": "security@debian.org",
"url": "https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731"
},
{
"source": "security@debian.org",
"url": "https://rt.perl.org/Public/Bug/Display.html?id=123562"
},
{
"source": "security@debian.org",
"url": "https://security.gentoo.org/glsa/201701-75"
},
{
"source": "security@debian.org",
"url": "https://usn.ubuntu.com/3625-1/"
},
{
"source": "security@debian.org",
"url": "https://usn.ubuntu.com/3625-2/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183592.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "http://perl5.git.perl.org/perl.git/commitdiff/22b433eff9a1ffa2454e18405a56650f07b385b5"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.openwall.com/lists/oss-security/2016/04/20/5"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.openwall.com/lists/oss-security/2016/04/20/7"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securityfocus.com/bid/86707"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1329106"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://rt.perl.org/Public/Bug/Display.html?id=123562"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://security.gentoo.org/glsa/201701-75"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://usn.ubuntu.com/3625-1/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://usn.ubuntu.com/3625-2/"
}
],
"sourceIdentifier": "security@debian.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-20"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2026-04-19T19:43:43+00:00",
"cve": "CVE-2015-8853",
"id": "CVE-2015-8853",
"initial_release_date": "2015-01-07T00:00:00+00:00",
"product_status:fixed": "4",
"product_status:known_affected": "126",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "perl: regexp matching hangs indefinitely on illegal UTF-8 input",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2015/cve-2015-8853.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-09-01T02:24:19Z",
"cve": "CVE-2015-8853",
"id": "CVE-2015-8853",
"initial_release_date": "2023-02-15T05:10:46Z",
"product_status:known_affected": "59",
"product_status:recommended": "119",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2015-8853",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2015-8853.json",
"version": "18"
}
}
}
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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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