FKIE_CVE-2015-8853
Vulnerability from fkie_nvd - Published: 2016-05-25 15:59 - Updated: 2026-06-17 00:35
Severity
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."
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| fedoraproject | fedora | 22 | |
| perl | perl | * |
{
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"versions": [
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"source": "security@debian.org"
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"configurations": [
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"cveTags": [],
"descriptions": [
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"lang": "en",
"value": "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.\""
},
{
"lang": "es",
"value": "Las funciones (1) S_reghop3, (2) S_reghop4 y (3) S_reghopmaybe3 en regexec.c en Perl en versiones anteriores a 5.24.0 permiten a atacantes dependientes del contexto provocar una denegaci\u00f3n de servicio (bucle infinito) a trav\u00e9s de datos utf-8 manipulados, seg\u00fan lo demostrado por \"a\\x80\"."
}
],
"id": "CVE-2015-8853",
"lastModified": "2026-06-17T00:35:22.187",
"metrics": {
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"published": "2016-05-25T15:59:01.473",
"references": [
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"url": "http://www.openwall.com/lists/oss-security/2016/04/20/5"
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"url": "http://www.openwall.com/lists/oss-security/2016/04/20/7"
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{
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"url": "http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html"
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"url": "http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html"
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"url": "http://www.securityfocus.com/bid/86707"
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1329106"
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},
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"source": "security@debian.org",
"url": "https://rt.perl.org/Public/Bug/Display.html?id=123562"
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{
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"url": "https://security.gentoo.org/glsa/201701-75"
},
{
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"url": "https://usn.ubuntu.com/3625-1/"
},
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"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"
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{
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"tags": [
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"url": "http://perl5.git.perl.org/perl.git/commitdiff/22b433eff9a1ffa2454e18405a56650f07b385b5"
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"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"
},
{
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1329106"
},
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"url": "https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731"
},
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{
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"url": "https://security.gentoo.org/glsa/201701-75"
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"url": "https://usn.ubuntu.com/3625-1/"
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"sourceIdentifier": "security@debian.org",
"vulnStatus": "Modified",
"weaknesses": [
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"value": "CWE-20"
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"source": "nvd@nist.gov",
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}
]
}
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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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