CVE-2022-37434 (GCVE-0-2022-37434)
Vulnerability from cvelistv5 – Published: 2022-08-05 00:00 – Updated: 2026-07-14 11:54
VLAI
EPSS
VEX
Summary
zlib through 1.2.12 has a heap-based buffer over-read or buffer overflow in inflate in inflate.c via a large gzip header extra field. NOTE: only applications that call inflateGetHeader are affected. Some common applications bundle the affected zlib source code but may be unable to call inflateGetHeader (e.g., see the nodejs/node reference).
Severity
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-01-30 19:09 UTC
CWE
- n/a
- CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Assigner
References
32 references
Impacted products
15 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Siemens | CADRA |
Affected:
0 , < V2511
(custom)
|
guessed | |
| Siemens | RUGGEDCOM ROX MX5000 |
Affected:
0 , < V2.17.0
(custom)
|
guessed | |
| Siemens | RUGGEDCOM ROX MX5000RE |
Affected:
0 , < V2.17.0
(custom)
|
guessed | |
| Siemens | RUGGEDCOM ROX RX1400 |
Affected:
0 , < V2.17.0
(custom)
|
guessed | |
| Siemens | RUGGEDCOM ROX RX1500 |
Affected:
0 , < V2.17.0
(custom)
|
guessed | |
| Siemens | RUGGEDCOM ROX RX1501 |
Affected:
0 , < V2.17.0
(custom)
|
guessed | |
| Siemens | RUGGEDCOM ROX RX1510 |
Affected:
0 , < V2.17.0
(custom)
|
guessed | |
| Siemens | RUGGEDCOM ROX RX1511 |
Affected:
0 , < V2.17.0
(custom)
|
guessed | |
| Siemens | RUGGEDCOM ROX RX1512 |
Affected:
0 , < V2.17.0
(custom)
|
guessed | |
| Siemens | RUGGEDCOM ROX RX1524 |
Affected:
0 , < V2.17.0
(custom)
|
guessed | |
| Siemens | RUGGEDCOM ROX RX1536 |
Affected:
0 , < V2.17.0
(custom)
|
guessed | |
| Siemens | RUGGEDCOM ROX RX5000 |
Affected:
0 , < V2.17.0
(custom)
|
guessed | |
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.0 , < V3.1.5
(custom)
|
guessed | |
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP |
Affected:
V3.1.0 , < V3.1.5
(custom)
|
guessed | |
| Siemens | SIPLUS S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.0 , < V3.1.5
(custom)
|
guessed |
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"references": [
{
"tags": [
"exploit"
],
"url": "https://github.com/curl/curl/issues/9271"
}
],
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "unknown",
"version": "n/a"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "zlib through 1.2.12 has a heap-based buffer over-read or buffer overflow in inflate in inflate.c via a large gzip header extra field. NOTE: only applications that call inflateGetHeader are affected. Some common applications bundle the affected zlib source code but may be unable to call inflateGetHeader (e.g., see the nodejs/node reference)."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "n/a",
"lang": "en"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-05-02T17:08:24.912Z",
"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"shortName": "mitre"
},
"references": [
{
"url": "https://github.com/ivd38/zlib_overflow"
},
{
"url": "https://github.com/madler/zlib/commit/eff308af425b67093bab25f80f1ae950166bece1"
},
{
"url": "https://github.com/madler/zlib/blob/21767c654d31d2dccdde4330529775c6c5fd5389/zlib.h#L1062-L1063"
},
{
"url": "https://github.com/nodejs/node/blob/75b68c6e4db515f76df73af476eccf382bbcb00a/deps/zlib/inflate.c#L762-L764"
},
{
"name": "[oss-security] 20220805 zlib buffer overflow",
"tags": [
"mailing-list"
],
"url": "http://www.openwall.com/lists/oss-security/2022/08/05/2"
},
{
"url": "https://github.com/curl/curl/issues/9271"
},
{
"name": "[oss-security] 20220808 Re: zlib buffer overflow",
"tags": [
"mailing-list"
],
"url": "http://www.openwall.com/lists/oss-security/2022/08/09/1"
},
{
"name": "FEDORA-2022-25e4dbedf9",
"tags": [
"vendor-advisory"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YRQAI7H4M4RQZ2IWZUEEXECBE5D56BH2/"
},
{
"name": "DSA-5218",
"tags": [
"vendor-advisory"
],
"url": "https://www.debian.org/security/2022/dsa-5218"
},
{
"name": "FEDORA-2022-15da0cf165",
"tags": [
"vendor-advisory"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NMBOJ77A7T7PQCARMDUK75TE6LLESZ3O/"
},
{
"url": "https://security.netapp.com/advisory/ntap-20220901-0005/"
},
{
"name": "FEDORA-2022-b8232d1cca",
"tags": [
"vendor-advisory"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JWN4VE3JQR4O2SOUS5TXNLANRPMHWV4I/"
},
{
"name": "[debian-lts-announce] 20220912 [SECURITY] [DLA 3103-1] zlib security update",
"tags": [
"mailing-list"
],
"url": "https://lists.debian.org/debian-lts-announce/2022/09/msg00012.html"
},
{
"name": "FEDORA-2022-3c28ae0cd8",
"tags": [
"vendor-advisory"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X5U7OTKZSHY2I3ZFJSR2SHFHW72RKGDK/"
},
{
"name": "FEDORA-2022-0b517a5397",
"tags": [
"vendor-advisory"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PAVPQNCG3XRLCLNSQRM3KAN5ZFMVXVTY/"
},
{
"url": "https://support.apple.com/kb/HT213489"
},
{
"url": "https://support.apple.com/kb/HT213488"
},
{
"url": "https://support.apple.com/kb/HT213494"
},
{
"url": "https://support.apple.com/kb/HT213493"
},
{
"url": "https://support.apple.com/kb/HT213491"
},
{
"url": "https://support.apple.com/kb/HT213490"
},
{
"name": "20221030 APPLE-SA-2022-10-27-5 Additional information for APPLE-SA-2022-10-24-2 macOS Ventura 13",
"tags": [
"mailing-list"
],
"url": "http://seclists.org/fulldisclosure/2022/Oct/41"
},
{
"name": "20221030 APPLE-SA-2022-10-27-2 Additional information for APPLE-SA-2022-10-24-1 iOS 16.1 and iPadOS 16",
"tags": [
"mailing-list"
],
"url": "http://seclists.org/fulldisclosure/2022/Oct/38"
},
{
"name": "20221030 APPLE-SA-2022-10-27-1 iOS 15.7.1 and iPadOS 15.7.1",
"tags": [
"mailing-list"
],
"url": "http://seclists.org/fulldisclosure/2022/Oct/37"
},
{
"name": "20221030 APPLE-SA-2022-10-27-6 Additional information for APPLE-SA-2022-10-24-3 macOS Monterey 12.6.1",
"tags": [
"mailing-list"
],
"url": "http://seclists.org/fulldisclosure/2022/Oct/42"
},
{
"url": "https://security.netapp.com/advisory/ntap-20230427-0007/"
},
{
"url": "https://github.com/madler/zlib/commit/1eb7682f845ac9e9bf9ae35bbfb3bad5dacbd91d"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"assignerShortName": "mitre",
"cveId": "CVE-2022-37434",
"datePublished": "2022-08-05T00:00:00.000Z",
"dateReserved": "2022-08-05T00:00:00.000Z",
"dateUpdated": "2026-07-14T11:54:11.553Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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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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