Low
Security advisory
The ourWriteOut function in tool_writeout.c in curl 7.53.1 might allow physically proximate attackers to obtain sensitive information from process memory in opportunistic circumstances by reading a workstation screen during use of a --write-out argument ending in a '%' character, which leads to a heap-based buffer over-read.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2017-7407
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 12:26 UTC · Revision 1
Source evidence
The ourWriteOut function in tool_writeout.c in curl 7.53.1 might allow physically proximate attackers to obtain sensitive information from process memory in opportunistic circumstances by reading a workstation screen during use of a --write-out argument ending in a '%' character, which leads to a heap-based buffer over-read.
osv:CVE-2017-7407
Complete source record
{
"id": "975693b786879cfd42e1dafa67ffe7da60943781632d54aa8c0a2a1f2109d676",
"url": "https://osv.dev/vulnerability/CVE-2017-7407",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2017-7407",
"summary": "The ourWriteOut function in tool_writeout.c in curl 7.53.1 might allow physically proximate attackers to obtain sensitive information from process memory in opportunistic circumstances by reading a workstation screen during use of a --write-out argument ending in a '%' character, which leads to a heap-based buffer over-read.",
"evidence": "osv:CVE-2017-7407",
"products": [],
"severity": "low",
"structured": {
"id": "CVE-2017-7407",
"aliases": [
"CURL-CVE-2017-7407",
"CVE-2017-7407"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/curl/curl",
"type": "GIT",
"events": [
{
"introduced": "25df50aa3392ecdbf2b8256b93b30558e8b3a810"
},
{
"last_affected": "25df50aa3392ecdbf2b8256b93b30558e8b3a810"
},
{
"fixed": "1890d59905414ab84a35892b2e45833654aa5c13"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:haxx:curl:7.53.1:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.53.1"
},
{
"last_affected": "7.53.1"
}
],
"source": "CPE_STRING"
},
{
"range": [
{
"fixed": "1890d59905414ab84a35892b2e45833654aa5c13"
}
],
"source": "REFERENCES_COMMIT"
}
]
}
}
],
"versions": [
"7.53.1",
"curl-7_53_1"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-7407.json",
"vanir_signatures": [
{
"id": "CVE-2017-7407-503b5770",
"digest": {
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"line_hashes": [
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},
"source": "https://github.com/curl/curl/commit/1890d59905414ab84a35892b2e45833654aa5c13",
"target": {
"file": "src/tool_writeout.c"
},
"deprecated": false,
"signature_type": "Line",
"signature_version": "v1"
},
{
"id": "CVE-2017-7407-defd70e3",
"digest": {
"length": 5508,
"function_hash": "122384078902818575986643295615648528317"
},
"source": "https://github.com/curl/curl/commit/1890d59905414ab84a35892b2e45833654aa5c13",
"target": {
"file": "src/tool_writeout.c",
"function": "ourWriteOut"
},
"deprecated": false,
"signature_type": "Function",
"signature_version": "v1"
}
],
"vanir_signatures_modified": "2026-10-20T13:32:32Z"
}
}
],
"modified": "2026-10-20T13:32:32.432783419Z",
"provider": "osv",
"references": [
"https://access.redhat.com/errata/RHSA-2018:3558",
"https://security.gentoo.org/glsa/201709-14",
"https://github.com/curl/curl/commit/1890d59905414ab84a35892b2e45833654aa5c13"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2017-7407",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 387796,
"published_at": "2017-04-03T20:59:00.247+00:00"
}