Low
Out-of-memory when loading Plist
Type: advisorySources: OSV
When loading a plist file, the plistlib module reads data in size specified by the file itself, meaning a malicious file can cause OOM and DoS issues
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2025-13837
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 4 Nov 2026, 03:05 UTC · Revision 1
Source evidence
When loading a plist file, the plistlib module reads data in size specified by the file itself, meaning a malicious file can cause OOM and DoS issues
osv:CVE-2025-13837
Complete source record
{
"id": "ec9d48770a80406b16d1de9231483d2f096abada1f2b2d5bbb8657214cbeecf7",
"url": "https://osv.dev/vulnerability/CVE-2025-13837",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Out-of-memory when loading Plist",
"summary": "When loading a plist file, the plistlib module reads data in size specified by the file itself, meaning a malicious file can cause OOM and DoS issues",
"evidence": "osv:CVE-2025-13837",
"products": [],
"severity": "low",
"structured": {
"id": "CVE-2025-13837",
"aliases": [
"BIT-libpython-2025-13837",
"BIT-python-2025-13837",
"BIT-python-min-2025-13837",
"CVE-2025-13837",
"PSF-2025-15"
],
"metrics": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:L/SA:N"
}
],
"affected": [
{
"ranges": [
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"repo": "https://github.com/python/cpython",
"type": "GIT",
"events": [
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"introduced": "0"
},
{
"fixed": "4fd884356d7f29b2a07a4274bef04998ac96d529"
},
{
"introduced": "ebf955df7a89ed0c7968f79faec1de49f61ed7cb"
},
{
"fixed": "57e0d177c26d4a508ef46adae9cbae46fca39f70"
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{
"fixed": "568342cfc8f002d9a15f30238f26b9d2e0e79036"
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{
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{
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{
"fixed": "b64441e4852383645af5b435411a6f849dd1b4cb"
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{
"fixed": "cefee7d118a26ef6cd43db59bb9d98ca9a331111"
}
],
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"cpe": "cpe:2.3:a:python:python:*:*:*:*:*:*:*:*",
"range": [
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"introduced": "0"
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{
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],
"modified": "2026-10-28T02:30:33.024059742Z",
"provider": "osv",
"references": [
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/13xxx/CVE-2025-13837.json",
"https://mail.python.org/archives/list/security-announce@python.org/thread/2X5IBCJXRQAZ5PSERLHMSJFBHFR3QM2C/",
"https://nvd.nist.gov/vuln/detail/CVE-2025-13837",
"https://github.com/python/cpython/issues/119342",
"https://github.com/python/cpython/commit/568342cfc8f002d9a15f30238f26b9d2e0e79036",
"https://github.com/python/cpython/commit/5a8b19677d818fb41ee55f310233772e15aa1a2b",
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"https://github.com/python/cpython/pull/119343",
"https://github.com/python/cpython"
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"provider_metadata": {
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}
},
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{
"value": "CVE-2025-13837",
"evidence": "/id"
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],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 499891,
"published_at": "2025-12-01T18:13:32.739+00:00"
}