UnratedFix available
Fix CVE(s): CVE-2026-15308
Type: advisorySources: OSV
* SECURITY UPDATE: quadratic-complexity denial of service in HTMLParser incremental parsing - debian/patches/CVE-2026-15308.patch: accumulate feed() data in a list in Lib/HTMLParser.py so an unterminated markup construct fed across many feed() calls is no longer rescanned and reconcatenated on every call; adds a regression test in Lib/test/test_htmlparser.py. - CVE-2026-15308
- Products
- idle-python2.7, libpython2.7, libpython2.7-dev, libpython2.7-minimal, libpython2.7-stdlib, libpython2.7-testsuite, python2.7, python2.7-dev, python2.7-doc, python2.7-examples, python2.7-minimal
- Affected versions
- Not specified
- Fixed versions
- 2.7.17-1~18.04ubuntu1.11+tuxcare.els15
- CVEs
- CVE-2026-15308
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 11:09 UTC · Revision 1
Source evidence
* SECURITY UPDATE: quadratic-complexity denial of service in HTMLParser incremental parsing - debian/patches/CVE-2026-15308.patch: accumulate feed() data in a list in Lib/HTMLParser.py so an unterminated markup construct fed across many feed() calls is no longer rescanned and reconcatenated on every call; adds a regression test in Lib/test/test_htmlparser.py. - CVE-2026-15308
osv:CLSA-2026-1784798564
idle-python2.7
Fixed versions: 2.7.17-1~18.04ubuntu1.11+tuxcare.els15
libpython2.7
Fixed versions: 2.7.17-1~18.04ubuntu1.11+tuxcare.els15
libpython2.7-dev
Fixed versions: 2.7.17-1~18.04ubuntu1.11+tuxcare.els15
libpython2.7-minimal
Fixed versions: 2.7.17-1~18.04ubuntu1.11+tuxcare.els15
libpython2.7-stdlib
Fixed versions: 2.7.17-1~18.04ubuntu1.11+tuxcare.els15
libpython2.7-testsuite
Fixed versions: 2.7.17-1~18.04ubuntu1.11+tuxcare.els15
python2.7
Fixed versions: 2.7.17-1~18.04ubuntu1.11+tuxcare.els15
python2.7-dev
Fixed versions: 2.7.17-1~18.04ubuntu1.11+tuxcare.els15
python2.7-doc
Fixed versions: 2.7.17-1~18.04ubuntu1.11+tuxcare.els15
python2.7-examples
Fixed versions: 2.7.17-1~18.04ubuntu1.11+tuxcare.els15
python2.7-minimal
Fixed versions: 2.7.17-1~18.04ubuntu1.11+tuxcare.els15
Complete source record
{
"id": "88e070f37cfdc3b3e59cfa89618a9472a47ea61925913b7f858ccdc25c04c4e2",
"url": "https://osv.dev/vulnerability/CLSA-2026-1784798564",
"method": "structured",
"payload": {
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"title": "Fix CVE(s): CVE-2026-15308",
"summary": "* SECURITY UPDATE: quadratic-complexity denial of service in HTMLParser incremental parsing - debian/patches/CVE-2026-15308.patch: accumulate feed() data in a list in Lib/HTMLParser.py so an unterminated markup construct fed across many feed() calls is no longer rescanned and reconcatenated on every call; adds a regression test in Lib/test/test_htmlparser.py. - CVE-2026-15308",
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"modified": "2026-10-26T09:31:47.561384087Z",
"provider": "osv",
"upstream": [
"CVE-2026-15308"
],
"references": [
"https://errata.tuxcare.com/els_os/ubuntu18.04els/CLSA-2026-1784798564.html",
"https://nvd.nist.gov/vuln/detail/CVE-2026-15308"
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"security_relevant": true,
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"source_id": "core-osv",
"document_id": 448503,
"published_at": "2026-07-23T09:23:09+00:00"
}