CVE-2026-15308

ADVISORY - nist

Summary

The incremental HTML parser (html.parser.HTMLParser) allows for CPU denial-of-service through repeated unterminated markup declarations when processing uncontrolled data.

EPSS Score⁠: 0.00551 (0.430)

Common Weakness Enumeration (CWE)

ADVISORY - nist

CWE-400⁠

Uncontrolled Resource Consumption

ADVISORY - redhat

CWE-835⁠

Loop with Unreachable Exit Condition ('Infinite Loop')

Impacted images

Advisories

Docker

CREATED

26 days ago

UPDATED

26 days ago

ADVISORY ID

CVE-2026-15308

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

Package	Type	OS Name	OS Version	Affected Ranges	Fix Versions
python	dhi	-	-	<3.15.0-beta4	3.15.0-beta4
alpine/python-3.10	apk	alpine	3.23	<3.15.0-beta4	3.15.0-beta4
alpine/python-3.11	apk	alpine	3.23	<3.15.0-beta4	3.15.0-beta4
alpine/python-3.12	apk	alpine	3.23	<3.15.0-beta4	3.15.0-beta4
alpine/python-3.13	apk	alpine	3.23	<3.15.0-beta4	3.15.0-beta4
alpine/python-3.14	apk	alpine	3.23	<3.15.0-beta4	3.15.0-beta4
debian/python-3.10	deb	debian	13	<3.15.0-beta4	3.15.0-beta4
debian/python-3.11	deb	debian	13	<3.15.0-beta4	3.15.0-beta4
debian/python-3.12	deb	debian	13	<3.15.0-beta4	3.15.0-beta4
debian/python-3.13	deb	debian	13	<3.15.0-beta4	3.15.0-beta4
debian/python-3.14	deb	debian	13	<3.15.0-beta4	3.15.0-beta4

Severity and metrics

No CVSS data available from this advisory.

NIST

CREATED

26 days ago

UPDATED

12 days ago

ADVISORY IDCVE-2026-15308⁠

EXPLOITABILITY SCORE

3.9

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)

CWE-400⁠

CVSS SCORE

8.7high

Debian

CREATED

10 days ago

UPDATED

7 days ago

ADVISORY IDCVE-2026-15308⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

Ubuntu

CREATED

24 days ago

UPDATED

22 days ago

ADVISORY IDCVE-2026-15308⁠

EXPLOITABILITY SCORE

3.9

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

7.5medium

Alma

CREATED

22 days ago

UPDATED

20 days ago

ADVISORY IDALSA-2026:39320⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Alma

CREATED

21 days ago

UPDATED

20 days ago

ADVISORY IDALSA-2026:39771⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Alma

CREATED

21 days ago

UPDATED

20 days ago

ADVISORY IDALSA-2026:39798⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Alma

CREATED

21 days ago

UPDATED

19 days ago

ADVISORY IDALSA-2026:39893⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Alma

CREATED

16 days ago

UPDATED

14 days ago

ADVISORY IDALSA-2026:41949⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Amazon

CREATED

1 day ago

UPDATED

1 day ago

ADVISORY IDALAS2023-2026-1995⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Amazon

CREATED

1 day ago

UPDATED

1 day ago

ADVISORY IDALAS2023-2026-1996⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Amazon

CREATED

1 day ago

UPDATED

1 day ago

ADVISORY IDALAS2023-2026-1997⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Amazon

CREATED

1 day ago

UPDATED

1 day ago

ADVISORY IDALAS2023-2026-1998⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Amazon

CREATED

1 day ago

UPDATED

1 day ago

ADVISORY IDALAS2023-2026-1999⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Bitnami

CREATED

23 days ago

UPDATED

23 days ago

ADVISORY ID

BIT-libpython-2026-15308

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

8.7high

Bitnami

CREATED

23 days ago

UPDATED

23 days ago

ADVISORY ID

BIT-python-2026-15308

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

8.7high

Bitnami

CREATED

23 days ago

UPDATED

23 days ago

ADVISORY ID

BIT-python-min-2026-15308

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

8.7high

Red Hat

CREATED

26 days ago

UPDATED

25 days ago

ADVISORY IDCVE-2026-15308⁠

EXPLOITABILITY SCORE

3.9

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)

CWE-835⁠

CVSS SCORE

7.5high

Rocky

CREATED

20 days ago

UPDATED

20 days ago

ADVISORY IDRLSA-2026:39183⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Rocky

CREATED

20 days ago

UPDATED

20 days ago

ADVISORY IDRLSA-2026:39320⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Rocky

CREATED

19 days ago

UPDATED

19 days ago

ADVISORY IDRLSA-2026:39771⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Rocky

CREATED

19 days ago

UPDATED

19 days ago

ADVISORY IDRLSA-2026:39798⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Rocky

CREATED

20 days ago

UPDATED

20 days ago

ADVISORY IDRLSA-2026:39893⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Rocky

CREATED

13 days ago

UPDATED

13 days ago

ADVISORY IDRLSA-2026:40856⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Rocky

CREATED

13 days ago

UPDATED

13 days ago

ADVISORY IDRLSA-2026:41949⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Oracle

CREATED

20 days ago

UPDATED

20 days ago

ADVISORY IDELSA-2026-39183⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Oracle

CREATED

21 days ago

UPDATED

21 days ago

ADVISORY IDELSA-2026-39320⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Oracle

CREATED

20 days ago

UPDATED

20 days ago

ADVISORY IDELSA-2026-39771⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Oracle

CREATED

20 days ago

UPDATED

20 days ago

ADVISORY IDELSA-2026-39798⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Oracle

CREATED

21 days ago

UPDATED

21 days ago

ADVISORY IDELSA-2026-39893⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Oracle

CREATED

20 days ago

UPDATED

20 days ago

ADVISORY IDELSA-2026-40856⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Oracle

CREATED

15 days ago

UPDATED

15 days ago

ADVISORY IDELSA-2026-41949⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Chainguard

CREATED

8 days ago

UPDATED

8 days ago

ADVISORY ID

CGA-mq6v-qm72-mrxm

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

3 days ago

UPDATED

3 days ago

ADVISORY ID

MINI-5825-c5x3-6mv2

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

3 days ago

UPDATED

3 days ago

ADVISORY ID

MINI-h373-2x6g-qvvj

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY