PT-2017-10385 · Html5Lib+1 · Html5Lib+1

Salvatore Bonaccorso · CVE-2016-9909 · Published 2017-01-03 · Updated 2024-04-08

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions html5lib versions prior to 0.99999999

Description The issue concerns the mishandling of the < character in attribute values by the serializer in html5lib, potentially allowing remote attackers to conduct cross-site scripting (XSS) attacks.

Recommendations For versions prior to 0.99999999, update to version 0.99999999 or later to resolve the issue.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

ALT-PU-2017-3591

CVE-2016-9909

GHSA-V9V9-XFFQ-RWR4

MGASA-2017-0001

PYSEC-2017-14

Affected Products

Alt Linux

Html5Lib

References · 28

• https://github.com/html5lib/html5lib-python/issues/11 · Vendor Advisory
• https://github.com/html5lib/html5lib-python/commit/9b8d8eb5afbc066b7fac9390f5ec75e5e8a7cab7 · Patch
• https://github.com/html5lib/html5lib-python/issues/12 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2017-0001 · Vendor Advisory
• http://openwall.com/lists/oss-security/2016/12/08/8 · Patch
• http://openwall.com/lists/oss-security/2016/12/06/5 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2016-9909 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2016-9909 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2016-9909 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9909 · Security Note
• https://ubuntu.com/security/CVE-2016-9909 · Vendor Advisory
• https://osv.dev/vulnerability/PYSEC-2017-14 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2016-9909 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-v9v9-xffq-rwr4 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9910 · Security Note