PT-2016-6838 · Gnu+2 · Flex+2

Alexander Sulfrian · Published 2016-08-12 · Updated 2024-12-12 · CVE-2016-6354

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Flex versions prior to 2.6.1

Description A heap-based buffer overflow issue exists in the yy get next buffer function, potentially allowing attackers to cause a denial of service or possibly execute arbitrary code via certain vectors involving num to read.

Recommendations For versions prior to 2.6.1, update to version 2.6.1 or later to resolve the issue.

Fix

DoS

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

ALT-PU-2019-1003

CVE-2016-6354

DSA-3653-1

DSA-3653-2

MGASA-2016-0396

OPENSUSE-SU-2016:2253-1

OPENSUSE-SU-2016:2254-1

OPENSUSE-SU-2017_0356-1

OPENSUSE-SU-2024:10071-1

OPENSUSE-SU-2024:10218-1

OPENSUSE-SU-2024:10230-1

OPENSUSE-SU-2024:14572-1

SUSE-SU-2016:2061-1

SUSE-SU-2016:2131-1

SUSE-SU-2016:2195-1

SUSE-SU-2016:2397-1

SUSE-SU-2017:1442-1

SUSE-SU-2017_1442-1

Affected Products

Alt Linux

Flex

Suse

References · 2220

• https://github.com/westes/flex/commit/a5cbe929ac3255d371e698f62dc256afe7006466 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2016:2195-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-6354 · Vendor Advisory
• https://osv.dev/vulnerability/DSA-3653-2 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/[e-mail]/thread/KZDEYNSCYVEMOKRO6EJOUZS7WM5WB43M · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2016-6354 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2016-6354 · Security Note
• https://osv.dev/vulnerability/MGASA-2016-0396 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2016:2131-1 · Vendor Advisory
• https://osv.dev/vulnerability/DSA-3653-1 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:14572-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2016-6354 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2016-6354 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2024:10230-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2016:2061-1 · Vendor Advisory