PT-2023-9178 · Jtidy+3 · Jtidy+3

Poppingsnack · Published 2023-06-14 · Updated 2026-03-20 · CVE-2023-34623

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions jtidy versions thru r938

Description The issue is related to a stack overflow error in the jtidy library, which is used for cleaning and validating HTML code. Exploitation of this issue can allow a remote attacker to cause a denial of service or other unspecified impacts via a crafted object that uses cyclic dependencies.

Recommendations For jtidy versions thru r938, consider disabling the use of cyclic dependencies in crafted objects until a patch is available. As a temporary workaround, restrict the use of jtidy library to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

BDU:2024-04425

CVE-2023-34623

OESA-2026-1657

OPENSUSE-SU-2023_3164-1

OPENSUSE-SU-2024:13152-1

SUSE-SU-2023:3016-1

SUSE-SU-2023:3164-1

SUSE-SU-2023:3165-1

SUSE-SU-2023_3016-1

SUSE-SU-2023_3164-1

SUSE-SU-2023_3165-1

Affected Products

Debian

Red Os

Suse

Jtidy

References · 24

• 🔥 https://github.com/trajano/jtidy/issues/4 · Exploit
• https://osv.dev/vulnerability/CVE-2023-34623 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:13152-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-34623 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2023:3016-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-34623 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2023:3164-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-34623 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2023:3165-1 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2026-1657 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2023-34623 · Vendor Advisory
• https://bdu.fstec.ru/vul/2024-04425 · Security Note
• https://cve.org/CVERecord?id=CVE-2023-34623 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-34623 · Vendor Advisory
• https://suse.com/support/update/announcement/2023/suse-su-20233016-1 · Note