Vulnerability identifier: #VU96488

Vulnerability risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-46051

CWE-ID: CWE-476

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
texlive
Client/Desktop applications / Other client software

Vendor: TeX Users Group

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in texk/web2c/pdftexdir/tounicode.c. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

texlive: All versions

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External links
http://tug.org/pipermail/tex-live/2023-August/049406.html
http://seclists.org/fulldisclosure/2024/Jan/68

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.