Fedora 31 update for libxslt

Published: 2019-10-14 | Updated: 2025-04-25

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2019-13117 CVE-2019-13118
CWE-ID	CWE-200
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	Fedora Operating systems & Components / Operating system libxslt Operating systems & Components / Operating system package or component
Vendor	Fedoraproject

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Information disclosure

EUVDB-ID: #VU18965

Risk: Low

CVSSv4.0: 0.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2019-13117

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to information disclosure in numbers.c in libxslt library where an xsl:number with certain format strings could lead to a uninitialized read in xsltNumberFormatInsertNumbers. A remote attacker can gain knowledge whether a byte on the stack contains the characters A, a, I, i, or 0, or any other character.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Fedora: 31

libxslt: All versions

CPE2.3

External links

https://bodhi.fedoraproject.org/updates/FEDORA-2019-fdf6ec39b4

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.

2) Information disclosure

EUVDB-ID: #VU18966