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🛡️ CVE-2019-13117 — nokogiri

⚪ Unknown ✅ No Known Exploit CWE-908 OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Uninitialized read in Nokogiri gem

In numbers.c in libxslt 1.1.33, an xsl:number with certain format strings could lead to a uninitialized read in xsltNumberFormatInsertNumbers. This could allow an attacker to discern whether a byte on the stack contains the characters A, a, I, i, or 0, or any other character.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality low, integrity none, availability none.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

  • Attack vector: Network — reachable from anywhere that can route to the service.
  • Attack complexity: Low — the attack works reliably, with no preparation.
  • Privileges required: None — an unauthenticated stranger can try it.
  • User interaction: None — nobody has to be tricked into anything.
  • Scope: Unchanged — the damage stays inside the vulnerable component.
  • Confidentiality impact: Low — limited, and the attacker does not choose what is affected.
  • Integrity impact: None.
  • Availability impact: None.

Weakness class

CVE-2019-13117 is classified as CWE-908: Use of Uninitialized Resource. A resource is read before being initialised, so its contents are whatever was left there.

Affected software

CVE-2019-13117 is recorded against 1 package.

  • nokogiri (fixed in 1.10.5)

Timeline and source

Published on 24 May 2022 and last revised on 10 June 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

nvd.nist.gov (Advisory)
github.com (Web)
www.oracle.com (Web)
usn.ubuntu.com (Web)
security.netapp.com (Web)
security.netapp.com (Web)
oss-fuzz.com (Web)
lists.fedoraproject.org (Web)
lists.fedoraproject.org (Web)
lists.debian.org (Web)
lists.apache.org (Web)
lists.apache.org (Web)
lists.apache.org (Web)
lists.apache.org (Web)
gitlab.gnome.org (Web)
github.com (Web)
bugs.chromium.org (Web)
lists.opensuse.org (Web)
www.openwall.com (Web)

Other advisories for this package

nokogiri has other advisories on record. If you are patching this one, these are worth checking on the same host:

Same weakness in other software

These advisories are the same class of weakness (CWE-908: Use of Uninitialized Resource) in other software:

Details

Severity Unknown
CVSS Score N/A
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CWE CWE-908
Public Exploit ✅ No
Source OSV
Published 2022-05-24
Updated 2026-08-20
Modified 2026-06-10
Fix URL N/A

Affected Packages

Software From version Fixed in
nokogiri — 1.10.5

References

Similar Threats

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ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.

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