Vulnerability-Lookup

CNVD-2019-36942

Vulnerability from cnvd - Published: 2019-10-24

Title

libxslt缓冲区溢出漏洞（CNVD-2019-36942）

Description

libxslt是一款XSLT（用于定义XML转换的XML语言）C库。 libxslt 1.1.33版本中的transform.c文件的xsltCopyText存在缓冲区溢出漏洞，攻击者可利用该漏洞导致缓冲区溢出或堆溢出。

Severity

中

Patch Name

libxslt缓冲区溢出漏洞（CNVD-2019-36942）的补丁

Patch Description

libxslt是一款XSLT（用于定义XML转换的XML语言）C库。 libxslt 1.1.33版本中的transform.c文件的xsltCopyText存在缓冲区溢出漏洞，攻击者可利用该漏洞导致缓冲区溢出或堆溢出。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://github.com/GNOME/libxslt

Reference

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15914 https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15746 https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15768https://gitlab.gnome.org/GNOME/libxslt/commit/2232473733b7313d67de8836ea3b29eec6e8e285

Impacted products

Name
libxslt libxslt 1.1.33

Show details on source website

JSON

To clipboard

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    "cve": {
      "cveNumber": "CVE-2019-18197"
    }
  },
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  "number": "CNVD-2019-36942",
  "openTime": "2019-10-24",
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  "serverity": "\u4e2d",
  "submitTime": "2019-10-21",
  "title": "libxslt\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2019-36942\uff09"
}

CVE-2019-18197 (GCVE-0-2019-18197)

Vulnerability from cvelistv5 – Published: 2019-10-18 20:07 – Updated: 2026-05-28 18:27

Summary

In xsltCopyText in transform.c in libxslt 1.1.33, a pointer variable isn't reset under certain circumstances. If the relevant memory area happened to be freed and reused in a certain way, a bounds check could fail and memory outside a buffer could be written to, or uninitialized data could be disclosed.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-05-28 18:27 UTC

CWE

n/a
CWE-416 - Use After Free
CWE-908 - Use of Uninitialized Resource

Assigner

mitre mitre root

References

15 references

URL	Tags
https://gitlab.gnome.org/GNOME/libxslt/commit/223…	x_refsource_MISC
https://bugs.chromium.org/p/oss-fuzz/issues/detai…	x_refsource_MISC
https://bugs.chromium.org/p/oss-fuzz/issues/detai…	x_refsource_MISC
https://bugs.chromium.org/p/oss-fuzz/issues/detai…	x_refsource_MISC
https://usn.ubuntu.com/4164-1/	vendor-advisoryx_refsource_UBUNTU
https://lists.debian.org/debian-lts-announce/2019…	mailing-listx_refsource_MLIST
https://security.netapp.com/advisory/ntap-2019103…	x_refsource_CONFIRM
http://www.openwall.com/lists/oss-security/2019/11/17/2	mailing-listx_refsource_MLIST
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
https://access.redhat.com/errata/RHSA-2020:0514	vendor-advisoryx_refsource_REDHAT
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
https://www.oracle.com/security-alerts/cpuapr2020.html	x_refsource_MISC
https://security.netapp.com/advisory/ntap-2020041…	x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CNVD-2019-36942

CVE-2019-18197 (GCVE-0-2019-18197)

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Related by attack behaviour