Buffer overflow in Xmlsoft Libxml2
CVE-2015-8710
The htmlParseComment function in HTMLparser.c in libxml2 allows attackers to obtain sensitive information, cause a denial of service (out-of-bounds heap memory access and application crash), or possibly have unspecified other impact via an…
Vulnerability class: Buffer Overflow
EPSS: 0.047 (89.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Xmlsoft Libxml2
- Debian Debian_linux — versions 7.0, 8.0, 9.0
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@debian.org (Third Party Advisory, x_refsource_MISC)
- security@debian.org (x_refsource_CONFIRM, Issue Tracking)
- DSA-3430 (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- [oss-security] 20150913 Re: libxml2 issue: out-of-bounds memory access when parsing an unclosed HTML comment (mailing-list, x_refsource_MLIST, Mailing List)
- RHSA-2016:1089 (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- security@debian.org (x_refsource_CONFIRM, Third Party Advisory)
- [oss-security] 20150419 libxml2 issue: out-of-bounds memory access when parsing an unclosed HTML comment (mailing-list, x_refsource_MLIST, Patch, Mailing List)
- 79811 (Third Party Advisory, VDB Entry, vdb-entry, x_refsource_BID)
- [oss-security] 20151231 Re: libxml2 issue: out-of-bounds memory access when parsing an unclosed HTML comment (mailing-list, x_refsource_MLIST, Mailing List)
Frequently asked questions
- What is CVE-2015-8710?
- CVE-2015-8710 is a critical-severity vulnerability in Xmlsoft Libxml2, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2016-04-11.
- How severe is CVE-2015-8710?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2015-8710 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.