CVE-2015-8317: canonical ubuntu_linux

Modified

AliasesUBUNTU-CVE-2015-8317DEBIAN-CVE-2015-8317

Published 15-12-2015Last modified 06-08-2024

Vulnerability summary

CVE-2015-8317 is a medium (CVSS 5.0) vulnerability in canonical ubuntu_linux. EPSS estimates a 5.86% chance of exploitation in the next 30 days, higher than 93.2% of scored vulnerabilities. 2 public exploits are recorded.

Priority

Routine

Not severe (CVSS 5, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?

CVSS score

5.0/10

010

Medium · v2.0 (NVD)

EPSS score

5.86%

0%100%

Low · 0.00 pp in 30 days

KEVNot listedNot listed by any tracked catalog.

RansomwareNot flaggedNo ransomware use recorded.

Public exploits2reference

Advisory lineage

Upstream 0 · Downstream 14 · Duplicates 1 · Related 9

DLA-355-1 DSA-3430-1 MGASA-2015-0457 OPENSUSE-SU-2024:10549-1 OPENSUSE-SU-2024:11912-1 OPENSUSE-SU-2024:13165-1+9 more

Timeline

15-12-2015
PublishedVulnerability first disclosed.
06-08-2024
Last modifiedVulnerability information updated.

Description

The xmlParseXMLDecl function in parser.c in libxml2 before 2.9.3 allows context-dependent attackers to obtain sensitive information via an (1) unterminated encoding value or (2) incomplete XML declaration in XML data, which triggers an out-of-bounds heap read.

CVSS metrics

1 score · 1 source · 1 version

v2.05.0

EPSS trend

Probability

5.86%

Chance of exploitation in the next 30 days

Percentile

93%

Versus all other CVEs

30-day change

No change 0.00 pp

From 5.86% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs

CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

2 found

referenceUnverified
Exploit Reference (bugzilla.redhat.com)
Maturity: unknown
referenceUnverified
Exploit Reference (bugzilla.gnome.org)
Maturity: unknown

Weaknesses

CWE · root cause

CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferThe product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary.

Affected systems

Version check

Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.

Redhat4 products

Debian2 products

libxml2< 2.9.2+zdfsg1-4
debian_linuxEOL7.0 | 8.0

Hp2 products

Canonical1 product

ubuntu_linuxEOL12.04 | 14.04 | 15.04 | 15.10

Ubuntu1 product

libxml2< 2.9.1+dfsg1-3ubuntu4.6

Xmlsoft1 product

libxml2≤ 2.9.2

6 vendors · 11 products

References

37 links

lists.opensuse.org/opensuse-updates/2016-01/msg00031.htmlVendor AdvisoryX Refsource SUSE
bugzilla.redhat.com/show_bug.cgi?id=1281930X Refsource CONFIRMExploitIssue Tracking
www.debian.org/security/2015/dsa-3430Vendor AdvisoryX Refsource DEBIANThird Party Advisory
lists.apple.com/archives/security-announce/2016/Jul/msg00003.htmlVendor AdvisoryX Refsource APPLE
lists.apple.com/archives/security-announce/2016/Jul/msg00002.htmlVendor AdvisoryX Refsource APPLE
lists.apple.com/archives/security-announce/2016/Jul/msg00001.htmlVendor AdvisoryX Refsource APPLE
support.apple.com/HT206901X Refsource CONFIRM
rhn.redhat.com/errata/RHSA-2016-1089.htmlVendor AdvisoryX Refsource REDHAT
bugzilla.gnome.org/show_bug.cgi?id=751603X Refsource CONFIRMIssue Tracking
git.gnome.org/browse/libxml2/commit/?id=9aa37588ee78a06ca1379a9d9356eab16686099cX Refsource CONFIRM

Show all 37 references

www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.htmlX Refsource CONFIRM
www.securityfocus.com/bid/91826VDB EntryX Refsource BID
www.ubuntu.com/usn/USN-2834-1Vendor AdvisoryX Refsource UBUNTUThird Party Advisory
lists.apple.com/archives/security-announce/2016/Jul/msg00000.htmlVendor AdvisoryX Refsource APPLE
lists.apple.com/archives/security-announce/2016/Jul/msg00005.htmlVendor AdvisoryX Refsource APPLE
www.securitytracker.com/id/1034243VDB EntryX Refsource SECTRACK
rhn.redhat.com/errata/RHSA-2015-2549.htmlVendor AdvisoryX Refsource REDHATThird Party Advisory
blog.fuzzing-project.org/28-Libxml2-Several-out-of-bounds-reads.htmlX Refsource MISC
marc.info?l=bugtraq&m=145382616617563&w=2Vendor AdvisoryX Refsource HPThird Party Advisory
git.gnome.org/browse/libxml2/commit/?id=709a952110e98621c9b78c4f26462a9d8333102eX Refsource CONFIRM
www.securityfocus.com/bid/77681VDB EntryX Refsource BID
www.openwall.com/lists/oss-security/2015/11/22/3Mailing ListX Refsource MLIST
h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04944172X Refsource CONFIRMThird Party Advisory
www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.htmlX Refsource CONFIRM
www.openwall.com/lists/oss-security/2015/11/21/1Mailing ListX Refsource MLIST
lists.opensuse.org/opensuse-updates/2015-12/msg00120.htmlVendor AdvisoryX Refsource SUSE
support.apple.com/HT206905X Refsource CONFIRM
support.apple.com/HT206903X Refsource CONFIRM
bugzilla.gnome.org/show_bug.cgi?id=751631X Refsource CONFIRMExploitIssue Tracking
support.apple.com/HT206902X Refsource CONFIRM
support.apple.com/HT206904X Refsource CONFIRM
support.apple.com/HT206899X Refsource CONFIRM
ubuntu.com/security/CVE-2015-8317REPORT
seclists.org/oss-sec/2015/q4/354REPORT
ubuntu.com/security/notices/USN-2834-1Advisory
www.cve.org/CVERecord?id=CVE-2015-8317REPORT
security-tracker.debian.org/tracker/CVE-2015-8317Advisory