7.1

CVE-2017-18926: debian debian_linux Out-of-bounds Write

CVSS: 7.1v3.1HighModified
AliasesSUSE-SU-2020:3350-1SUSE-SU-2020:3351-1SUSE-SU-2020:3352-1
Published 06-11-2020Last modified 05-08-2024

Vulnerability summary

CVE-2017-18926 is a high (CVSS 7.1) Out-of-bounds Write vulnerability in debian debian_linux. EPSS estimates a 3.12% chance of exploitation in the next 30 days, higher than 87.6% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
39/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.1/10
010
High · v3.1 (NVD)
EPSS score
3.12%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 2 · Related 1

Timeline

  1. 06-11-2020
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

raptor_xml_writer_start_element_common in raptor_xml_writer.c in Raptor RDF Syntax Library 2.0.15 miscalculates the maximum nspace declarations for the XML writer, leading to heap-based buffer overflows (sometimes seen in raptor_qname_format_as_xml).

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

3.12%

Chance of exploitation in the next 30 days

Percentile

88%

Versus all other CVEs

30-day change

0.00 pp

From 3.12% on 20-09-2026

20-09-202620-10-2026
EPSS score
3.12%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (openwall.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Suse21 products
  • raptor&distro=HPE Helion OpenStack 8< 2.0.15-5.3.1
  • raptor&distro=SUSE Enterprise Storage 5< 2.0.15-5.3.1
  • raptor&distro=SUSE Linux Enterprise Module for Desktop Applications 15 SP1< 2.0.15-3.3.1
  • raptor&distro=SUSE Linux Enterprise Module for Desktop Applications 15 SP2< 2.0.15-9.3.1
  • raptor&distro=SUSE Linux Enterprise Server 12 SP2-BCL< 2.0.15-5.3.1
Debian2 products
  • raptor2< 2.0.14-1.1 | < 2.0.14-1.1~deb10u1 | < 2.0.14-1+deb9u1
  • debian_linuxEOL9.0 | 10.0
Opensuse2 products
  • raptor&distro=openSUSE Leap 15.1< 2.0.15-lp151.3.3.1
  • raptor&distro=openSUSE Leap 15.2< 2.0.15-lp152.4.3.1
Ubuntu2 products
  • raptor< 1.4.21-11ubuntu0.1~esm1
  • raptor2< 2.0.15-0ubuntu2 | < 2.0.14-1ubuntu0.16.04.1 | < 2.0.14-1ubuntu0.18.04.1 | < 2.0.15-0ubuntu1.20.04.1
Fedoraproject1 product
Librdf1 product

6 vendors · 29 products

References

24 links
Show all 24 references