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Fencer Vulns
medium 6.5

CVE-2021-44960 json

In SVGPP SVG++ library 1.3.0, the XMLDocument::getRoot function in the renderDocument function handled the XMLDocument object improperly, r…

published 2022-02-15 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-31758

cvss
6.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.2%
EPSS 1.2% chance of exploitation in 30 days, percentile 67%
public exploits
0
none known

Summary

In SVGPP SVG++ library 1.3.0, the XMLDocument::getRoot function in the renderDocument function handled the XMLDocument object improperly, returning a null pointer in advance at the second if, resulting in a null pointer reference behind the renderDocument function.

Patch / fix

  • svgpp Debian 14, Debian 13, Debian 12 1.3.0+dfsg1-5

debian advisories DEBIAN-CVE-2021-44960

  • svgpp Ubuntu 22.04 LTS 1.3.0+dfsg1-3ubuntu2.22.04.1
  • svgpp Ubuntu Pro 18.04 LTS 1.2.3+dfsg1-3ubuntu1+esm1

ubuntu advisories UBUNTU-CVE-2021-44960

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Exploit prediction

1.18% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/svgpp/svgpp/issues/101 referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/svgpp/svgpp/issues/101.aa referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.