CVE-2021-27548
There is a Null Pointer Dereference vulnerability in the XFAScanner::scanNode() function in...
There is a Null Pointer Dereference vulnerability in the XFAScanner::scanNode() function in XFAScanner.cc in xpdf 4.03.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
There is a Null Pointer Dereference vulnerability in the XFAScanner::scanNode() function in XFAScanner.cc in xpdf 4.03.
- Record
CVE-2021-27548- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:N/A:P - Weakness
- CWE-476
- Updated
- 2026-11-02
CVE List No score
There is a Null Pointer Dereference vulnerability in the XFAScanner::scanNode() function in XFAScanner.cc in xpdf 4.03.
- Record
CVE-2021-27548- Updated
- 2026-11-02
EUVDEUVD-2021-14299 No score
There is a Null Pointer Dereference vulnerability in the XFAScanner::scanNode() function in XFAScanner.cc in xpdf 4.03.
- Record
EUVD-2021-14299- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-2gqh-hpcc-jmx2
There is a Null Pointer Dereference vulnerability in the XFAScanner::scanNode() function in...
There is a Null Pointer Dereference vulnerability in the XFAScanner::scanNode() function in XFAScanner.cc in xpdf 4.03.
- Record
GHSA-2gqh-hpcc-jmx2- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-476
- Updated
- 2026-11-02
OSV
There is a Null Pointer Dereference vulnerability in the XFAScanner::scanNode() function in XFAScanner.cc in xpdf 4.03.
- Record
CVE-2021-27548- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2021-27548
There is a Null Pointer Dereference vulnerability in the XFAScanner::scanNode() function in XFAScanner.cc in xpdf 4.03.
- Record
DEBIAN-CVE-2021-27548- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2021-27548
There is a Null Pointer Dereference vulnerability in the XFAScanner::scanNode() function in XFAScanner.cc in xpdf 4.03.
- Record
UBUNTU-CVE-2021-27548- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
texlive-binDebian:12 |
before 2022.20220321.62855-3 | 2022.20220321.62855-3 |
texlive-binDebian:13 |
before 2022.20220321.62855-3 | 2022.20220321.62855-3 |
texlive-binDebian:14 |
before 2022.20220321.62855-3 | 2022.20220321.62855-3 |
texlive-binUbuntu:Pro:16.04:LTS |
All versions, plus listed versions 2015.20150524.37493-5build12015.20150524.37493-72015.20150524.37493-7build12015.20150524.37493-7build42015.20160222.37495-12015.20160222.37495-1ubuntu0.12015.20160222.37495-1ubuntu0.1+esm1 |
None known |
ipeUbuntu:16.04:LTS |
All versions, plus listed versions 7.1.4-2.17.1.8-17.1.10-17.1.10-1.1 |
None known |
xpdfUbuntu:16.04:LTS |
All versions, plus listed versions 3.03-17ubuntu23.03-17ubuntu33.03-17ubuntu53.03-183.04-13.04-1build13.04-1ubuntu13.04-1ubuntu1.1 |
None known |
texlive-binUbuntu:Pro:18.04:LTS |
All versions, plus listed versions 2017.20170613.44572-5build12017.20170613.44572-5build22017.20170613.44572-62017.20170613.44572-6build12017.20170613.44572-6ubuntu1 Show 4 moreShow less2017.20170613.44572-8build12017.20170613.44572-8ubuntu0.12017.20170613.44572-8ubuntu0.22017.20170613.44572-8ubuntu0.2+esm1 |
None known |
ipeUbuntu:18.04:LTS |
All versions, plus listed versions 7.2.7-27.2.7-3 |
None known |
xpdfUbuntu:18.04:LTS |
All versions, plus listed versions 3.04-4build13.04-53.04-5ubuntu23.04-6ubuntu13.04-7 |
None known |
texlive-binUbuntu:Pro:20.04:LTS |
All versions, plus listed versions 2019.20190605.51237-2build12019.20190605.51237-32019.20190605.51237-3build12019.20190605.51237-3build22019.20190605.51237-3ubuntu0.12019.20190605.51237-3ubuntu0.22019.20190605.51237-3ubuntu0.2+esm1 |
None known |
Show 16 moreShow less
| Package | Affected | Fixed |
|---|---|---|
ipeUbuntu:20.04:LTS |
All versions, plus listed versions 7.2.9-17.2.13-27.2.13-2build1 |
None known |
ipeUbuntu:22.04:LTS |
All versions, plus listed versions 7.2.23+dfsg1-27.2.24+dfsg1-17.2.24+dfsg1-1build1 |
None known |
texlive-binUbuntu:22.04:LTS |
All versions, plus listed versions 2020.20200327.54578-72020.20200327.54578-7build12021.20210626.59705-12021.20210626.59705-1build12021.20210626.59705-1ubuntu0.12021.20210626.59705-1ubuntu0.22021.20210626.59705-1ubuntu0.3 |
None known |
xpdfUbuntu:22.04:LTS |
All versions, plus listed versions 3.04+git20210103-3build13.04+git20211021-13.04+git20211021-1ubuntu13.04+git20220201-1 |
None known |
ipeUbuntu:24.04:LTS |
All versions, plus listed versions 7.2.27+dfsg1-27.2.28-27.2.28-2.1build27.2.28-2.1build37.2.28-2.1build4 |
None known |
texlive-binUbuntu:24.04:LTS |
All versions, plus listed versions 2023.20230311.66589-62023.20230311.66589-72023.20230311.66589-82023.20230311.66589-8build12023.20230311.66589-92023.20230311.66589-9build22023.20230311.66589-9build3 |
None known |
xpdfUbuntu:24.04:LTS |
All versions, plus listed versions 3.04+git20220601-1ubuntu13.04+git20220601-1ubuntu23.04+git20231213-13.04+git20240118-13.04+git20240124-1 Show 4 moreShow less3.04+git20240202-13.04+git20240202-1build13.04+git20240202-1build23.04+git20240202-1build3 |
None known |
ipeUbuntu:25.10 |
All versions, plus listed versions 7.2.30-1build1 |
None known |
texlive-binUbuntu:25.10 |
All versions, plus listed versions 2024.20240313.70630+ds-62024.20240313.70630+ds-6ubuntu2 |
None known |
xpdfUbuntu:25.10 |
All versions, plus listed versions 3.04+git20250304-1 |
None known |
ipeUbuntu:26.10 |
All versions, plus listed versions 7.2.30-1build27.2.30-2 |
None known |
texlive-binUbuntu:26.10 |
All versions, plus listed versions 2025.20250727.75242+ds-5build12026.20260303.78225+ds-42026.20260303.78225+ds-5ubuntu1 |
None known |
xpdfUbuntu:26.10 |
All versions, plus listed versions 3.04+git20260220-13.04+git20260220-1ubuntu13.04+git20260802-1 |
None known |
ipeUbuntu:26.04:LTS |
All versions, plus listed versions 7.2.30-1build17.2.30-1build2 |
None known |
texlive-binUbuntu:26.04:LTS |
All versions, plus listed versions 2024.20240313.70630+ds-6ubuntu22025.20250727.75242+ds-4ubuntu22025.20250727.75242+ds-52025.20250727.75242+ds-5build1 |
None known |
xpdfUbuntu:26.04:LTS |
All versions, plus listed versions 3.04+git20250304-13.04+git20250304-1build13.04+git20260220-1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-27548 is a medium vulnerability (CVSS 5.5) in Xpdfreader Xpdf, published May 18, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.75%, the 55th percentile. Fixed in texlive-bin 2022.20220321.62855-3.