CVE-2022-38928
XPDF 4.04 is vulnerable to Null Pointer Dereference in FoFiType1C.cc:2393.
XPDF 4.04 is vulnerable to Null Pointer Dereference in FoFiType1C.cc:2393.
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
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
XPDF 4.04 is vulnerable to Null Pointer Dereference in FoFiType1C.cc:2393.
- Record
CVE-2022-38928- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-476
- Updated
- 2026-11-02
CVE List
XPDF 4.04 is vulnerable to Null Pointer Dereference in FoFiType1C.cc:2393.
- Record
CVE-2022-38928- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-476
- Updated
- 2026-11-02
EUVDEUVD-2022-41475
XPDF 4.04 is vulnerable to Null Pointer Dereference in FoFiType1C.cc:2393.
- Record
EUVD-2022-41475- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-6x2m-4v7j-22h4
XPDF 4.04 is vulnerable to Null Pointer Dereference in FoFiType1C.cc:2393.
XPDF 4.04 is vulnerable to Null Pointer Dereference in FoFiType1C.cc:2393.
- Record
GHSA-6x2m-4v7j-22h4- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-476
- Updated
- 2026-11-02
OSVALPINE-CVE-2022-38928
XPDF 4.04 is vulnerable to Null Pointer Dereference in FoFiType1C.cc:2393.
- Record
ALPINE-CVE-2022-38928- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
OSVUBUNTU-CVE-2022-38928
XPDF 4.04 is vulnerable to Null Pointer Dereference in FoFiType1C.cc:2393.
- Record
UBUNTU-CVE-2022-38928- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVMGASA-2024-0035 No score
Updated xpdf packages fix security vulnerabilities
The updated packages fix security vulnerabilities: Logic bug in text extractor led to invalid memory access. (CVE-2022-30524) Integer overflow in rasterizer. (CVE-2022-30775) PDF object loop in Catalog::countPageTree. (CVE-2022-33108) PDF object loop in AcroForm::scanField. (CVE-2022-36561) Logic bug in JBIG2 decoder. (CVE-2022-38222) PDF object loop in Catalog::countPageTree. (CVE-2022-38334) Missing bounds check in CFF font converter caused null pointer dereference. (CVE-2022-38928) PDF object loop in Catalog::countPageTree. (CVE-2022-41842) Missing bounds check in CFF font parser caused invalid memory access. (CVE-2022-41843) PDF object loop in AcroForm::scanField. (CVE-2022-41844) PDF object loop in Catalog::readPageLabelTree2. (CVE-2022-43071) PDF object loop in Catalog::countPageTree. (CVE-2022-43295) PDF object loop in Catalog::countPageTree. (CVE-2022-45586) PDF object loop in Catalog::countPageTree. (CVE-2022-45587) Divide-by-zero in Xpdf 4.04 due to bad color space object. (CVE-2023-2662) PDF object loop in Catalog::readPageLabelTree2. (CVE-2023-2663) PDF object loop in Catalog::readEmbeddedFileTree. (CVE-2023-2664) Divide-by-zero in Xpdf 4.04 due to very large page size. (CVE-2023-3044) Deadlock in Xpdf 4.04 due to PDF object stream references. (CVE-2023-3436)
- Record
MGASA-2024-0035- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
xpdfAlpine:v3.19 |
before 4.05-r0 | 4.05-r0 |
xpdfAlpine:v3.20 |
before 4.05-r0 | 4.05-r0 |
xpdfAlpine:v3.21 |
before 4.05-r0 | 4.05-r0 |
xpdfAlpine:v3.22 |
before 4.05-r0 | 4.05-r0 |
xpdfAlpine:v3.23 |
before 4.05-r0 | 4.05-r0 |
xpdfAlpine:v3.24 |
before 4.05-r0 | 4.05-r0 |
xpdfMageia:9 From an advisory covering 19 CVEs |
before 4.05-1.mga9 | 4.05-1.mga9 |
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 |
ipeUbuntu:18.04:LTS |
All versions, plus listed versions 7.2.7-27.2.7-3 |
None known |
ipeUbuntu:20.04:LTS |
All versions, plus listed versions 7.2.9-17.2.13-27.2.13-2build1 |
None known |
Show 5 moreShow less
| Package | Affected | Fixed |
|---|---|---|
ipeUbuntu:22.04:LTS |
All versions, plus listed versions 7.2.23+dfsg1-27.2.24+dfsg1-17.2.24+dfsg1-1build1 |
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 |
ipeUbuntu:25.10 |
All versions, plus listed versions 7.2.30-1build1 |
None known |
ipeUbuntu:26.10 |
All versions, plus listed versions 7.2.30-1build27.2.30-2 |
None known |
ipeUbuntu:26.04:LTS |
All versions, plus listed versions 7.2.30-1build17.2.30-1build2 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| affected, aliases, references | OSV | |
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2022-38928 is a high vulnerability (CVSS 7.8) in Xpdfreader Xpdf, published September 21, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.43%, the 37th percentile. Fixed in xpdf 4.05-r0.
References
forum.xpdfreader.com/viewtopic.php?f=3&t=42325&sid=7b08ba9a518a99ce3c5ff40e53fc6421
nvd.nist.gov/vuln/detail/CVE-2022-38928
github.com/advisories/GHSA-6x2m-4v7j-22h4
security.alpinelinux.org/vuln/CVE-2022-38928
advisories.mageia.org/MGASA-2024-0035.html
bugs.mageia.org/show_bug.cgi?id=30812
xpdfreader.com/security-fixes.html
ubuntu.com/security/CVE-2022-38928
cve.org/CVERecord?id=CVE-2022-38928