CVE-2019-12493
A stack-based buffer over-read exists in PostScriptFunction::transform in Function.cc in Xpdf 4...
A stack-based buffer over-read exists in PostScriptFunction::transform in Function.cc in Xpdf 4.01.01 because GfxSeparationColorSpace and GfxDeviceNColorSpace mishandle tint transform functions. It can, for example, be triggered by sending a crafted PDF document to the pdftops tool. It might allow an attacker to cause Denial of Service or leak memory data.
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
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
A stack-based buffer over-read exists in PostScriptFunction::transform in Function.cc in Xpdf 4.01.01 because GfxSeparationColorSpace and GfxDeviceNColorSpace mishandle tint transform functions. It can, for example, be triggered by sending a crafted PDF document to the pdftops tool. It might allow an attacker to cause Denial of Service or leak memory data.
- Record
CVE-2019-12493- CVSS 3.0
- 7.1 High
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H - CVSS 2.0
- 5.8 Medium
AV:N/AC:M/Au:N/C:P/I:N/A:P - Weakness
- CWE-125
- Updated
- 2026-11-02
CVE List No score
A stack-based buffer over-read exists in PostScriptFunction::transform in Function.cc in Xpdf 4.01.01 because GfxSeparationColorSpace and GfxDeviceNColorSpace mishandle tint transform functions. It can, for example, be triggered by sending a crafted PDF document to the pdftops tool. It might allow an attacker to cause Denial of Service or leak memory data.
- Record
CVE-2019-12493- Updated
- 2026-11-02
EUVDEUVD-2019-4089 No score
A stack-based buffer over-read exists in PostScriptFunction::transform in Function.cc in Xpdf 4.01.01 because GfxSeparationColorSpace and GfxDeviceNColorSpace mishandle tint transform functions. It can, for example, be triggered by sending a crafted PDF document to the pdftops tool. It might allow an attacker to cause Denial of Service or leak memory data.
- Record
EUVD-2019-4089- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-2856-2658-h48j
A stack-based buffer over-read exists in PostScriptFunction::transform in Function.cc in Xpdf 4...
A stack-based buffer over-read exists in PostScriptFunction::transform in Function.cc in Xpdf 4.01.01 because GfxSeparationColorSpace and GfxDeviceNColorSpace mishandle tint transform functions. It can, for example, be triggered by sending a crafted PDF document to the pdftops tool. It might allow an attacker to cause Denial of Service or leak memory data.
- Record
GHSA-2856-2658-h48j- CVSS 3.0
- 7.1 High
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H - Weakness
- CWE-125
- Updated
- 2026-11-02
OSV
A stack-based buffer over-read exists in PostScriptFunction::transform in Function.cc in Xpdf 4.01.01 because GfxSeparationColorSpace and GfxDeviceNColorSpace mishandle tint transform functions. It can, for example, be triggered by sending a crafted PDF document to the pdftops tool. It might allow an attacker to cause Denial of Service or leak memory data.
- Record
CVE-2019-12493- CVSS 3.0
- 7.1 High
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2019-12493
A stack-based buffer over-read exists in PostScriptFunction::transform in Function.cc in Xpdf 4.01.01 because GfxSeparationColorSpace and GfxDeviceNColorSpace mishandle tint transform functions. It can, for example, be triggered by sending a crafted PDF document to the pdftops tool. It might allow an attacker to cause Denial of Service or leak memory data.
- Record
DEBIAN-CVE-2019-12493- CVSS 3.0
- 7.1 High
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2019-12493
A stack-based buffer over-read exists in PostScriptFunction::transform in Function.cc in Xpdf 4.01.01 because GfxSeparationColorSpace and GfxDeviceNColorSpace mishandle tint transform functions. It can, for example, be triggered by sending a crafted PDF document to the pdftops tool. It might allow an attacker to cause Denial of Service or leak memory data.
- Record
UBUNTU-CVE-2019-12493- CVSS 3.0
- 7.1 High
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
popplerDebian:12 |
before 0.44.0-2 | 0.44.0-2 |
popplerDebian:13 |
before 0.44.0-2 | 0.44.0-2 |
popplerDebian:14 |
before 0.44.0-2 | 0.44.0-2 |
popplerDebian:8 From an advisory covering 3 CVEs |
before 0.26.5-2+deb8u11, plus listed versions 0.26.5-20.26.5-2+deb8u10.26.5-2+deb8u100.26.5-2+deb8u1~bpo70+10.26.5-2+deb8u2 Show 7 moreShow less0.26.5-2+deb8u30.26.5-2+deb8u40.26.5-2+deb8u50.26.5-2+deb8u60.26.5-2+deb8u70.26.5-2+deb8u80.26.5-2+deb8u9 |
0.26.5-2+deb8u11 |
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 |
emscriptenUbuntu:16.04:LTS |
All versions, plus listed versions 1.22.1-1build1 |
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 |
emscriptenUbuntu:18.04:LTS |
All versions, plus listed versions 1.22.1-1build1 |
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 |
emscriptenUbuntu:22.04:LTS |
All versions, plus listed versions 2.0.13~dfsg-13.1.1~dfsg+~1.39.6-5ubuntu43.1.2~dfsg+~1.39.6-6ubuntu13.1.3~dfsg-4ubuntu13.1.3~dfsg-5ubuntu13.1.4~dfsg-7ubuntu13.1.5~dfsg-3ubuntu1 |
None known |
Show 9 moreShow less
| Package | Affected | Fixed |
|---|---|---|
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 |
emscriptenUbuntu:24.04:LTS |
All versions, plus listed versions 3.1.6~dfsg-53.1.6~dfsg-63.1.6~dfsg-7 |
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 |
emscriptenUbuntu:25.10 |
All versions, plus listed versions 3.1.69+dfsg-13.1.69+dfsg-3 |
None known |
texlive-binUbuntu:25.10 |
All versions, plus listed versions 2024.20240313.70630+ds-62024.20240313.70630+ds-6ubuntu2 |
None known |
emscriptenUbuntu:26.10 |
All versions, plus listed versions 3.1.69+dfsg-46.0.5+dfsg+~1.41.5-2 |
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 |
emscriptenUbuntu:26.04:LTS |
All versions, plus listed versions 3.1.69+dfsg-33.1.69+dfsg-4 |
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 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| 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-2019-12493 is a high vulnerability (CVSS 7.1) in Glyphandcog Xpdfreader, published May 31, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.27%, the 69th percentile. Fixed in poppler 0.44.0-2.
References
forum.xpdfreader.com/viewtopic.php?f=3&t=41806
lists.debian.org/debian-lts-announce/2019/09/msg00033.html
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FWEWFUVITPA3Y6F4A5SJSROKYT7PRH7Q
nvd.nist.gov/vuln/detail/CVE-2019-12493