Out-of-bounds Read in Glyphandcog Xpdfreader
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H.
EPSS exploit prediction
EPSS: 0.013 (68.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 68.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000
Affected products
- Glyphandcog Xpdfreader — versions 4.01.01
Weakness classification (CWE)
Public proof-of-concept exploits
References
- forum.xpdfreader.com/viewtopic.php (Exploit, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2019/09/msg00033.html (mailing-list)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
Frequently asked questions
- What is CVE-2019-12493?
- CVE-2019-12493 is a high-severity vulnerability in Glyphandcog Xpdfreader, classified under Out-of-bounds Read. CVSS score: 7.1/10. Published 2019-05-31.
- How severe is CVE-2019-12493?
- High severity. CVSS v3 base score is 7.1 out of 10.
- Is CVE-2019-12493 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.