Out-of-bounds Read in Glyphandcog Xpdfreader
CVE-2019-12957
In Xpdf 4.01.01, a buffer over-read could be triggered in FoFiType1C::convertToType1 in fofi/FoFiType1C.cc when the index number is larger than the charset array bounds. It can, for example, be triggered by sending a crafted PDF document to the pdftops tool. It allows an attacker to use a crafted pdf file to cause Denial of Service or an information leak, or possibly have unspecified other impact.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.012 (67.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 67.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000
Affected products
- Glyphandcog Xpdfreader — versions 4.01.01
- Fedoraproject Fedora — versions 30, 31, 32
Weakness classification (CWE)
Public proof-of-concept exploits
References
- forum.xpdfreader.com/viewtopic.php (Exploit, Third Party 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)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
Frequently asked questions
- What is CVE-2019-12957?
- CVE-2019-12957 is a high-severity vulnerability in Glyphandcog Xpdfreader, classified under Out-of-bounds Read. CVSS score: 7.8/10. Published 2019-06-25.
- How severe is CVE-2019-12957?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2019-12957 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.