Vulnerability in Freedesktop Poppler

CVE-2019-9543

An issue was discovered in Poppler 0.74.0. A recursive function call, in JBIG2Stream::readGenericBitmap() located in JBIG2Stream.cc, can be triggered by sending a crafted pdf file to (for example) the pdfseparate binary. It allows an attacker to cause Denial of Service (Segmentation fault) or possibly have unspecified other impact. This is related to JArithmeticDecoder::decodeBit.

EPSS: 0.033 (87.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-9543?
CVE-2019-9543 is a high-severity vulnerability in Freedesktop Poppler, classified under Uncontrolled Recursion. CVSS score: 8.8/10. Published 2019-03-01.
How severe is CVE-2019-9543?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2019-9543 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.