Integer overflow in Freedesktop Poppler
CVE-2022-38171
Xpdf prior to version 4.04 contains an integer overflow in the JBIG2 decoder (JBIG2Stream::readTextRegionSeg() in JBIG2Stream.cc). Processing a specially crafted PDF file or JBIG2 image could lead to a crash or the execution of arbitrary code. This is similar to the vulnerability described by CVE-2021-30860 (Apple CoreGraphics).
Vulnerability class: Integer 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: 0.003 (26.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 26.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000
Affected products
- Freedesktop Poppler
- Xpdfreader Xpdf — versions 4.04
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.xpdfreader.com/security-fixes.html (Vendor Advisory)
- dl.xpdfreader.com/xpdf-4.04.tar.gz (Vendor Advisory)
- www.cve.org/CVERecord (Third Party Advisory)
- googleprojectzero.blogspot.com/2021/12/a-deep-dive-into-nso-zero-click.html (Third Party Advisory)
- github.com/jeffssh/CVE-2021-30860 (Third Party Advisory)
- www.openwall.com/lists/oss-security/2022/09/02/11 (mailing-list, Mailing List, Third Party Advisory)
- github.com/zmanion/Vulnerabilities/blob/main/CVE-2022-38171.md (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-38171?
- CVE-2022-38171 is a high-severity vulnerability in Freedesktop Poppler, classified under Integer Overflow or Wraparound. CVSS score: 7.8/10. Published 2022-08-22.
- How severe is CVE-2022-38171?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2022-38171 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.