Integer overflow in Freedesktop Poppler
CVE-2022-38784
Poppler prior to and including 22.08.0 contains an integer overflow in the JBIG2 decoder (JBIG2Stream::readTextRegionSeg() in JBIGStream.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-2022-38171 in Xpdf.
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: 0.006 (48.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 48.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Freedesktop Poppler
- Debian Linux — versions 10.0, 11.0
- Fedoraproject Fedora — versions 35, 36, 37
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/jeffssh/CVE-2021-30860 (Third Party Advisory)
- poppler.freedesktop.org/releases.html (Release Notes, Vendor Advisory)
- gitlab.freedesktop.org/poppler/poppler/-/merge_requests/1261/diffs (Patch, Vendor Advisory)
- www.openwall.com/lists/oss-security/2022/09/02/11 (mailing-list, Mailing List, Third Party Advisory)
- www.debian.org/security/2022/dsa-5224 (vendor-advisory, 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.debian.org/debian-lts-announce/2022/09/msg00030.html (mailing-list, Third Party Advisory)
- security.gentoo.org/glsa/202209-21 (vendor-advisory, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
Frequently asked questions
- What is CVE-2022-38784?
- CVE-2022-38784 is a high-severity vulnerability in Freedesktop Poppler, classified under Integer Overflow or Wraparound. CVSS score: 7.8/10. Published 2022-08-30.
- How severe is CVE-2022-38784?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2022-38784 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.