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TI-2018-14242 Aliases CVE-2018-20098GHSA-hr7m-h86m-ppmr

There is a heap-based buffer over-read in Exiv2::Jp2Image::encodeJp2Header of…

Priority LOW 34CWE-125Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Partial Red Hat: 10 fixed, 1 without a fix

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-125 and the CVSS impact.

Summary

There is a heap-based buffer over-read in Exiv2::Jp2Image::encodeJp2Header of jp2image.cpp in Exiv2 0.27-RC3. A crafted input will lead to a remote denial of service attack.

Why it matters now

EPSS 0.02567 85th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial Red Hat: 2 advisoriesRed Hat: 10 fixed, 1 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:exiv2:exiv2:0.27:rc3:*:*:*:*:*:*0.27 rc3VulnerableExiv2
  • cpe:2.3:a:exiv2:exiv2:0.27:rc3:*:*:*:*:*:* Versions 0.27 rc3 Vulnerable ·Exiv2

Remediation

Red Hat 2 advisories

  • RHSA-2020:1577 Released 2020-04-28 · Red Hat rating Moderate
    exiv2 security, bug fix, and enhancement update
    • Red Hat CodeReady Linux Builder (v. 8) exiv2-0.27.2-5.el8, exiv2-devel-0.27.2-5.el8, exiv2-doc-0.27.2-5.el8 +3
    • Red Hat Enterprise Linux AppStream (v. 8) exiv2-0.27.2-5.el8, exiv2-libs-0.27.2-5.el8, gegl-0.2.0-39.el8 +2
  • RHSA-2019:2101 Released 2019-08-06 · Red Hat rating Low
    exiv2 security, bug fix, and enhancement update
    • Red Hat Enterprise Linux Client (v. 7) exiv2-0.27.0-2.el7_6, exiv2-libs-0.27.0-2.el7_6
    • Red Hat Enterprise Linux Client Optional (v. 7) exiv2-devel-0.27.0-2.el7_6, exiv2-doc-0.27.0-2.el7_6
    • Red Hat Enterprise Linux ComputeNode (v. 7) exiv2-0.27.0-2.el7_6, exiv2-libs-0.27.0-2.el7_6
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) exiv2-devel-0.27.0-2.el7_6, exiv2-doc-0.27.0-2.el7_6
    • Red Hat Enterprise Linux Server (v. 7) exiv2-0.27.0-2.el7_6, exiv2-libs-0.27.0-2.el7_6, exiv2-libs-0.27.0-2.el7_6.ppc
    • Red Hat Enterprise Linux Server Optional (v. 7) exiv2-devel-0.27.0-2.el7_6, exiv2-devel-0.27.0-2.el7_6.ppc, exiv2-doc-0.27.0-2.el7_6
    • Red Hat Enterprise Linux Workstation (v. 7) exiv2-0.27.0-2.el7_6, exiv2-libs-0.27.0-2.el7_6
    • Red Hat Enterprise Linux Workstation Optional (v. 7) exiv2-devel-0.27.0-2.el7_6, exiv2-doc-0.27.0-2.el7_6

Vendor assessments

Red Hat

Red Hat rating: Low. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Will not fix
Red Hat CodeReady Linux Builder (v. 8)Fixed RHSA-2020:1577
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2020:1577
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2019:2101
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2019:2101
Red Hat Enterprise Linux ComputeNode (v. 7)Fixed RHSA-2019:2101
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2019:2101
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2019:2101
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2019:2101
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2019:2101
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2019:2101

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-20098
  2. 2026-10-03 Alias added: GHSA-hr7m-h86m-ppmr

References

Exploit 1

Patch 1

Advisory 2

  • TI-2020-13478 Buffer Overflow vulnerability in tEXtToDataBuf function in pngimage.cpp in Exiv2 0.27.1… CVSS 3.1HIGH 7.8
  • TI-2025-19560 Use After Free in Exiv2 CVSS 4.0MEDIUM 5.3
  • TI-2020-13491 An uncontrolled memory allocation in DataBufdata(subBox.length-sizeof(box)) function of… CVSS 3.1MEDIUM 6.5
  • TI-2018-08245 Exiv2 0.26 has a heap-based buffer overflow in getData in preview.cpp. CVSS 3.0CRITICAL 9.8
  • TI-2025-33923 Exiv2 Segmentation Faults in Exiv2::EpsImage::writeMetadata() via crafted EPS file CVSS 4.0LOW 1.8
  • TI-2019-06608 An issue was discovered in Exiv2 0.27. CVSS 3.0HIGH 8.8
See all 123 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences