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TI-2023-13382 Aliases CVE-2023-28879GHSA-6mcj-frmm-wmr5

In Artifex Ghostscript through 10.01.0, there is a buffer overflow leading to potential…

Priority HIGH 82CWE-787Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 4 fixed, 3 without a fix

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-787 and the CVSS impact.

Summary

In Artifex Ghostscript through 10.01.0, there is a buffer overflow leading to potential corruption of data internal to the PostScript interpreter, in base/sbcp.c. This affects BCPEncode, BCPDecode, TBCPEncode, and TBCPDecode. If the write buffer is filled to one byte less than full, and one then tries to write an escaped character, two bytes are written.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.06341 93rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial Red Hat: 2 advisoriesRed Hat: 4 fixed, 3 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

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

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:artifex:ghostscript:*:*:*:*:*:*:*:*before 10.01.0VulnerableArtifex
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*10.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*11.0VulnerableDebian
  • cpe:2.3:a:artifex:ghostscript:*:*:*:*:*:*:*:* Versions before 10.01.0 Vulnerable ·Artifex
  • cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* Versions 11.0 Vulnerable ·Debian

Remediation

Red Hat 2 advisories

  • RHSA-2023:7053 Released 2023-11-14 · Red Hat rating Moderate
    ghostscript security and bug fix update
    • Red Hat CodeReady Linux Builder (v. 8) ghostscript-doc-9.27-11.el8, ghostscript-tools-dvipdf-9.27-11.el8, ghostscript-tools-fonts-9.27-11.el8 +2
    • Red Hat Enterprise Linux AppStream (v. 8) ghostscript-9.27-11.el8, ghostscript-x11-9.27-11.el8, libgs-9.27-11.el8
  • RHSA-2023:6544 Released 2023-11-07 · Red Hat rating Moderate
    ghostscript security and bug fix update
    • Red Hat CodeReady Linux Builder (v. 9) ghostscript-9.54.0-13.el9, ghostscript-tools-fonts-9.54.0-13.el9, ghostscript-tools-printing-9.54.0-13.el9 +1
    • Red Hat Enterprise Linux AppStream (v. 9) ghostscript-9.54.0-13.el9, ghostscript-doc-9.54.0-13.el9, ghostscript-tools-dvipdf-9.54.0-13.el9 +4

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 7AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 8AffectedNo fix planned: Will not fix
Red Hat CodeReady Linux Builder (v. 8)Fixed RHSA-2023:7053
Red Hat CodeReady Linux Builder (v. 9)Fixed RHSA-2023:6544
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2023:7053
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2023:6544

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-28879
  2. 2026-10-03 Alias added: GHSA-6mcj-frmm-wmr5

References

Sources