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CVE-2026-110133

Ghostscript: heap buffer overflow in ghostscript truetype outliner due to npointstotal integer underflow during retry rollback

5.8 MediumFix available

A flaw was found in Ghostscript. When processing a specially crafted TrueType font or document embedding one, an accounting error during font rendering can bypass buffer size checks, triggering a heap-based buffer overflow. A remote attacker could exploit this by enticing a victim or automated service to open the malicious content, potentially resulting in a Denial of Service (DoS) crash or arbitrary code execution.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
High
User interaction
Required

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
None

Exploit likelihood

0.24%Unchanged since Oct 30, 2026
90%50%10%1%

What each source reports

CVE List Score used 5.8

Ghostscript: heap buffer overflow in ghostscript truetype outliner due to npointstotal integer underflow during retry rollback

A flaw was found in Ghostscript. When processing a specially crafted TrueType font or document embedding one, an accounting error during font rendering can bypass buffer size checks, triggering a heap-based buffer overflow. A remote attacker could exploit this by enticing a victim or automated service to open the malicious content, potentially resulting in a Denial of Service (DoS) crash or arbitrary code execution.

Record
CVE-2026-110133
CVSS 3.1
5.8 MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N
Weakness
CWE-122
Updated
2026-11-02
EUVDEUVD-2026-113444 5.8

A flaw was found in Ghostscript. When processing a specially crafted TrueType font or document embedding one, an accounting error during font rendering can bypass buffer size checks, triggering a heap-based buffer overflow. A remote attacker could exploit this by enticing a victim or automated service to open the malicious content, potentially resulting in a Denial of Service (DoS) crash or arbitrary code execution.

Record
EUVD-2026-113444
CVSS 3.1
5.8 MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-q8vr-mvf4-2f5x 5.8

A flaw was found in Ghostscript. When processing a specially crafted TrueType font or document...

A flaw was found in Ghostscript. When processing a specially crafted TrueType font or document embedding one, an accounting error during font rendering can bypass buffer size checks, triggering a heap-based buffer overflow. A remote attacker could exploit this by enticing a victim or automated service to open the malicious content, potentially resulting in a Denial of Service (DoS) crash or arbitrary code execution.

Record
GHSA-q8vr-mvf4-2f5x
CVSS 3.1
5.8 MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N
Weakness
CWE-122
Updated
2026-11-02
NVD 5.8

A flaw was found in Ghostscript. When processing a specially crafted TrueType font or document embedding one, an accounting error during font rendering can bypass buffer size checks, triggering a heap-based buffer overflow. A remote attacker could exploit this by enticing a victim or automated service to open the malicious content, potentially resulting in a Denial of Service (DoS) crash or arbitrary code execution.

Record
CVE-2026-110133
CVSS 3.1
5.8 MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N
Weakness
CWE-122
Updated
2026-11-02
OSVDEBIAN-CVE-2026-110133 5.8

A flaw was found in Ghostscript. When processing a specially crafted TrueType font or document embedding one, an accounting error during font rendering can bypass buffer size checks, triggering a heap-based buffer overflow. A remote attacker could exploit this by enticing a victim or automated service to open the malicious content, potentially resulting in a Denial of Service (DoS) crash or arbitrary code execution.

Record
DEBIAN-CVE-2026-110133
CVSS 3.1
5.8 MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N
Updated
2026-11-02
OSVUBUNTU-CVE-2026-110133 5.8

A flaw was found in Ghostscript. When processing a specially crafted TrueType font or document embedding one, an accounting error during font rendering can bypass buffer size checks, triggering a heap-based buffer overflow. A remote attacker could exploit this by enticing a victim or automated service to open the malicious content, potentially resulting in a Denial of Service (DoS) crash or arbitrary code execution.

Record
UBUNTU-CVE-2026-110133
CVSS 3.1
5.8 MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
ghostscript
Debian:12
All versions, plus listed versions
10.0.0~dfsg-1110.0.0~dfsg-11+deb12u110.0.0~dfsg-11+deb12u210.0.0~dfsg-11+deb12u310.0.0~dfsg-11+deb12u4
Show 28 moreShow less
10.0.0~dfsg-11+deb12u510.0.0~dfsg-11+deb12u610.0.0~dfsg-11+deb12u710.0.0~dfsg-11+deb12u810.01.2~dfsg-110.02.0~dfsg-110.02.0~dfsg-210.02.1~dfsg-110.02.1~dfsg-210.02.1~dfsg-310.03.0~dfsg-110.03.1~dfsg-110.03.1~dfsg-210.03.1~dfsg~git20240518-110.04.0~dfsg-110.04.0~dfsg-210.05.0~dfsg-110.05.1~dfsg-110.05.1~dfsg-210.05.1~dfsg-310.06.0~dfsg-110.06.0~dfsg-210.06.0~dfsg-310.07.0~dfsg-110.07.0~dfsg-210.07.1~dfsg-110.08.0~dfsg-110.08.0~dfsg-2
None known
ghostscript
Debian:13
All versions, plus listed versions
10.05.1~dfsg-110.05.1~dfsg-1+deb13u110.05.1~dfsg-1+deb13u210.05.1~dfsg-1+deb13u310.05.1~dfsg-2
Show 9 moreShow less
10.05.1~dfsg-310.06.0~dfsg-110.06.0~dfsg-210.06.0~dfsg-310.07.0~dfsg-110.07.0~dfsg-210.07.1~dfsg-110.08.0~dfsg-110.08.0~dfsg-2
None known
ghostscript
Debian:14
before 10.08.0~dfsg-1, plus listed versions
10.05.1~dfsg-110.05.1~dfsg-210.05.1~dfsg-310.06.0~dfsg-110.06.0~dfsg-2
Show 4 moreShow less
10.06.0~dfsg-310.07.0~dfsg-110.07.0~dfsg-210.07.1~dfsg-1
10.08.0~dfsg-1
ghostscript
Ubuntu:Pro:16.04:LTS
All versions, plus listed versions
9.16~dfsg~0-0ubuntu39.16~dfsg~0-0ubuntu49.18~dfsg~0-0ubuntu19.18~dfsg~0-0ubuntu29.18~dfsg~0-0ubuntu2.2
Show 33 moreShow less
9.18~dfsg~0-0ubuntu2.39.18~dfsg~0-0ubuntu2.49.18~dfsg~0-0ubuntu2.69.18~dfsg~0-0ubuntu2.79.18~dfsg~0-0ubuntu2.89.18~dfsg~0-0ubuntu2.99.25~dfsg+1-0ubuntu0.16.04.19.25~dfsg+1-0ubuntu0.16.04.29.25~dfsg+1-0ubuntu0.16.04.39.26~dfsg+0-0ubuntu0.16.04.19.26~dfsg+0-0ubuntu0.16.04.39.26~dfsg+0-0ubuntu0.16.04.49.26~dfsg+0-0ubuntu0.16.04.59.26~dfsg+0-0ubuntu0.16.04.69.26~dfsg+0-0ubuntu0.16.04.79.26~dfsg+0-0ubuntu0.16.04.89.26~dfsg+0-0ubuntu0.16.04.99.26~dfsg+0-0ubuntu0.16.04.109.26~dfsg+0-0ubuntu0.16.04.119.26~dfsg+0-0ubuntu0.16.04.129.26~dfsg+0-0ubuntu0.16.04.139.26~dfsg+0-0ubuntu0.16.04.149.26~dfsg+0-0ubuntu0.16.04.14+esm19.26~dfsg+0-0ubuntu0.16.04.14+esm29.26~dfsg+0-0ubuntu0.16.04.14+esm39.26~dfsg+0-0ubuntu0.16.04.14+esm49.26~dfsg+0-0ubuntu0.16.04.14+esm59.26~dfsg+0-0ubuntu0.16.04.14+esm69.26~dfsg+0-0ubuntu0.16.04.14+esm79.26~dfsg+0-0ubuntu0.16.04.14+esm89.26~dfsg+0-0ubuntu0.16.04.14+esm99.26~dfsg+0-0ubuntu0.16.04.14+esm109.26~dfsg+0-0ubuntu0.16.04.14+esm11
None known
ghostscript
Ubuntu:Pro:18.04:LTS
All versions, plus listed versions
9.21~dfsg+1-0ubuntu39.22~dfsg+1-0ubuntu19.22~dfsg+1-0ubuntu1.19.22~dfsg+1-0ubuntu1.29.25~dfsg+1-0ubuntu0.18.04.1
Show 24 moreShow less
9.25~dfsg+1-0ubuntu0.18.04.29.26~dfsg+0-0ubuntu0.18.04.19.26~dfsg+0-0ubuntu0.18.04.39.26~dfsg+0-0ubuntu0.18.04.49.26~dfsg+0-0ubuntu0.18.04.59.26~dfsg+0-0ubuntu0.18.04.69.26~dfsg+0-0ubuntu0.18.04.79.26~dfsg+0-0ubuntu0.18.04.89.26~dfsg+0-0ubuntu0.18.04.99.26~dfsg+0-0ubuntu0.18.04.109.26~dfsg+0-0ubuntu0.18.04.119.26~dfsg+0-0ubuntu0.18.04.129.26~dfsg+0-0ubuntu0.18.04.139.26~dfsg+0-0ubuntu0.18.04.149.26~dfsg+0-0ubuntu0.18.04.159.26~dfsg+0-0ubuntu0.18.04.169.26~dfsg+0-0ubuntu0.18.04.179.26~dfsg+0-0ubuntu0.18.04.189.26~dfsg+0-0ubuntu0.18.04.18+esm19.26~dfsg+0-0ubuntu0.18.04.18+esm29.26~dfsg+0-0ubuntu0.18.04.18+esm39.26~dfsg+0-0ubuntu0.18.04.18+esm49.26~dfsg+0-0ubuntu0.18.04.18+esm59.26~dfsg+0-0ubuntu0.18.04.18+esm6
None known
ghostscript
Ubuntu:Pro:20.04:LTS
All versions, plus listed versions
9.27~dfsg+0-0ubuntu39.27~dfsg+0-0ubuntu49.50~dfsg-5ubuntu19.50~dfsg-5ubuntu29.50~dfsg-5ubuntu3
Show 19 moreShow less
9.50~dfsg-5ubuntu49.50~dfsg-5ubuntu4.19.50~dfsg-5ubuntu4.29.50~dfsg-5ubuntu4.39.50~dfsg-5ubuntu4.49.50~dfsg-5ubuntu4.59.50~dfsg-5ubuntu4.69.50~dfsg-5ubuntu4.79.50~dfsg-5ubuntu4.89.50~dfsg-5ubuntu4.99.50~dfsg-5ubuntu4.109.50~dfsg-5ubuntu4.119.50~dfsg-5ubuntu4.129.50~dfsg-5ubuntu4.139.50~dfsg-5ubuntu4.149.50~dfsg-5ubuntu4.159.50~dfsg-5ubuntu4.15+esm19.50~dfsg-5ubuntu4.15+esm29.50~dfsg-5ubuntu4.15+esm3
None known
ghostscript
Ubuntu:22.04:LTS
All versions, plus listed versions
9.54.0~dfsg1-0ubuntu29.55.0~dfsg1-0ubuntu49.55.0~dfsg1-0ubuntu59.55.0~dfsg1-0ubuntu5.19.55.0~dfsg1-0ubuntu5.2
Show 12 moreShow less
9.55.0~dfsg1-0ubuntu5.39.55.0~dfsg1-0ubuntu5.49.55.0~dfsg1-0ubuntu5.59.55.0~dfsg1-0ubuntu5.69.55.0~dfsg1-0ubuntu5.79.55.0~dfsg1-0ubuntu5.99.55.0~dfsg1-0ubuntu5.109.55.0~dfsg1-0ubuntu5.119.55.0~dfsg1-0ubuntu5.129.55.0~dfsg1-0ubuntu5.139.55.0~dfsg1-0ubuntu5.149.55.0~dfsg1-0ubuntu5.15
None known
ghostscript
Ubuntu:24.04:LTS
All versions, plus listed versions
10.01.2~dfsg1-0ubuntu210.01.2~dfsg1-0ubuntu2.110.02.1~dfsg1-0ubuntu110.02.1~dfsg1-0ubuntu210.02.1~dfsg1-0ubuntu5
Show 11 moreShow less
10.02.1~dfsg1-0ubuntu610.02.1~dfsg1-0ubuntu710.02.1~dfsg1-0ubuntu7.110.02.1~dfsg1-0ubuntu7.310.02.1~dfsg1-0ubuntu7.410.02.1~dfsg1-0ubuntu7.510.02.1~dfsg1-0ubuntu7.610.02.1~dfsg1-0ubuntu7.710.02.1~dfsg1-0ubuntu7.810.02.1~dfsg1-0ubuntu7.910.02.1~dfsg1-0ubuntu7.10
None known
ghostscript
Ubuntu:26.10
All versions, plus listed versions
10.06.0~dfsg-3ubuntu110.07.1~dfsg-1ubuntu110.07.1~dfsg-1ubuntu210.07.1~dfsg-1ubuntu2.1
None known
ghostscript
Ubuntu:26.04:LTS
All versions, plus listed versions
10.05.0dfsg1-0ubuntu410.05.0dfsg1-0ubuntu510.06.0~dfsg-3ubuntu110.06.0~dfsg-3ubuntu1.110.06.0~dfsg-3ubuntu1.2
None known

History

History
RecordedChangedSources
affected, aliases, references
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-110133 is a medium vulnerability (CVSS 5.8) in Red Hat Enterprise Linux 10, published October 30, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.24%, the 14th percentile. Fixed in ghostscript 10.08.0~dfsg-1.

References

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