Freedesktop Poppler 26.07.0 fofi/FoFiTrueType.cc mapCodeToGID segCnt integer overflow

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k2.08

Summaryinfo

A vulnerability marked as critical has been reported in Freedesktop Poppler 26.07.0. This impacts the function FoFiTrueType::mapCodeToGID of the file fofi/FoFiTrueType.cc. The manipulation of the argument segCnt leads to integer overflow. This vulnerability is listed as CVE-2026-93314. The attack may be initiated remotely. In addition, an exploit is available. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Freedesktop Poppler 26.07.0. This issue affects the function FoFiTrueType::mapCodeToGID of the file fofi/FoFiTrueType.cc. The manipulation of the argument segCnt with an unknown input leads to a integer overflow vulnerability. Using CWE to declare the problem leads to CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. Impacted is confidentiality, integrity, and availability.

The advisory is shared at gitlab.freedesktop.org. The identification of this vulnerability is CVE-2026-93314. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details as well as a public exploit are known.

The exploit is available at github.com. It is declared as proof-of-concept.

Applying the patch ed2a5538cf0a8d3ff908191eda9b73f91a5f952a is able to eliminate this problem. The bugfix is ready for download at gitlab.freedesktop.org.

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Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: ed2a5538cf0a8d3ff908191eda9b73f91a5f952a

Timelineinfo

09/17/2026 Advisory disclosed
09/17/2026 +0 days VulDB entry created
09/17/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: 1761
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2026-93314 (🔒)
GCVE (CVE): GCVE-0-2026-93314
GCVE (VulDB): GCVE-100-406613
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 09/17/2026 19:18
Changes: 09/17/2026 19:18 (61)
Complete: 🔍
Submitter: r1ck99
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #942347: freedesktop.org Poppler 26.07.0 Integer Overflow (by r1ck99)

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