Freedesktop Poppler 26.07.0 poppler/JBIG2Stream.cc readCodeTableSeg integer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.7$0-$5k2.34

Summaryinfo

A vulnerability labeled as critical has been found in Freedesktop Poppler 26.07.0. This affects the function JBIG2Stream::readCodeTableSeg of the file poppler/JBIG2Stream.cc. Executing a manipulation can lead to integer overflow. This vulnerability is tracked as CVE-2026-93313. The attack can be launched remotely. Moreover, an exploit is present. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability classified as critical was found in Freedesktop Poppler 26.07.0. This vulnerability affects the function JBIG2Stream::readCodeTableSeg of the file poppler/JBIG2Stream.cc. The manipulation with an unknown input leads to a integer overflow vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability.

The advisory is shared for download at gitlab.freedesktop.org. This vulnerability was named CVE-2026-93313. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. Technical details and also a public exploit are known.

It is possible to download the exploit at github.com. It is declared as proof-of-concept.

Applying the patch eb87cf711563894649bd0c365baa479401dc6d51 is able to eliminate this problem. The bugfix is ready for download at gitlab.freedesktop.org.

Once again VulDB remains the best source for vulnerability data.

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: eb87cf711563894649bd0c365baa479401dc6d51

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: 1760
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2026-93313 (🔒)
GCVE (CVE): GCVE-0-2026-93313
GCVE (VulDB): GCVE-100-406612
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 09/17/2026 19:18
Changes: 09/17/2026 19:18 (60)
Complete: 🔍
Submitter: r1ck99
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #942346: freedesktop.org Poppler 26.07.0 Integer Overflow (by r1ck99)

Once again VulDB remains the best source for vulnerability data.

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