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CVE-2026-119341

Tesseract: File-controlled pointers still reach `delete` in ADAPT_CLASS_STRUCT destructor

0.0 None

Tesseract is an open source OCR engine. Prior to 5.5.4, ReadAdaptedClass in src/classify/adaptive.cpp raw-reads an ADAPT_CLASS_STRUCT from a pre-adapted-template .a file without neutralizing TempProtos and Config pointer fields before any destructor path. When the legacy engine is selected, classify_use_pre_adapted_templates is enabled, and an attacker can write the output-basename .a file, the success or rejection path can pass file-controlled pointers to ~ADAPT_CLASS_STRUCT and operator delete, causing memory corruption and denial of service. This issue is fixed in version 5.5.4.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
None

Exploit likelihood

0.27%Unchanged since Oct 31, 2026
90%50%10%1%

What each source reports

CVE List Score used 0.0

Tesseract: File-controlled pointers still reach `delete` in ADAPT_CLASS_STRUCT destructor

Tesseract is an open source OCR engine. Prior to 5.5.4, ReadAdaptedClass in src/classify/adaptive.cpp raw-reads an ADAPT_CLASS_STRUCT from a pre-adapted-template .a file without neutralizing TempProtos and Config pointer fields before any destructor path. When the legacy engine is selected, classify_use_pre_adapted_templates is enabled, and an attacker can write the output-basename .a file, the success or rejection path can pass file-controlled pointers to ~ADAPT_CLASS_STRUCT and operator delete, causing memory corruption and denial of service. This issue is fixed in version 5.5.4.

Record
CVE-2026-119341
CVSS 3.1
0.0 NoneCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:N
Weakness
CWE-763
Updated
2026-11-02
EUVDEUVD-2026-114453 No score

Tesseract is an open source OCR engine. Prior to 5.5.4, ReadAdaptedClass in src/classify/adaptive.cpp raw-reads an ADAPT_CLASS_STRUCT from a pre-adapted-template .a file without neutralizing TempProtos and Config pointer fields before any destructor path. When the legacy engine is selected, classify_use_pre_adapted_templates is enabled, and an attacker can write the output-basename .a file, the success or rejection path can pass file-controlled pointers to ~ADAPT_CLASS_STRUCT and operator delete, causing memory corruption and denial of service. This issue is fixed in version 5.5.4.

Record
EUVD-2026-114453
Updated
2026-11-02
NVD 0.0

Tesseract is an open source OCR engine. Prior to 5.5.4, ReadAdaptedClass in src/classify/adaptive.cpp raw-reads an ADAPT_CLASS_STRUCT from a pre-adapted-template .a file without neutralizing TempProtos and Config pointer fields before any destructor path. When the legacy engine is selected, classify_use_pre_adapted_templates is enabled, and an attacker can write the output-basename .a file, the success or rejection path can pass file-controlled pointers to ~ADAPT_CLASS_STRUCT and operator delete, causing memory corruption and denial of service. This issue is fixed in version 5.5.4.

Record
CVE-2026-119341
CVSS 3.1
0.0 NoneCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:N
Weakness
CWE-763
Updated
2026-11-03
OSV 0.0

Tesseract: File-controlled pointers still reach `delete` in ADAPT_CLASS_STRUCT destructor

Tesseract is an open source OCR engine. Prior to 5.5.4, ReadAdaptedClass in src/classify/adaptive.cpp raw-reads an ADAPT_CLASS_STRUCT from a pre-adapted-template .a file without neutralizing TempProtos and Config pointer fields before any destructor path. When the legacy engine is selected, classify_use_pre_adapted_templates is enabled, and an attacker can write the output-basename .a file, the success or rejection path can pass file-controlled pointers to ~ADAPT_CLASS_STRUCT and operator delete, causing memory corruption and denial of service. This issue is fixed in version 5.5.4.

Record
CVE-2026-119341
CVSS 3.1
0.0 NoneCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:N
Weakness
CWE-763
Updated
2026-11-04
OSVDEBIAN-CVE-2026-119341 0.0

Tesseract is an open source OCR engine. Prior to 5.5.4, ReadAdaptedClass in src/classify/adaptive.cpp raw-reads an ADAPT_CLASS_STRUCT from a pre-adapted-template .a file without neutralizing TempProtos and Config pointer fields before any destructor path. When the legacy engine is selected, classify_use_pre_adapted_templates is enabled, and an attacker can write the output-basename .a file, the success or rejection path can pass file-controlled pointers to ~ADAPT_CLASS_STRUCT and operator delete, causing memory corruption and denial of service. This issue is fixed in version 5.5.4.

Record
DEBIAN-CVE-2026-119341
CVSS 3.1
0.0 NoneCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:N
Updated
2026-11-03
OSVUBUNTU-CVE-2026-119341 0.0

Tesseract is an open source OCR engine. Prior to 5.5.4, ReadAdaptedClass in src/classify/adaptive.cpp raw-reads an ADAPT_CLASS_STRUCT from a pre-adapted-template .a file without neutralizing TempProtos and Config pointer fields before any destructor path. When the legacy engine is selected, classify_use_pre_adapted_templates is enabled, and an attacker can write the output-basename .a file, the success or rejection path can pass file-controlled pointers to ~ADAPT_CLASS_STRUCT and operator delete, causing memory corruption and denial of service. This issue is fixed in version 5.5.4.

Record
UBUNTU-CVE-2026-119341
CVSS 3.1
0.0 NoneCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:N
Updated
2026-11-05
OSVopenSUSE-SU-2026:12411-1 No score

libtesseract5-5.5.4-2.1 on GA media

These are all security issues fixed in the libtesseract5-5.5.4-2.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2026:12411-1
Updated
2026-11-04

Affected products

Affected packages

Affected packages
PackageAffectedFixed
tesseract
Debian:12
 All versions, plus listed versions
5.3.0-25.3.3-15.3.4-15.3.4-1.15.3.4-1.2
Show 4 moreShow less
5.3.4-1.35.3.4-1.45.5.0-15.5.0-1.1
 None known
tesseract
Debian:13
 All versions, plus listed versions
5.5.0-15.5.0-1.1
 None known
tesseract
Debian:14
 All versions, plus listed versions
5.5.0-15.5.0-1.1
 None known
tesseract
Ubuntu:Pro:14.04:LTS
 All versions, plus listed versions
3.02.02-13.03.02-33.03.02-3ubuntu0.1~esm1
 None known
tesseract
Ubuntu:Pro:16.04:LTS
 All versions, plus listed versions
3.04.00-5ubuntu13.04.01-23.04.01-43.04.01-4ubuntu0.1~esm1
 None known
tesseract
Ubuntu:Pro:18.04:LTS
 All versions, plus listed versions
3.04.01-63.04.01-6build13.04.01-6build24.00~git2188-cdc35338-4build14.00~git2188-cdc35338-5
Show 4 moreShow less
4.00~git2207-766b7bd6-3.14.00~git2219-40f43111-1.24.00~git2288-10f4998a-24.00~git2288-10f4998a-2ubuntu0.1~esm1
 None known
tesseract
Ubuntu:Pro:20.04:LTS
 All versions, plus listed versions
4.1.0-14.1.0-24.1.1-14.1.1-24.1.1-2build14.1.1-2build24.1.1-2ubuntu0.1~esm1
 None known
tesseract
Ubuntu:Pro:22.04:LTS
 All versions, plus listed versions
4.1.1-2.14.1.1-2.1build14.1.1-2.1ubuntu0.1~esm1
 None known
tesseract
Ubuntu:Pro:24.04:LTS
 All versions, plus listed versions
5.3.0-2build15.3.3-15.3.3-1build15.3.4-15.3.4-1build35.3.4-1build45.3.4-1build55.3.4-1ubuntu0.1~esm1
 None known
tesseract
Ubuntu:26.10
 All versions, plus listed versions
5.5.0-1build15.5.0-1.1
 None known
tesseract
Ubuntu:Pro:26.04:LTS
 All versions, plus listed versions
5.5.0-15.5.0-1build15.5.0-1ubuntu0.1~esm1
 None known
tesseract-ocr
openSUSE:Tumbleweed
From an advisory covering 4 CVEs
 before 5.5.4-2.1
5.5.4-2.1

History

History
RecordedChangedSources
affected, factsOSV
affected, aliases, facts, referencesOSV
affected, aliases, referencesOSV
factsNVD, OSV
first indexedCVE List, EUVD, NVD, OSV

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

In short

CVE-2026-119341 is a none vulnerability (CVSS 0.0) in Tesseract-ocr Tesseract, published October 30, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.27%, the 19th percentile. No source names a fixed version.

References

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