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CVE-2026-115504 (GCVE-0-2026-115504)

Vulnerability from nvd – Published: 2026-10-22 19:14 – Updated: 2026-10-22 19:14

Title

CFITSIO through 4.7.0 Out-of-Bounds Write via ffgcls2 in getcols.c

Summary

CFITSIO through 4.7.0 contains an out-of-bounds write vulnerability in ffgcls2() in getcols.c that trusts attacker-controlled heap descriptor lengths for variable-length string columns. Attackers can supply a crafted FITS file that overflows a fixed 28,800-byte stack buffer and the caller's string array, enabling arbitrary code execution.

Severity

8.5 (High)


                        
                          CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

7.8 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CWE

CWE-787 - Out-of-bounds Write

Assigner

VulnCheck CNA under the mitre root

CNA scorecard B 84/100 over 6762 records in the last 180 days details

References

5 references

URL	Tags
https://gist.github.com/yure1432/98f15c7e8f48dc90…	technical-descriptionexploit
https://github.com/HEASARC/cfitsio/pull/184	patchissue-tracking
https://github.com/HEASARC/cfitsio/commit/579792e…	patch
https://github.com/HEASARC/cfitsio	product
https://www.vulncheck.com/advisories/cfitsio-thro…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
HEASARC	cfitsio	Affected: 0 , ≤ 4.7.0 (semver)

Date Public

2026-09-14 00:00

Credits

Pratyaksh Srivats

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "collectionURL": "https://github.com",
          "defaultStatus": "unaffected",
          "product": "cfitsio",
          "repo": "https://github.com/HEASARC/cfitsio",
          "vendor": "HEASARC",
          "versions": [
            {
              "lessThanOrEqual": "4.7.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
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        }
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          "lang": "en",
          "type": "finder",
          "value": "Pratyaksh Srivats"
        }
      ],
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        {
          "lang": "en",
          "value": "CFITSIO through 4.7.0 contains an out-of-bounds write vulnerability in ffgcls2() in getcols.c that trusts attacker-controlled heap descriptor lengths for variable-length string columns. Attackers can supply a crafted FITS file that overflows a fixed 28,800-byte stack buffer and the caller\u0027s string array, enabling arbitrary code execution."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "LOCAL",
            "baseScore": 8.5,
            "baseSeverity": "HIGH",
            "privilegesRequired": "NONE",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "PASSIVE",
            "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "HIGH"
          },
          "format": "CVSS"
        },
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            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.8,
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            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
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            "version": "3.1"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
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          "descriptions": [
            {
              "cweId": "CWE-787",
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              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-22T19:14:04.552Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
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        },
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          "tags": [
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          ],
          "url": "https://github.com/HEASARC/cfitsio/pull/184"
        },
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          "url": "https://github.com/HEASARC/cfitsio"
        },
        {
          "name": "VulnCheck Advisory: CFITSIO through 4.7.0 Out-of-Bounds Write via ffgcls2 in getcols.c",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/cfitsio-through-4.7.0-out-of-bounds-write-via-ffgcls2-in-getcols-c"
        }
      ],
      "title": "CFITSIO through 4.7.0 Out-of-Bounds Write via ffgcls2 in getcols.c",
      "x_generator": {
        "engine": "vulncheck-endgame"
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    }
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    "assignerShortName": "VulnCheck",
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    "dateReserved": "2026-10-22T16:14:58.754Z",
    "dateUpdated": "2026-10-22T19:14:04.552Z",
    "state": "PUBLISHED"
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  "dataType": "CVE_RECORD",
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}

CVE-2026-111125 (GCVE-0-2026-111125)

Vulnerability from nvd – Published: 2026-10-15 18:57 – Updated: 2026-10-21 01:15

Title

CFITSIO through 4.7.0 Heap Out-of-Bounds Read via HCOMPRESS input_nnybble

Summary

CFITSIO through 4.7.0 contains a heap-based out-of-bounds read vulnerability in the HCOMPRESS tile decoder that allows attackers to read past the compressed tile buffer via input_nnybble in fits_hdecompress.c. Attackers can supply a crafted FITS file with ZCMPTYPE HCOMPRESS_1 declaring oversized tile geometry to crash applications calling fits_read_pix or disclose limited heap memory.

Severity

6.9 (Medium)


                        
                          CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N

6.1 (Medium)


                        
                          CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-10-21 01:15 UTC

CWE

CWE-125 - Out-of-bounds Read

Assigner

VulnCheck CNA under the mitre root

CNA scorecard B 84/100 over 6762 records in the last 180 days details

References

5 references

URL	Tags
https://hackmd.io/@haind-pwn/cfitsio-zdither0-dit…	technical-descriptionexploit
https://github.com/HEASARC/cfitsio/blob/d6d276537…	technical-description
https://github.com/HEASARC/cfitsio/blob/d6d276537…	technical-description
https://github.com/HEASARC/cfitsio	product
https://www.vulncheck.com/advisories/cfitsio-thro…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
HEASARC	cfitsio	Affected: 0 , ≤ 4.7.0 (semver)

Date Public

2026-10-15 00:00

Credits

HaiND from the Post and Telecommunication Institute of Technology

Show details on NVD website

JSON

To clipboard

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                "id": "CVE-2026-111125",
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                  },
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                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-10-21T01:15:11.834733Z",
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      ],
      "metrics": [
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            "attackComplexity": "LOW",
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            "userInteraction": "REQUIRED",
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}

CVE-2026-111124 (GCVE-0-2026-111124)

Vulnerability from nvd – Published: 2026-10-15 18:57 – Updated: 2026-10-15 18:57

Title

CFITSIO through 4.7.0 Heap Out-of-Bounds Read via Negative ZDITHER0 Seed

Summary

CFITSIO through 4.7.0 contains a heap-based out-of-bounds read vulnerability in the imcompress.c unquantize helpers that allows attackers to read memory before the fits_rand_value table via a zero or negative ZDITHER0 seed. Attackers can supply a crafted FITS file with a SUBTRACTIVE_DITHER_1 compressed image, read through fits_open_file() and fits_read_pix(), to cause crashes or leak heap contents in decoded pixels.

Severity

6.9 (Medium)


                        
                          CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N

6.1 (Medium)


                        
                          CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H

CWE

CWE-125 - Out-of-bounds Read

Assigner

VulnCheck CNA under the mitre root

CNA scorecard B 84/100 over 6762 records in the last 180 days details

References

5 references

URL	Tags
https://hackmd.io/@haind-pwn/cfitsio-zdither0-dit…	technical-description
https://github.com/HEASARC/cfitsio/blob/d6d276537…	technical-description
https://github.com/HEASARC/cfitsio/blob/d6d276537…	technical-description
https://github.com/HEASARC/cfitsio	product
https://www.vulncheck.com/advisories/cfitsio-thro…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
HEASARC	cfitsio	Affected: 0 , ≤ 4.7.0 (semver)

Date Public

2026-10-15 00:00

Credits

HaiND from the Post and Telecommunication Institute of Technology

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "collectionURL": "https://github.com",
          "defaultStatus": "unaffected",
          "product": "cfitsio",
          "repo": "https://github.com/HEASARC/cfitsio",
          "vendor": "HEASARC",
          "versions": [
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              "status": "affected",
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            "attackComplexity": "LOW",
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CVE-2026-115504 (GCVE-0-2026-115504)

Vulnerability from cvelistv5 – Published: 2026-10-22 19:14 – Updated: 2026-10-22 19:14

Title

CFITSIO through 4.7.0 Out-of-Bounds Write via ffgcls2 in getcols.c

Summary

CFITSIO through 4.7.0 contains an out-of-bounds write vulnerability in ffgcls2() in getcols.c that trusts attacker-controlled heap descriptor lengths for variable-length string columns. Attackers can supply a crafted FITS file that overflows a fixed 28,800-byte stack buffer and the caller's string array, enabling arbitrary code execution.

Severity

8.5 (High)


                        
                          CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

7.8 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CWE

CWE-787 - Out-of-bounds Write

Assigner

VulnCheck CNA under the mitre root

CNA scorecard B 84/100 over 6762 records in the last 180 days details

References

5 references

URL	Tags
https://gist.github.com/yure1432/98f15c7e8f48dc90…	technical-descriptionexploit
https://github.com/HEASARC/cfitsio/pull/184	patchissue-tracking
https://github.com/HEASARC/cfitsio/commit/579792e…	patch
https://github.com/HEASARC/cfitsio	product
https://www.vulncheck.com/advisories/cfitsio-thro…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
HEASARC	cfitsio	Affected: 0 , ≤ 4.7.0 (semver)

Date Public

2026-09-14 00:00

Credits

Pratyaksh Srivats

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "collectionURL": "https://github.com",
          "defaultStatus": "unaffected",
          "product": "cfitsio",
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          "vendor": "HEASARC",
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            {
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              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
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      "credits": [
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          "lang": "en",
          "type": "finder",
          "value": "Pratyaksh Srivats"
        }
      ],
      "datePublic": "2026-09-14T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "CFITSIO through 4.7.0 contains an out-of-bounds write vulnerability in ffgcls2() in getcols.c that trusts attacker-controlled heap descriptor lengths for variable-length string columns. Attackers can supply a crafted FITS file that overflows a fixed 28,800-byte stack buffer and the caller\u0027s string array, enabling arbitrary code execution."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "LOCAL",
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            "privilegesRequired": "NONE",
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            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "HIGH"
          },
          "format": "CVSS"
        },
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
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            "privilegesRequired": "NONE",
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            "userInteraction": "REQUIRED",
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            }
          ]
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        },
        {
          "tags": [
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          "url": "https://github.com/HEASARC/cfitsio/pull/184"
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          "tags": [
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          "url": "https://github.com/HEASARC/cfitsio/commit/579792e0f85bff0c6733ad5ebdf54c3b5c188686"
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          "url": "https://github.com/HEASARC/cfitsio"
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          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/cfitsio-through-4.7.0-out-of-bounds-write-via-ffgcls2-in-getcols-c"
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CVE-2026-111125 (GCVE-0-2026-111125)

Vulnerability from cvelistv5 – Published: 2026-10-15 18:57 – Updated: 2026-10-21 01:15

Title

CFITSIO through 4.7.0 Heap Out-of-Bounds Read via HCOMPRESS input_nnybble

Summary

CFITSIO through 4.7.0 contains a heap-based out-of-bounds read vulnerability in the HCOMPRESS tile decoder that allows attackers to read past the compressed tile buffer via input_nnybble in fits_hdecompress.c. Attackers can supply a crafted FITS file with ZCMPTYPE HCOMPRESS_1 declaring oversized tile geometry to crash applications calling fits_read_pix or disclose limited heap memory.

Severity

6.9 (Medium)


                        
                          CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N

6.1 (Medium)


                        
                          CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-10-21 01:15 UTC

CWE

CWE-125 - Out-of-bounds Read

Assigner

VulnCheck CNA under the mitre root

CNA scorecard B 84/100 over 6762 records in the last 180 days details

References

5 references

URL	Tags
https://hackmd.io/@haind-pwn/cfitsio-zdither0-dit…	technical-descriptionexploit
https://github.com/HEASARC/cfitsio/blob/d6d276537…	technical-description
https://github.com/HEASARC/cfitsio/blob/d6d276537…	technical-description
https://github.com/HEASARC/cfitsio	product
https://www.vulncheck.com/advisories/cfitsio-thro…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
HEASARC	cfitsio	Affected: 0 , ≤ 4.7.0 (semver)

Date Public

2026-10-15 00:00

Credits

HaiND from the Post and Telecommunication Institute of Technology

Show details on NVD website

JSON

To clipboard

{
  "containers": {
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                "id": "CVE-2026-111125",
                "options": [
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                "timestamp": "2026-10-21T01:15:11.834733Z",
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CVE-2026-111124 (GCVE-0-2026-111124)

Vulnerability from cvelistv5 – Published: 2026-10-15 18:57 – Updated: 2026-10-15 18:57

Title

CFITSIO through 4.7.0 Heap Out-of-Bounds Read via Negative ZDITHER0 Seed

Summary

CFITSIO through 4.7.0 contains a heap-based out-of-bounds read vulnerability in the imcompress.c unquantize helpers that allows attackers to read memory before the fits_rand_value table via a zero or negative ZDITHER0 seed. Attackers can supply a crafted FITS file with a SUBTRACTIVE_DITHER_1 compressed image, read through fits_open_file() and fits_read_pix(), to cause crashes or leak heap contents in decoded pixels.

Severity

6.9 (Medium)


                        
                          CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N

6.1 (Medium)


                        
                          CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H

CWE

CWE-125 - Out-of-bounds Read

Assigner

VulnCheck CNA under the mitre root

CNA scorecard B 84/100 over 6762 records in the last 180 days details

References

5 references

URL	Tags
https://hackmd.io/@haind-pwn/cfitsio-zdither0-dit…	technical-description
https://github.com/HEASARC/cfitsio/blob/d6d276537…	technical-description
https://github.com/HEASARC/cfitsio/blob/d6d276537…	technical-description
https://github.com/HEASARC/cfitsio	product
https://www.vulncheck.com/advisories/cfitsio-thro…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
HEASARC	cfitsio	Affected: 0 , ≤ 4.7.0 (semver)

Date Public

2026-10-15 00:00

Credits

HaiND from the Post and Telecommunication Institute of Technology

Show details on NVD website

JSON

To clipboard

{
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    "cna": {
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        {
          "collectionURL": "https://github.com",
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          "product": "cfitsio",
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6 vulnerabilities by HEASARC

CVE-2026-115504 (GCVE-0-2026-115504)

CVE-2026-111125 (GCVE-0-2026-111125)

CVE-2026-111124 (GCVE-0-2026-111124)

CVE-2026-115504 (GCVE-0-2026-115504)

CVE-2026-111125 (GCVE-0-2026-111125)

CVE-2026-111124 (GCVE-0-2026-111124)