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CVE-2026-3713

A flaw has been found in pnggroup libpng up to 1.6.55. Affected by this vulnerability is the function do_pnm2png of the file contrib/pngminus/pnm2png.c of the component pnm2png. This manipulation of the argument width/height causes heap-based buffer overflow. The attack is restricted to local execution. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:1f8372363739d718b40cc2d42cb26054cfdfd6b1934c28b0e7d369b4ead33fa4
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 4 assertions

{"metric":{"baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C","version":"3.0"},"metric_type":"cvssV3_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:0c31335aa2a0720b64b109b5a6646fa22e402c401e40fcc73654eb2cf59185d8 · sha256:684b182a426e272a… · /containers/cna/metrics/2/cvssV3_0

{"metric":{"baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:0c31335aa2a0720b64b109b5a6646fa22e402c401e40fcc73654eb2cf59185d8 · sha256:684b182a426e272a… · /containers/cna/metrics/1/cvssV3_1

{"metric":{"baseScore":4.3,"vectorString":"AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:C","version":"2.0"},"metric_type":"cvssV2_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:0c31335aa2a0720b64b109b5a6646fa22e402c401e40fcc73654eb2cf59185d8 · sha256:684b182a426e272a… · /containers/cna/metrics/3/cvssV2_0

{"metric":{"baseScore":4.8,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","version":"4.0"},"metric_type":"cvssV4_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:0c31335aa2a0720b64b109b5a6646fa22e402c401e40fcc73654eb2cf59185d8 · sha256:684b182a426e272a… · /containers/cna/metrics/0/cvssV4_0
cwe · 2 assertions

{"cweId":"CWE-122","description":"Heap-based Buffer Overflow","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:0c31335aa2a0720b64b109b5a6646fa22e402c401e40fcc73654eb2cf59185d8 · sha256:684b182a426e272a… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-119","description":"Memory Corruption","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:0c31335aa2a0720b64b109b5a6646fa22e402c401e40fcc73654eb2cf59185d8 · sha256:684b182a426e272a… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"cpes":["cpe:2.3:a:libpng:libpng:*:*:*:*:*:*:*:*"],"modules":["pnm2png"],"product":"libpng","vendor":"pnggroup","versions":[{"status":"affected","version":"1.6.0"},{"status":"affected","version":"1.6.1"},{"status":"affected","version":"1.6.2"},{"status":"affected","version":"1.6.3"},{"status":"affected","version":"1.6.4"},{"status":"affected","version":"1.6.5"},{"status":"affected","version":"1.6.6"},{"status":"affected","version":"1.6.7"},{"status":"affected","version":"1.6.8"},{"status":"affected","version":"1.6.9"},{"status":"affected","version":"1.6.10"},{"status":"affected","version":"1.…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:0c31335aa2a0720b64b109b5a6646fa22e402c401e40fcc73654eb2cf59185d8 · sha256:684b182a426e272a… · /containers/cna/affected/0

Provider-owned CVSS observations

4 source assertions
{"metric":{"baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C","version":"3.0"},"metric_type":"cvssV3_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:0c31335aa2a0720b64b109b5a6646fa22e402c401e40fcc73654eb2cf59185d8 · sha256:684b182a426e272a… · /containers/cna/metrics/2/cvssV3_0
{"metric":{"baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:0c31335aa2a0720b64b109b5a6646fa22e402c401e40fcc73654eb2cf59185d8 · sha256:684b182a426e272a… · /containers/cna/metrics/1/cvssV3_1
{"metric":{"baseScore":4.3,"vectorString":"AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:C","version":"2.0"},"metric_type":"cvssV2_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:0c31335aa2a0720b64b109b5a6646fa22e402c401e40fcc73654eb2cf59185d8 · sha256:684b182a426e272a… · /containers/cna/metrics/3/cvssV2_0
{"metric":{"baseScore":4.8,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","version":"4.0"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:0c31335aa2a0720b64b109b5a6646fa22e402c401e40fcc73654eb2cf59185d8 · sha256:684b182a426e272a… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

2 source assertions
{"cweId":"CWE-122","description":"Heap-based Buffer Overflow","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:0c31335aa2a0720b64b109b5a6646fa22e402c401e40fcc73654eb2cf59185d8 · sha256:684b182a426e272a… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-119","description":"Memory Corruption","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:0c31335aa2a0720b64b109b5a6646fa22e402c401e40fcc73654eb2cf59185d8 · sha256:684b182a426e272a… · /containers/cna/problemTypes/1/descriptions/0

Source references

6 source assertions
{"tags":["exploit"],"url":"https://github.com/biniamf/pocs/tree/main/pnm2png"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0c31335aa2a0720b64b109b5a6646fa22e402c401e40fcc73654eb2cf59185d8 · sha256:684b182a426e272a… · /containers/cna/references/4
{"tags":["product"],"url":"https://github.com/pnggroup/libpng/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0c31335aa2a0720b64b109b5a6646fa22e402c401e40fcc73654eb2cf59185d8 · sha256:684b182a426e272a… · /containers/cna/references/5
{"tags":["issue-tracking"],"url":"https://github.com/pnggroup/libpng/issues/794"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0c31335aa2a0720b64b109b5a6646fa22e402c401e40fcc73654eb2cf59185d8 · sha256:684b182a426e272a… · /containers/cna/references/3
{"name":"VDB-349658 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"],"url":"https://vuldb.com/?ctiid.349658"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0c31335aa2a0720b64b109b5a6646fa22e402c401e40fcc73654eb2cf59185d8 · sha256:684b182a426e272a… · /containers/cna/references/1
{"name":"VDB-349658 | pnggroup libpng pnm2png pnm2png.c do_pnm2png heap-based overflow","tags":["vdb-entry","technical-description"],"url":"https://vuldb.com/?id.349658"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0c31335aa2a0720b64b109b5a6646fa22e402c401e40fcc73654eb2cf59185d8 · sha256:684b182a426e272a… · /containers/cna/references/0
{"name":"Submit #761996 | libpng pnm2png 1.8.0 Integer Overflow to Buffer Overflow","tags":["third-party-advisory"],"url":"https://vuldb.com/?submit.761996"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0c31335aa2a0720b64b109b5a6646fa22e402c401e40fcc73654eb2cf59185d8 · sha256:684b182a426e272a… · /containers/cna/references/2

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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