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1 vulnerability found for Imager::File::JPEG by TONYC

CVE-2026-13708 (GCVE-0-2026-13708)
Vulnerability from cvelistv5
Published
2026-07-06 12:04
Modified
2026-07-06 18:53
CWE
  • CWE-401 - Missing Release of Memory after Effective Lifetime
Summary
Imager::File::JPEG versions before 1.003 for Perl leak heap memory when reading a JPEG with repeated APP13 markers in i_readjpeg_wiol. i_readjpeg_wiol walks the marker list libjpeg returns and, for each APP13 marker, allocates a new buffer with *iptc_itext = mymalloc(...) and overwrites the previous pointer without freeing it. Only the final payload is later turned into a Perl scalar and freed, so a JPEG with N such markers leaks the first N-1 payloads on every read. In a long-lived process, such as an upload or thumbnailing service, repeated reads accumulate these leaks and exhaust available memory, a denial of service. The same handler ships bundled in the Imager distribution, where versions before 1.032 are affected and the fix ships in 1.032.
Impacted products
Vendor Product Version
TONYC Imager::File::JPEG Version: 0   < 1.003
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Show details on NVD website


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              "attackComplexity": "LOW",
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              "baseSeverity": "HIGH",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
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                "timestamp": "2026-07-06T18:53:48.057324Z",
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          "defaultStatus": "unaffected",
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          "value": "Imager::File::JPEG versions before 1.003 for Perl leak heap memory when reading a JPEG with repeated APP13 markers in i_readjpeg_wiol.\n\ni_readjpeg_wiol walks the marker list libjpeg returns and, for each APP13 marker, allocates a new buffer with *iptc_itext = mymalloc(...) and overwrites the previous pointer without freeing it. Only the final payload is later turned into a Perl scalar and freed, so a JPEG with N such markers leaks the first N-1 payloads on every read.\n\nIn a long-lived process, such as an upload or thumbnailing service, repeated reads accumulate these leaks and exhaust available memory, a denial of service.\n\nThe same handler ships bundled in the Imager distribution, where versions before 1.032 are affected and the fix ships in 1.032."
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          "descriptions": [
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          "tags": [
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          "value": "Upgrade to Imager::File::JPEG 1.003 or later, or to Imager 1.032 or later if the bundled copy is in use."
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      "source": {
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          "lang": "en",
          "time": "2026-07-01T00:00:00.000Z",
          "value": "Version 1.003 released with fix."
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      "title": "Imager::File::JPEG versions before 1.003 for Perl leak heap memory when reading a JPEG with repeated APP13 markers in i_readjpeg_wiol",
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