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This CVE record has been updated after NVD enrichment efforts were completed. Enrichment data supplied by the NVD may require amendment due to these changes.
Description
Buffer Overflow vulnerability in giflib v.5.2.2 allows a remote attacker to cause a denial of service via the EGifGCBToExtension overwriting an existing Graphic Control Extension block without validating its allocated size.
Metrics
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CVE Modified by redhat-SADP6/30/2026 9:17:32 AM
Action
Type
Old Value
New Value
Added
Reference
https://access.redhat.com/errata/RHSA-2026:33452
Added
Reference
https://access.redhat.com/errata/RHSA-2026:33455
Added
Reference
https://access.redhat.com/errata/RHSA-2026:33456
Changed
Affected
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OR
*cpe:2.3:a:giflib_project:giflib:5.2.2:*:*:*:*:*:*:*
Added
Reference Type
MITRE: https://github.com/zakkanijia/POC/blob/main/giflib/giftool/giflib_giftool_gce_len_heap_oobwrite_disclosure.md Types: Exploit, Third Party Advisory
CVE Modified by CISA-ADP3/18/2026 3:16:03 PM
Action
Type
Old Value
New Value
Added
CVSS V3.1
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
Added
CWE
CWE-787
New CVE Received from MITRE3/18/2026 2:16:26 PM
Action
Type
Old Value
New Value
Added
Description
Buffer Overflow vulnerability in giflib v.5.2.2 allows a remote attacker to cause a denial of service via the EGifGCBToExtension overwriting an existing Graphic Control Extension block without validating its allocated size.
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